187
Defines the colors, to display overlapping links

exsurface1.BeginUpdate();
exsurface1.AllowLinkControlPoint = exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeTo | exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeFrom | exontrol.EXSURFACELib.LinkControlPointEnum.exEndControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exStartControlPoint;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Node <b>1",-64,-64);
	var_Elements.Add("Node <b>2",null,null);
	var_Elements.Add("Node <b>3",64,-64);
	var_Elements.Add("Node <b>4",16,-48);
	var_Elements.Add("Node <b>5",-1024,-48);
	var_Elements.Add("Node <b>6",16,512);
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],"L1");
exsurface1.Links.Add(exsurface1.Elements[3],exsurface1.Elements[2],"L2");
exsurface1.Links.Add(exsurface1.Elements[2],exsurface1.Elements[1],"L3");
exsurface1.ShowLinks = exontrol.EXSURFACELib.ShowExtendedLinksEnum.exChangeColorOnOverlap | exontrol.EXSURFACELib.ShowExtendedLinksEnum.exShowCrossLinksRect | exontrol.EXSURFACELib.ShowExtendedLinksEnum.exShowExtendedLinks;
exsurface1.OverlapLinksColors = "red,orange";
exsurface1.LinksColor = Color.FromArgb(128,128,128);
exsurface1.AxisStyle = exontrol.EXSURFACELib.LinesStyleEnum.exNoLines;
exsurface1.ShowGridLines = false;
exsurface1.EndUpdate();

186
The exPreventOverlapMixt flag must always be used alongside either the exPreventOverlap or exChangeColorOnOverlap flag. When used with the exPreventOverlap flag, it ensures that links avoid overlapping with elements or obstacles, enabling their paths to include both rectangular and diagonal lines. When combined with the exChangeColorOnOverlap flag, overlapping links alternately adjust their width in addition to changing colors (sample 2)

exsurface1.BeginUpdate();
exsurface1.AllowLinkControlPoint = exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeTo | exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeFrom | exontrol.EXSURFACELib.LinkControlPointEnum.exEndControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exStartControlPoint;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Node <b>1",-64,-64);
	var_Elements.Add("Node <b>2",null,null);
	var_Elements.Add("Node <b>3",64,-64);
	var_Elements.Add("Node <b>4",16,-48);
	var_Elements.Add("Node <b>5",-1024,-48);
	var_Elements.Add("Node <b>6",16,512);
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],"L1");
exsurface1.Links.Add(exsurface1.Elements[3],exsurface1.Elements[2],"L2");
exsurface1.Links.Add(exsurface1.Elements[2],exsurface1.Elements[1],"L3");
exsurface1.ShowLinks = exontrol.EXSURFACELib.ShowExtendedLinksEnum.exChangeColorOnOverlap | exontrol.EXSURFACELib.ShowExtendedLinksEnum.exPreventOverlapMixt | exontrol.EXSURFACELib.ShowExtendedLinksEnum.exShowCrossLinksRect | exontrol.EXSURFACELib.ShowExtendedLinksEnum.exShowExtendedLinks;
exsurface1.LinksColor = Color.FromArgb(128,128,128);
exsurface1.AxisStyle = exontrol.EXSURFACELib.LinesStyleEnum.exNoLines;
exsurface1.ShowGridLines = false;
exsurface1.EndUpdate();

185
The exChangeColorOnOverlap flag changes the color for links in areas where they overlap with other links, enhancing clarity and distinction between them

exsurface1.BeginUpdate();
exsurface1.AllowLinkControlPoint = exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeTo | exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeFrom | exontrol.EXSURFACELib.LinkControlPointEnum.exEndControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exStartControlPoint;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Node <b>1",-64,-64);
	var_Elements.Add("Node <b>2",null,null);
	var_Elements.Add("Node <b>3",64,-64);
	var_Elements.Add("Node <b>4",16,-48);
	var_Elements.Add("Node <b>5",-1024,-48);
	var_Elements.Add("Node <b>6",16,512);
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],"L1");
exsurface1.Links.Add(exsurface1.Elements[3],exsurface1.Elements[2],"L2");
exsurface1.Links.Add(exsurface1.Elements[2],exsurface1.Elements[1],"L3");
exsurface1.ShowLinks = exontrol.EXSURFACELib.ShowExtendedLinksEnum.exChangeColorOnOverlap | exontrol.EXSURFACELib.ShowExtendedLinksEnum.exShowCrossLinksRect | exontrol.EXSURFACELib.ShowExtendedLinksEnum.exShowExtendedLinks;
exsurface1.LinksColor = Color.FromArgb(128,128,128);
exsurface1.AxisStyle = exontrol.EXSURFACELib.LinesStyleEnum.exNoLines;
exsurface1.ShowGridLines = false;
exsurface1.EndUpdate();

184
The exPreventOverlapMixt flag must always be used alongside either the exPreventOverlap or exChangeColorOnOverlap flag. When used with the exPreventOverlap flag, it ensures that links avoid overlapping with elements or obstacles, enabling their paths to include both rectangular and diagonal lines. When combined with the exChangeColorOnOverlap flag, overlapping links alternately adjust their width in addition to changing colors (sample 1)

exsurface1.BeginUpdate();
exsurface1.AllowLinkControlPoint = exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeTo | exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeFrom | exontrol.EXSURFACELib.LinkControlPointEnum.exEndControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exStartControlPoint;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Node <b>1",-64,-64);
	var_Elements.Add("Node <b>2",null,null);
	var_Elements.Add("Node <b>3",64,-64);
	var_Elements.Add("Node <b>4",16,-48);
	var_Elements.Add("Node <b>5",-1024,-48);
	var_Elements.Add("Node <b>6",16,512);
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],"L1");
exsurface1.Links.Add(exsurface1.Elements[3],exsurface1.Elements[2],"L2");
exsurface1.Links.Add(exsurface1.Elements[2],exsurface1.Elements[1],"L3");
exsurface1.ShowLinks = exontrol.EXSURFACELib.ShowExtendedLinksEnum.exPreventOverlap | exontrol.EXSURFACELib.ShowExtendedLinksEnum.exPreventOverlapMixt | exontrol.EXSURFACELib.ShowExtendedLinksEnum.exShowCrossLinksRect | exontrol.EXSURFACELib.ShowExtendedLinksEnum.exShowExtendedLinks;
exsurface1.LinksColor = Color.FromArgb(128,128,128);
exsurface1.AxisStyle = exontrol.EXSURFACELib.LinesStyleEnum.exNoLines;
exsurface1.ShowGridLines = false;
exsurface1.EndUpdate();

183
The exPreventOverlap flag adjusts the links to prevent them from overlapping the connected objects. The exPreventOverlap option calculates the path between A and B using the A* (A-star) pathfinding algorithm, which can be a time-consuming operation

exsurface1.BeginUpdate();
exsurface1.AllowLinkControlPoint = exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeTo | exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeFrom | exontrol.EXSURFACELib.LinkControlPointEnum.exEndControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exStartControlPoint;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Node <b>1",-64,-64);
	var_Elements.Add("Node <b>2",null,null);
	var_Elements.Add("Node <b>3",64,-64);
	var_Elements.Add("Node <b>4",16,-48);
	var_Elements.Add("Node <b>5",-1024,-48);
	var_Elements.Add("Node <b>6",16,512);
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],"L1");
exsurface1.Links.Add(exsurface1.Elements[3],exsurface1.Elements[2],"L2");
exsurface1.Links.Add(exsurface1.Elements[2],exsurface1.Elements[1],"L3");
exsurface1.ShowLinks = exontrol.EXSURFACELib.ShowExtendedLinksEnum.exPreventOverlap | exontrol.EXSURFACELib.ShowExtendedLinksEnum.exShowCrossLinksRect | exontrol.EXSURFACELib.ShowExtendedLinksEnum.exShowExtendedLinks;
exsurface1.LinksColor = Color.FromArgb(128,128,128);
exsurface1.AxisStyle = exontrol.EXSURFACELib.LinesStyleEnum.exNoLines;
exsurface1.ShowGridLines = false;
exsurface1.EndUpdate();

182
How can I replace or add an icon at runtime

exsurface1.BeginUpdate();
exsurface1.ReplaceIcon("gAAAABgYACEHgUJFEEAAWhUJCEJEEJggEhMCYEXjUbjkJQECj8gj8hAEjkshYEpk8kf8ClsulsvAExmcvf83js5nU7nkCeEcn8boMaocXosCB9Hn09pkzcEuoL/fE+O" +
"kYB0gB9YhIHrddgVcr9aktZADAD8+P8CgIA==",null);
exsurface1.ReplaceIcon("C:\\images\\favicon.ico",0);
exsurface1.AllowLinkControlPoint = exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeTo | exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeFrom | exontrol.EXSURFACELib.LinkControlPointEnum.exEndControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exStartControlPoint;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Node <img>1</img>",-64,-64);
	var_Elements.Add("Node <b>2",null,null);
	var_Elements.Add("Node <b>3",64,-64);
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],"L1");
exsurface1.EndUpdate();

181
exUndo, An Undo operation is performed (CTR + Z), exRedo, A Redo operation is performed (CTR + Y). exUndoRedoUpdate, The Undo/Redo queue is updated
// LayoutEndChanging event - Notifies your application once the control's layout has been changed.
private void exsurface1_LayoutEndChanging(object sender,exontrol.EXSURFACELib.LayoutChangingEnum   Operation)
{
	System.Diagnostics.Debug.Print( "LayoutEndChanging" );
	System.Diagnostics.Debug.Print( exsurface1.FormatABC("value case (default:value;32:`exUndoRedoUpdate`;33:`exUndo`;34:`exRedo`)",Operation,null,null).ToString() );
}
//this.exsurface1.LayoutEndChanging += new exontrol.EXSURFACELib.exg2antt.LayoutEndChangingEventHandler(this.exsurface1_LayoutEndChanging);

// LayoutStartChanging event - Occurs when the control's layout is about to be changed.
private void exsurface1_LayoutStartChanging(object sender,exontrol.EXSURFACELib.LayoutChangingEnum   Operation)
{
	System.Diagnostics.Debug.Print( "LayoutStartChanging" );
	System.Diagnostics.Debug.Print( exsurface1.FormatABC("value case (default:value;32:`exUndoRedoUpdate`;33:`exUndo`;34:`exRedo`)",Operation,null,null).ToString() );
}
//this.exsurface1.LayoutStartChanging += new exontrol.EXSURFACELib.exg2antt.LayoutStartChangingEventHandler(this.exsurface1_LayoutStartChanging);

exsurface1.BeginUpdate();
exsurface1.AllowUndoRedo = true;
exsurface1.AllowLinkControlPoint = exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeTo | exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeFrom | exontrol.EXSURFACELib.LinkControlPointEnum.exEndControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exStartControlPoint;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Node <b>1",-64,-64);
	var_Elements.Add("Node <b>2",null,null);
	var_Elements.Add("Node <b>3",64,-64);
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],"L1");
exsurface1.EndUpdate();
System.Diagnostics.Debug.Print( "Press CTRL+Z to Undo, CTRL+Y to Redo" );

180
exLinkObjects, the user creates an element on the surface. The AllowLinkObjects property specifies the keys combination to allow user to link elements on the surface
// LayoutEndChanging event - Notifies your application once the control's layout has been changed.
private void exsurface1_LayoutEndChanging(object sender,exontrol.EXSURFACELib.LayoutChangingEnum   Operation)
{
	System.Diagnostics.Debug.Print( "LayoutEndChanging" );
	System.Diagnostics.Debug.Print( exsurface1.FormatABC("value = 9 ? `exLinkObjects` : value",Operation,null,null).ToString() );
}
//this.exsurface1.LayoutEndChanging += new exontrol.EXSURFACELib.exg2antt.LayoutEndChangingEventHandler(this.exsurface1_LayoutEndChanging);

// LayoutStartChanging event - Occurs when the control's layout is about to be changed.
private void exsurface1_LayoutStartChanging(object sender,exontrol.EXSURFACELib.LayoutChangingEnum   Operation)
{
	System.Diagnostics.Debug.Print( "LayoutStartChanging" );
	System.Diagnostics.Debug.Print( exsurface1.FormatABC("value = 9 ? `exLinkObjects` : value",Operation,null,null).ToString() );
}
//this.exsurface1.LayoutStartChanging += new exontrol.EXSURFACELib.exg2antt.LayoutStartChangingEventHandler(this.exsurface1_LayoutStartChanging);

exsurface1.BeginUpdate();
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Node <b>1",-64,-64);
	var_Elements.Add("Node <b>2",null,null);
	var_Elements.Add("Node <b>3",64,-64);
exsurface1.EndUpdate();
System.Diagnostics.Debug.Print( "Hold SHIFT, click an element, and drag to another element to create a link between them" );

179
exEditObject, the user edits the element's caption
// Click event - Occurs when the user presses and then releases the left mouse button over the control.
private void exsurface1_Click(object sender)
{
	// ElementFromPoint(-1,-1).Edit(0)
}
//this.exsurface1.Click += new exontrol.EXSURFACELib.exg2antt.ClickEventHandler(this.exsurface1_Click);

// LayoutEndChanging event - Notifies your application once the control's layout has been changed.
private void exsurface1_LayoutEndChanging(object sender,exontrol.EXSURFACELib.LayoutChangingEnum   Operation)
{
	System.Diagnostics.Debug.Print( "LayoutEndChanging" );
	System.Diagnostics.Debug.Print( exsurface1.FormatABC("value = 8 ? `exEditObject` : value",Operation,null,null).ToString() );
}
//this.exsurface1.LayoutEndChanging += new exontrol.EXSURFACELib.exg2antt.LayoutEndChangingEventHandler(this.exsurface1_LayoutEndChanging);

// LayoutStartChanging event - Occurs when the control's layout is about to be changed.
private void exsurface1_LayoutStartChanging(object sender,exontrol.EXSURFACELib.LayoutChangingEnum   Operation)
{
	System.Diagnostics.Debug.Print( "LayoutStartChanging" );
	System.Diagnostics.Debug.Print( exsurface1.FormatABC("value = 8 ? `exEditObject` : value",Operation,null,null).ToString() );
}
//this.exsurface1.LayoutStartChanging += new exontrol.EXSURFACELib.exg2antt.LayoutStartChangingEventHandler(this.exsurface1_LayoutStartChanging);

exsurface1.BeginUpdate();
exsurface1.AllowLinkControlPoint = exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeTo | exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeFrom | exontrol.EXSURFACELib.LinkControlPointEnum.exEndControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exStartControlPoint;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Node <b>1",-64,-64);
	var_Elements.Add("Node <b>2",null,null);
	var_Elements.Add("Node <b>3",64,-64);
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],"L1");
exsurface1.EndUpdate();
System.Diagnostics.Debug.Print( "Click an element to edit its caption" );

178
exCreateObject, the user creates an element on the surface. The AllowCreateObject property specifies the keys combination to allow user to create elements on the surface
// LayoutEndChanging event - Notifies your application once the control's layout has been changed.
private void exsurface1_LayoutEndChanging(object sender,exontrol.EXSURFACELib.LayoutChangingEnum   Operation)
{
	System.Diagnostics.Debug.Print( "LayoutEndChanging" );
	System.Diagnostics.Debug.Print( exsurface1.FormatABC("value = 7 ? `exCreateObject` : value",Operation,null,null).ToString() );
}
//this.exsurface1.LayoutEndChanging += new exontrol.EXSURFACELib.exg2antt.LayoutEndChangingEventHandler(this.exsurface1_LayoutEndChanging);

// LayoutStartChanging event - Occurs when the control's layout is about to be changed.
private void exsurface1_LayoutStartChanging(object sender,exontrol.EXSURFACELib.LayoutChangingEnum   Operation)
{
	System.Diagnostics.Debug.Print( "LayoutStartChanging" );
	System.Diagnostics.Debug.Print( exsurface1.FormatABC("value = 7 ? `exCreateObject` : value",Operation,null,null).ToString() );
}
//this.exsurface1.LayoutStartChanging += new exontrol.EXSURFACELib.exg2antt.LayoutStartChangingEventHandler(this.exsurface1_LayoutStartChanging);

exsurface1.BeginUpdate();
exsurface1.AllowLinkControlPoint = exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeTo | exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeFrom | exontrol.EXSURFACELib.LinkControlPointEnum.exEndControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exStartControlPoint;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Node <b>1",-64,-64);
	var_Elements.Add("Node <b>2",null,null).Selected = true;
	var_Elements.Add("Node <b>3",64,-64);
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],"L1");
exsurface1.EndUpdate();
System.Diagnostics.Debug.Print( "Double-click on the surface and immediately drag to a new position to create an element" );

177
exSelectNothing, the user clicks an empty zone of the surface. The AllowSelectNothing property specifies the keys combination to allow user to select nothing on the surface
// LayoutEndChanging event - Notifies your application once the control's layout has been changed.
private void exsurface1_LayoutEndChanging(object sender,exontrol.EXSURFACELib.LayoutChangingEnum   Operation)
{
	System.Diagnostics.Debug.Print( "LayoutEndChanging" );
	System.Diagnostics.Debug.Print( exsurface1.FormatABC("value = 6 ? `exSelectNothing` : value",Operation,null,null).ToString() );
}
//this.exsurface1.LayoutEndChanging += new exontrol.EXSURFACELib.exg2antt.LayoutEndChangingEventHandler(this.exsurface1_LayoutEndChanging);

// LayoutStartChanging event - Occurs when the control's layout is about to be changed.
private void exsurface1_LayoutStartChanging(object sender,exontrol.EXSURFACELib.LayoutChangingEnum   Operation)
{
	System.Diagnostics.Debug.Print( "LayoutStartChanging" );
	System.Diagnostics.Debug.Print( exsurface1.FormatABC("value = 6 ? `exSelectNothing` : value",Operation,null,null).ToString() );
}
//this.exsurface1.LayoutStartChanging += new exontrol.EXSURFACELib.exg2antt.LayoutStartChangingEventHandler(this.exsurface1_LayoutStartChanging);

exsurface1.BeginUpdate();
exsurface1.AllowSelectNothing = true;
exsurface1.AllowLinkControlPoint = exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeTo | exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeFrom | exontrol.EXSURFACELib.LinkControlPointEnum.exEndControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exStartControlPoint;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Node <b>1",-64,-64);
	var_Elements.Add("Node <b>2",null,null).Selected = true;
	var_Elements.Add("Node <b>3",64,-64);
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],"L1");
exsurface1.EndUpdate();
System.Diagnostics.Debug.Print( "Select an element, and then click outside to select nothing" );

176
exSelectObject, the user clicks the object to get it selected. The AllowSelectObject property specifies the keys combination to allow user to select the object
// LayoutEndChanging event - Notifies your application once the control's layout has been changed.
private void exsurface1_LayoutEndChanging(object sender,exontrol.EXSURFACELib.LayoutChangingEnum   Operation)
{
	System.Diagnostics.Debug.Print( "LayoutEndChanging" );
	System.Diagnostics.Debug.Print( exsurface1.FormatABC("value = 5 ? `exSelectObject` : value",Operation,null,null).ToString() );
}
//this.exsurface1.LayoutEndChanging += new exontrol.EXSURFACELib.exg2antt.LayoutEndChangingEventHandler(this.exsurface1_LayoutEndChanging);

// LayoutStartChanging event - Occurs when the control's layout is about to be changed.
private void exsurface1_LayoutStartChanging(object sender,exontrol.EXSURFACELib.LayoutChangingEnum   Operation)
{
	System.Diagnostics.Debug.Print( "LayoutStartChanging" );
	System.Diagnostics.Debug.Print( exsurface1.FormatABC("value = 5 ? `exSelectObject` : value",Operation,null,null).ToString() );
}
//this.exsurface1.LayoutStartChanging += new exontrol.EXSURFACELib.exg2antt.LayoutStartChangingEventHandler(this.exsurface1_LayoutStartChanging);

exsurface1.BeginUpdate();
exsurface1.AllowLinkControlPoint = exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeTo | exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeFrom | exontrol.EXSURFACELib.LinkControlPointEnum.exEndControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exStartControlPoint;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Node <b>1",-64,-64);
	var_Elements.Add("Node <b>2",null,null);
	var_Elements.Add("Node <b>3",64,-64);
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],"L1");
exsurface1.EndUpdate();
System.Diagnostics.Debug.Print( "Hold ALT and click, then drag to select elements within the drawn rectangle. Click an element to select it. CTRL + CLick to uns" +
"elect it" );

175
exMoveObject, the user moves the object. The AllowMoveObject property specifies the keys combination to allow user to move the object
// LayoutEndChanging event - Notifies your application once the control's layout has been changed.
private void exsurface1_LayoutEndChanging(object sender,exontrol.EXSURFACELib.LayoutChangingEnum   Operation)
{
	System.Diagnostics.Debug.Print( "LayoutEndChanging" );
	System.Diagnostics.Debug.Print( exsurface1.FormatABC("value = 4 ? `exMoveObject` : value",Operation,null,null).ToString() );
}
//this.exsurface1.LayoutEndChanging += new exontrol.EXSURFACELib.exg2antt.LayoutEndChangingEventHandler(this.exsurface1_LayoutEndChanging);

// LayoutStartChanging event - Occurs when the control's layout is about to be changed.
private void exsurface1_LayoutStartChanging(object sender,exontrol.EXSURFACELib.LayoutChangingEnum   Operation)
{
	System.Diagnostics.Debug.Print( "LayoutStartChanging" );
	System.Diagnostics.Debug.Print( exsurface1.FormatABC("value = 4 ? `exMoveObject` : value",Operation,null,null).ToString() );
}
//this.exsurface1.LayoutStartChanging += new exontrol.EXSURFACELib.exg2antt.LayoutStartChangingEventHandler(this.exsurface1_LayoutStartChanging);

exsurface1.BeginUpdate();
exsurface1.AllowLinkControlPoint = exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeTo | exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeFrom | exontrol.EXSURFACELib.LinkControlPointEnum.exEndControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exStartControlPoint;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Node <b>1",-64,-64);
	var_Elements.Add("Node <b>2",null,null);
	var_Elements.Add("Node <b>3",64,-64);
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],"L1");
exsurface1.EndUpdate();
System.Diagnostics.Debug.Print( "Move an element" );

174
exResizeObject, the user resizes the object. The AllowResizeObject property specifies the keys combination to allow user to resize the object
// LayoutEndChanging event - Notifies your application once the control's layout has been changed.
private void exsurface1_LayoutEndChanging(object sender,exontrol.EXSURFACELib.LayoutChangingEnum   Operation)
{
	System.Diagnostics.Debug.Print( "LayoutEndChanging" );
	System.Diagnostics.Debug.Print( exsurface1.FormatABC("value = 3 ? `exResizeObject` : value",Operation,null,null).ToString() );
}
//this.exsurface1.LayoutEndChanging += new exontrol.EXSURFACELib.exg2antt.LayoutEndChangingEventHandler(this.exsurface1_LayoutEndChanging);

// LayoutStartChanging event - Occurs when the control's layout is about to be changed.
private void exsurface1_LayoutStartChanging(object sender,exontrol.EXSURFACELib.LayoutChangingEnum   Operation)
{
	System.Diagnostics.Debug.Print( "LayoutStartChanging" );
	System.Diagnostics.Debug.Print( exsurface1.FormatABC("value = 3 ? `exResizeObject` : value",Operation,null,null).ToString() );
}
//this.exsurface1.LayoutStartChanging += new exontrol.EXSURFACELib.exg2antt.LayoutStartChangingEventHandler(this.exsurface1_LayoutStartChanging);

exsurface1.BeginUpdate();
exsurface1.AllowLinkControlPoint = exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeTo | exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeFrom | exontrol.EXSURFACELib.LinkControlPointEnum.exEndControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exStartControlPoint;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Node <b>1",-64,-64).AutoSize = false;
	var_Elements.Add("Node <b>2",null,null).AutoSize = false;
	var_Elements.Add("Node <b>3",64,-64).AutoSize = false;
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],"L1");
exsurface1.EndUpdate();
System.Diagnostics.Debug.Print( "Resize an element" );

173
exSurfaceHome, the user clicks the Home button on the control's toolbar, so the surface is restored to original position. The Home method has the same effect
// LayoutEndChanging event - Notifies your application once the control's layout has been changed.
private void exsurface1_LayoutEndChanging(object sender,exontrol.EXSURFACELib.LayoutChangingEnum   Operation)
{
	System.Diagnostics.Debug.Print( "LayoutEndChanging" );
	System.Diagnostics.Debug.Print( exsurface1.FormatABC("value = 2 ? `exSurfaceHome` : value",Operation,null,null).ToString() );
}
//this.exsurface1.LayoutEndChanging += new exontrol.EXSURFACELib.exg2antt.LayoutEndChangingEventHandler(this.exsurface1_LayoutEndChanging);

// LayoutStartChanging event - Occurs when the control's layout is about to be changed.
private void exsurface1_LayoutStartChanging(object sender,exontrol.EXSURFACELib.LayoutChangingEnum   Operation)
{
	System.Diagnostics.Debug.Print( "LayoutStartChanging" );
	System.Diagnostics.Debug.Print( exsurface1.FormatABC("value = 2 ? `exSurfaceHome` : value",Operation,null,null).ToString() );
}
//this.exsurface1.LayoutStartChanging += new exontrol.EXSURFACELib.exg2antt.LayoutStartChangingEventHandler(this.exsurface1_LayoutStartChanging);

exsurface1.BeginUpdate();
exsurface1.AllowLinkControlPoint = exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeTo | exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeFrom | exontrol.EXSURFACELib.LinkControlPointEnum.exEndControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exStartControlPoint;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Node <b>1",-64,-64);
	var_Elements.Add("Node <b>2",null,null);
	var_Elements.Add("Node <b>3",64,-64);
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],"L1");
exsurface1.EndUpdate();
System.Diagnostics.Debug.Print( "Click the Home button" );

172
exSurfaceZoom, the user magnifies or shrinks the surface. The AllowZoomSurface property specifies the keys combination to allow user to zoom the surface
// LayoutEndChanging event - Notifies your application once the control's layout has been changed.
private void exsurface1_LayoutEndChanging(object sender,exontrol.EXSURFACELib.LayoutChangingEnum   Operation)
{
	System.Diagnostics.Debug.Print( "LayoutEndChanging" );
	System.Diagnostics.Debug.Print( exsurface1.FormatABC("value = 1 ? `exSurfaceZoom` : value",Operation,null,null).ToString() );
}
//this.exsurface1.LayoutEndChanging += new exontrol.EXSURFACELib.exg2antt.LayoutEndChangingEventHandler(this.exsurface1_LayoutEndChanging);

// LayoutStartChanging event - Occurs when the control's layout is about to be changed.
private void exsurface1_LayoutStartChanging(object sender,exontrol.EXSURFACELib.LayoutChangingEnum   Operation)
{
	System.Diagnostics.Debug.Print( "LayoutStartChanging" );
	System.Diagnostics.Debug.Print( exsurface1.FormatABC("value = 1 ? `exSurfaceZoom` : value",Operation,null,null).ToString() );
}
//this.exsurface1.LayoutStartChanging += new exontrol.EXSURFACELib.exg2antt.LayoutStartChangingEventHandler(this.exsurface1_LayoutStartChanging);

exsurface1.BeginUpdate();
exsurface1.AllowLinkControlPoint = exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeTo | exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeFrom | exontrol.EXSURFACELib.LinkControlPointEnum.exEndControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exStartControlPoint;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Node <b>1",-64,-64);
	var_Elements.Add("Node <b>2",null,null);
	var_Elements.Add("Node <b>3",64,-64);
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],"L1");
exsurface1.EndUpdate();
System.Diagnostics.Debug.Print( "Click and drag the surface to reposition it" );

171
exSurfaceMove, the user scrolls or moves the surface. The AllowMoveSurface property specifies the keys combination to allow user to move / scroll the surface
// LayoutEndChanging event - Notifies your application once the control's layout has been changed.
private void exsurface1_LayoutEndChanging(object sender,exontrol.EXSURFACELib.LayoutChangingEnum   Operation)
{
	System.Diagnostics.Debug.Print( "LayoutEndChanging" );
	System.Diagnostics.Debug.Print( exsurface1.FormatABC("value = 0 ? `exSurfaceMove` : value",Operation,null,null).ToString() );
}
//this.exsurface1.LayoutEndChanging += new exontrol.EXSURFACELib.exg2antt.LayoutEndChangingEventHandler(this.exsurface1_LayoutEndChanging);

// LayoutStartChanging event - Occurs when the control's layout is about to be changed.
private void exsurface1_LayoutStartChanging(object sender,exontrol.EXSURFACELib.LayoutChangingEnum   Operation)
{
	System.Diagnostics.Debug.Print( "LayoutStartChanging" );
	System.Diagnostics.Debug.Print( exsurface1.FormatABC("value = 0 ? `exSurfaceMove` : value",Operation,null,null).ToString() );
}
//this.exsurface1.LayoutStartChanging += new exontrol.EXSURFACELib.exg2antt.LayoutStartChangingEventHandler(this.exsurface1_LayoutStartChanging);

exsurface1.BeginUpdate();
exsurface1.AllowLinkControlPoint = exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeTo | exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeFrom | exontrol.EXSURFACELib.LinkControlPointEnum.exEndControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exStartControlPoint;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Node <b>1",-64,-64);
	var_Elements.Add("Node <b>2",null,null);
	var_Elements.Add("Node <b>3",64,-64);
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],"L1");
exsurface1.EndUpdate();
System.Diagnostics.Debug.Print( "Click and drag the surface to reposition it" );

170
FormatABC method formats the A,B,C values based on the giving expression and returns the result

System.Diagnostics.Debug.Print( exsurface1.FormatABC("value format ``",1000,null,null).ToString() );

169
FreezeEvents(Freeze) method prevents firing any event. For instance, FreezeEvents(True) freezes the control's events, no no event is fired, until the FreezeEvents(False) is called
// Event event - Notifies the application once the control fires an event.
private void exsurface1_Event(object sender,int   EventID)
{
	System.Diagnostics.Debug.Print( exsurface1.get_EventParam(-2).ToString() );
}
//this.exsurface1.Event += new exontrol.EXSURFACELib.exg2antt.EventEventHandler(this.exsurface1_Event);

exsurface1.FreezeEvents(true);
System.Diagnostics.Debug.Print( "No event is fired after FreezeEvents(True) call" );
exsurface1.BeginUpdate();
exsurface1.AllowLinkControlPoint = exontrol.EXSURFACELib.LinkControlPointEnum.exEndControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exStartControlPoint;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Node <b>1",-64,-64);
	var_Elements.Add("Node <b>2",null,null);
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],"L1");
exsurface1.EndUpdate();

168
The exAllowChangeFrom(0x20)/exAllowChangeTo(0x40) flag of LinkControlPointEnum type allows the user to adjust the link's from/to element by dragging and dropping the start control point (requires the exStartControlPoint/exEndControlPoint flag)
// LayoutEndChanging event - Notifies your application once the control's layout has been changed.
private void exsurface1_LayoutEndChanging(object sender,exontrol.EXSURFACELib.LayoutChangingEnum   Operation)
{
	System.Diagnostics.Debug.Print( "LayoutEndChanging" );
	System.Diagnostics.Debug.Print( Operation.ToString() );
	System.Diagnostics.Debug.Print( exsurface1.FocusLink.ID.ToString() );
}
//this.exsurface1.LayoutEndChanging += new exontrol.EXSURFACELib.exg2antt.LayoutEndChangingEventHandler(this.exsurface1_LayoutEndChanging);

// LayoutStartChanging event - Occurs when the control's layout is about to be changed.
private void exsurface1_LayoutStartChanging(object sender,exontrol.EXSURFACELib.LayoutChangingEnum   Operation)
{
	System.Diagnostics.Debug.Print( "LayoutStartChanging" );
	System.Diagnostics.Debug.Print( Operation.ToString() );
	System.Diagnostics.Debug.Print( exsurface1.FocusLink.ID.ToString() );
}
//this.exsurface1.LayoutStartChanging += new exontrol.EXSURFACELib.exg2antt.LayoutStartChangingEventHandler(this.exsurface1_LayoutStartChanging);

exsurface1.BeginUpdate();
exsurface1.AllowLinkControlPoint = exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeTo | exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeFrom | exontrol.EXSURFACELib.LinkControlPointEnum.exEndControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exStartControlPoint;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Node <b>1",-64,-64);
	var_Elements.Add("Node <b>2",null,null);
	var_Elements.Add("Node <b>3",64,-64);
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],"L1");
exsurface1.FocusLink = "L1";
exsurface1.EndUpdate();

167
The LayoutStartChanging(exFocusLink)/LayoutEndChanging(exFocusLink) event notifies your application when the user focuses on a new link
// LayoutEndChanging event - Notifies your application once the control's layout has been changed.
private void exsurface1_LayoutEndChanging(object sender,exontrol.EXSURFACELib.LayoutChangingEnum   Operation)
{
	System.Diagnostics.Debug.Print( "LayoutEndChanging" );
	System.Diagnostics.Debug.Print( Operation.ToString() );
	System.Diagnostics.Debug.Print( exsurface1.FocusLink.ToString() );
}
//this.exsurface1.LayoutEndChanging += new exontrol.EXSURFACELib.exg2antt.LayoutEndChangingEventHandler(this.exsurface1_LayoutEndChanging);

// LayoutStartChanging event - Occurs when the control's layout is about to be changed.
private void exsurface1_LayoutStartChanging(object sender,exontrol.EXSURFACELib.LayoutChangingEnum   Operation)
{
	System.Diagnostics.Debug.Print( "LayoutStartChanging" );
	System.Diagnostics.Debug.Print( Operation.ToString() );
	System.Diagnostics.Debug.Print( exsurface1.FocusLink.ToString() );
}
//this.exsurface1.LayoutStartChanging += new exontrol.EXSURFACELib.exg2antt.LayoutStartChangingEventHandler(this.exsurface1_LayoutStartChanging);

exsurface1.BeginUpdate();
exsurface1.AllowLinkControlPoint = exontrol.EXSURFACELib.LinkControlPointEnum.exEndControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exStartControlPoint;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Node <b>1",-64,-64);
	var_Elements.Add("Node <b>2",null,null);
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],"L1");
exsurface1.EndUpdate();

166
Focus a link

// LayoutEndChanging event - Notifies your application once the control's layout has been changed.
private void exsurface1_LayoutEndChanging(object sender,exontrol.EXSURFACELib.LayoutChangingEnum   Operation)
{
	System.Diagnostics.Debug.Print( "LayoutEndChanging" );
	System.Diagnostics.Debug.Print( Operation.ToString() );
}
//this.exsurface1.LayoutEndChanging += new exontrol.EXSURFACELib.exg2antt.LayoutEndChangingEventHandler(this.exsurface1_LayoutEndChanging);

// LayoutStartChanging event - Occurs when the control's layout is about to be changed.
private void exsurface1_LayoutStartChanging(object sender,exontrol.EXSURFACELib.LayoutChangingEnum   Operation)
{
	System.Diagnostics.Debug.Print( "LayoutStartChanging" );
	System.Diagnostics.Debug.Print( Operation.ToString() );
}
//this.exsurface1.LayoutStartChanging += new exontrol.EXSURFACELib.exg2antt.LayoutStartChangingEventHandler(this.exsurface1_LayoutStartChanging);

exsurface1.BeginUpdate();
exsurface1.AllowLinkControlPoint = exontrol.EXSURFACELib.LinkControlPointEnum.exEndControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exStartControlPoint;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Node <b>1",-64,-64);
	var_Elements.Add("Node <b>2",null,null);
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],"L1");
exsurface1.FocusLink = "L1";
exsurface1.EndUpdate();

165
The caption is displayed on the back, so the picture overrides it. How can I place the caption on the foreground

exsurface1.BeginUpdate();
exsurface1.DrawPartsOrder = "extracaption,extrapicture,picture,check,caption,client";
exsurface1.set_HTMLPicture("pic1","c:\\exontrol\\images\\sun.png");
exontrol.EXSURFACELib.Element var_Element = exsurface1.Elements.Add("<b>Element",null,null);
	var_Element.PicturesAlign = exontrol.EXSURFACELib.ContentAlignmentEnum.exMiddleCenter;
	var_Element.CaptionAlign = exontrol.EXSURFACELib.ContentAlignmentEnum.exMiddleCenter;
	var_Element.Pictures = "pic1";
exsurface1.EndUpdate();

164
Draws a frame arround the link's arrow

exsurface1.BeginUpdate();
exsurface1.AllowLinkControlPoint = (exontrol.EXSURFACELib.LinkControlPointEnum)0xffffff80 | exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeTo | exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeFrom | exontrol.EXSURFACELib.LinkControlPointEnum.exOrthoArrange | exontrol.EXSURFACELib.LinkControlPointEnum.exMiddleControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exEndControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exStartControlPoint;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Element <sha ;;0>A",null,null);
	var_Elements.Add("Element <sha ;;0>B",164,64);
	var_Elements.Add("Element <sha ;;0>B",0,132);
exontrol.EXSURFACELib.Links var_Links = exsurface1.Links;
	var_Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null).CustomPath = "0.5,0.25,0.5,.75";
	var_Links.Add(exsurface1.Elements[3],exsurface1.Elements[2],null).CustomPath = "0.5,0.25,0.5,.75";
	exontrol.EXSURFACELib.Link var_Link = var_Links.Add(exsurface1.Elements[3],exsurface1.Elements[1],null);
		var_Link.ShowLinkType = exontrol.EXSURFACELib.ShowLinkTypeEnum.exLinkStraight | exontrol.EXSURFACELib.ShowLinkTypeEnum.exLinkDirect;
		var_Link.StartPos = exontrol.EXSURFACELib.AlignmentEnum.LeftAlignment;
		var_Link.ArrowSize = 8;
		var_Link.ArrowColor = Color.FromArgb(255,255,255);
		var_Link.ArrowFrameColor = Color.FromArgb(0,0,0);
exsurface1.FitToClient();
exsurface1.EndUpdate();

163
Draws a frame arround the arrow for all links

exsurface1.BeginUpdate();
exsurface1.AllowLinkControlPoint = (exontrol.EXSURFACELib.LinkControlPointEnum)0xffffff80 | exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeTo | exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeFrom | exontrol.EXSURFACELib.LinkControlPointEnum.exOrthoArrange | exontrol.EXSURFACELib.LinkControlPointEnum.exMiddleControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exEndControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exStartControlPoint;
exsurface1.LinksArrowSize = 8;
exsurface1.LinksArrowColor = Color.FromArgb(255,255,255);
exsurface1.LinksArrowFrameColor = Color.FromArgb(0,0,0);
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Element <sha ;;0>A",null,null);
	var_Elements.Add("Element <sha ;;0>B",164,64);
	var_Elements.Add("Element <sha ;;0>B",0,132);
exontrol.EXSURFACELib.Links var_Links = exsurface1.Links;
	var_Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null).CustomPath = "0.5,0.25,0.5,.75";
	var_Links.Add(exsurface1.Elements[3],exsurface1.Elements[2],null).CustomPath = "0.5,0.25,0.5,.75";
	exontrol.EXSURFACELib.Link var_Link = var_Links.Add(exsurface1.Elements[3],exsurface1.Elements[1],null);
		var_Link.ShowLinkType = exontrol.EXSURFACELib.ShowLinkTypeEnum.exLinkStraight | exontrol.EXSURFACELib.ShowLinkTypeEnum.exLinkDirect;
		var_Link.StartPos = exontrol.EXSURFACELib.AlignmentEnum.LeftAlignment;
exsurface1.FitToClient();
exsurface1.EndUpdate();

162
Change the size to display the arrow of the link

exsurface1.BeginUpdate();
exsurface1.AllowLinkControlPoint = (exontrol.EXSURFACELib.LinkControlPointEnum)0xffffff80 | exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeTo | exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeFrom | exontrol.EXSURFACELib.LinkControlPointEnum.exOrthoArrange | exontrol.EXSURFACELib.LinkControlPointEnum.exMiddleControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exEndControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exStartControlPoint;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Element <sha ;;0>A",null,null);
	var_Elements.Add("Element <sha ;;0>B",164,64);
	var_Elements.Add("Element <sha ;;0>B",0,132);
exontrol.EXSURFACELib.Links var_Links = exsurface1.Links;
	var_Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null).CustomPath = "0.5,0.25,0.5,.75";
	var_Links.Add(exsurface1.Elements[3],exsurface1.Elements[2],null).CustomPath = "0.5,0.25,0.5,.75";
	exontrol.EXSURFACELib.Link var_Link = var_Links.Add(exsurface1.Elements[3],exsurface1.Elements[1],null);
		var_Link.ShowLinkType = exontrol.EXSURFACELib.ShowLinkTypeEnum.exLinkStraight | exontrol.EXSURFACELib.ShowLinkTypeEnum.exLinkDirect;
		var_Link.StartPos = exontrol.EXSURFACELib.AlignmentEnum.LeftAlignment;
		var_Link.ArrowSize = 8;
exsurface1.FitToClient();
exsurface1.EndUpdate();

161
Change the size to display the arrows for all links

exsurface1.BeginUpdate();
exsurface1.AllowLinkControlPoint = (exontrol.EXSURFACELib.LinkControlPointEnum)0xffffff80 | exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeTo | exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeFrom | exontrol.EXSURFACELib.LinkControlPointEnum.exOrthoArrange | exontrol.EXSURFACELib.LinkControlPointEnum.exMiddleControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exEndControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exStartControlPoint;
exsurface1.LinksArrowSize = 8;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Element <sha ;;0>A",null,null);
	var_Elements.Add("Element <sha ;;0>B",164,64);
	var_Elements.Add("Element <sha ;;0>B",0,132);
exontrol.EXSURFACELib.Links var_Links = exsurface1.Links;
	var_Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null).CustomPath = "0.5,0.25,0.5,.75";
	var_Links.Add(exsurface1.Elements[3],exsurface1.Elements[2],null).CustomPath = "0.5,0.25,0.5,.75";
	exontrol.EXSURFACELib.Link var_Link = var_Links.Add(exsurface1.Elements[3],exsurface1.Elements[1],null);
		var_Link.ShowLinkType = exontrol.EXSURFACELib.ShowLinkTypeEnum.exLinkStraight | exontrol.EXSURFACELib.ShowLinkTypeEnum.exLinkDirect;
		var_Link.StartPos = exontrol.EXSURFACELib.AlignmentEnum.LeftAlignment;
exsurface1.FitToClient();
exsurface1.EndUpdate();

160
Extends the caption on the element's width
exontrol.EXSURFACELib.Element var_Element = exsurface1.Elements.Add("<solidline> <c><b>Bank Account</b></solidline><br>+ owner: String <r><a 1;e64=gA8ABzABvABsABpABkg8JABuABlAAgAA4AAwisXjMYH0TAECM" +
"YAjsCMwAM4AkMGhEGOUei0Yl8bkQAOAAlsGmsSlp0h0SgkCF8DgsNhUMhEKiESkYAoMlk8phssmcCltLMNTAFOlFDlc2l0amMxjomAAjAA5AA2tMaHcfplZk1blVDqtu" +
"oNXjoAAEBA=>▲</a><br><solidline>+ balance: Currency = 0</solidline><br>+ deposit(amount: Currency)<r><a 2;e64=gA8ABjAA+AEC" +
"MwAM8DABvABshoAOQAEAAHAAGEWjEajMGNoAMoAOgANERMgAOcHAAvAEJhcEh0Qh0Tg0CmkqMMFlUuhkxiMTisXjNCjk6EwAEYAHIAG1MjY7lUsnkwh8/nUClk5gwAAE" +
"BA==>▲</a><br>+ withdraw(amount: Currency)",null,null);
	var_Element.ID = "Account";
	var_Element.X = -128;
	var_Element.CaptionSingleLine = exontrol.EXSURFACELib.CaptionSingleLineEnum.exCaptionBreakWrap;
	var_Element.AutoSize = false;
	var_Element.Width = 256;
	var_Element.Height = var_Element.AutoHeight;
	var_Element.CaptionAlign = (exontrol.EXSURFACELib.ContentAlignmentEnum)0x4;

159
Gets the width/height of the element to fit its content ( as if the AutoSize property is True )

// AnchorClick event - Occurs when an anchor element is clicked.
private void exsurface1_AnchorClick(object sender,string   AnchorID,string   Options)
{
	exontrol.EXSURFACELib.Element var_Element = exsurface1.Elements["Account"];
		var_Element.Height = var_Element.AutoHeight;
}
//this.exsurface1.AnchorClick += new exontrol.EXSURFACELib.exg2antt.AnchorClickEventHandler(this.exsurface1_AnchorClick);

exontrol.EXSURFACELib.Element var_Element = exsurface1.Elements.Add("<solidline> <c><b>Bank Account</b></solidline><br>+ owner: String <r><a 1;e64=gA8ABzABvABsABpABkg8JABuABlAAgAA4AAwisXjMYH0TAECM" +
"YAjsCMwAM4AkMGhEGOUei0Yl8bkQAOAAlsGmsSlp0h0SgkCF8DgsNhUMhEKiESkYAoMlk8phssmcCltLMNTAFOlFDlc2l0amMxjomAAjAA5AA2tMaHcfplZk1blVDqtu" +
"oNXjoAAEBA=>▲</a><br><solidline>+ balance: Currency = 0</solidline><br>+ deposit(amount: Currency)<r><a 2;e64=gA8ABjAA+AEC" +
"MwAM8DABvABshoAOQAEAAHAAGEWjEajMGNoAMoAOgANERMgAOcHAAvAEJhcEh0Qh0Tg0CmkqMMFlUuhkxiMTisXjNCjk6EwAEYAHIAG1MjY7lUsnkwh8/nUClk5gwAAE" +
"BA==>▲</a><br>+ withdraw(amount: Currency)",null,null);
	var_Element.ID = "Account";
	var_Element.X = -128;
	var_Element.CaptionSingleLine = exontrol.EXSURFACELib.CaptionSingleLineEnum.exCaptionBreakWrap;
	var_Element.AutoSize = false;
	var_Element.Width = 256;
	var_Element.Height = var_Element.AutoHeight;
	var_Element.CaptionAlign = (exontrol.EXSURFACELib.ContentAlignmentEnum)0x4;

158
Expandable-caption

// AnchorClick event - Occurs when an anchor element is clicked.
private void exsurface1_AnchorClick(object sender,string   AnchorID,string   Options)
{
	System.Diagnostics.Debug.Print( AnchorID.ToString() );
}
//this.exsurface1.AnchorClick += new exontrol.EXSURFACELib.exg2antt.AnchorClickEventHandler(this.exsurface1_AnchorClick);

exontrol.EXSURFACELib.Element var_Element = exsurface1.Elements.Add("<solidline> <c><b>Bank Account</b></solidline><br>+ owner: String <r><a 1;e64=gA8ABzABvABsABpABkg8JABuABlAAgAA4AAwisXjMYH0TAECM" +
"YAjsCMwAM4AkMGhEGOUei0Yl8bkQAOAAlsGmsSlp0h0SgkCF8DgsNhUMhEKiESkYAoMlk8phssmcCltLMNTAFOlFDlc2l0amMxjomAAjAA5AA2tMaHcfplZk1blVDqtu" +
"oNXjoAAEBA=>▲</a><br><solidline>+ balance: Currency = 0</solidline><br>+ deposit(amount: Currency)<r><a 2;e64=gA8ABjAA+AEC" +
"MwAM8DABvABshoAOQAEAAHAAGEWjEajMGNoAMoAOgANERMgAOcHAAvAEJhcEh0Qh0Tg0CmkqMMFlUuhkxiMTisXjNCjk6EwAEYAHIAG1MjY7lUsnkwh8/nUClk5gwAAE" +
"BA==>▲</a><br>+ withdraw(amount: Currency)",null,null);
	var_Element.ID = "Account";
	var_Element.X = -256;
	var_Element.Y = -164;
	var_Element.CaptionSingleLine = exontrol.EXSURFACELib.CaptionSingleLineEnum.exCaptionBreakWrap;
	var_Element.CaptionAlign = (exontrol.EXSURFACELib.ContentAlignmentEnum)0x4;
exontrol.EXSURFACELib.Element var_Element1 = exsurface1.Elements.Add("<solidline> <c><b>Person</b></solidline><br>+ name: String <r><a 1;e64=gA8ABzABvABsABpABkg8JABuABlAAgAA4AAwisXjMYH0TAECMYAjsCMw" +
"AM4AkMGhEGOUei0Yl8bkQAOAAlsGmsSlp0h0SgkCF8DgsNhUMhEKiESkYAoMlk8phssmcCltLMNTAFOlFDlc2l0amMxjomAAjAA5AA2tMaHcfplZk1blVDqtuoNXjoAA" +
"EBA=>▲</a><br><solidline># birth: Date</solidline><br>+ getCurrentAge(): int<r><a 2;e64=gA8ABjAA+AECMwAM8DABvABshoAOQAEAAH" +
"AAGEWjEajMGNoAMoAOgANERMgAOcHAAvAEJhcEh0Qh0Tg0CmkqMMFlUuhkxiMTisXjNCjk6EwAEYAHIAG1MjY7lUsnkwh8/nUClk5gwAAEBA==>▲</a>",null,null);
	var_Element1.ID = "Person";
	var_Element1.Y = -164;
	var_Element1.CaptionSingleLine = exontrol.EXSURFACELib.CaptionSingleLineEnum.exCaptionBreakWrap;
exontrol.EXSURFACELib.Element var_Element2 = exsurface1.Elements.Add("<solidline> <c><b>Student</b></solidline><br><solidline>+ classes: List<Course> <r><a 1;e64=gA8ABzABvABsABpABkg8JABuABlAA+AAgAE" +
"CMcTi4AMwAM4AjMGhEGOUVAA4AAwk8plcqihwAElg0wiUlOkOiUEgQvgcFhsKhkIhUQiUUnccj0gn0jmMagUlowAMNOpEfkMNkkmlEqrctjQmAAjAA5AA2sssHcbnkdq" +
"1Ln1QtVSjQAAEBA==>▲</a></solidline><br>- attend(class: Course)<r><a 2;e64=gA8ABjAA+AECMwAM8DABvABshoAOQAEAAHAAGEWjEajMGNoA" +
"MoAOgANERMgAOcHAAvAEJhcEh0Qh0Tg0CmkqMMFlUuhkxiMTisXjNCjk6EwAEYAHIAG1MjY7lUsnkwh8/nUClk5gwAAEBA==>▲</a><br>- sleep()",null,null);
	var_Element2.ID = "Student";
	var_Element2.Y = -64;
	var_Element2.CaptionSingleLine = exontrol.EXSURFACELib.CaptionSingleLineEnum.exCaptionBreakWrap;
exontrol.EXSURFACELib.Link var_Link = exsurface1.Links.Add(exsurface1.Elements["Account"],exsurface1.Elements["Student"],null);
	var_Link.Caption = "<fgcolor A0A0A0><solidline 808080> <c><b>Link</b></solidline><br># count: number <r><a ;exp=12992>➤</a>";

157
Expandable-caption

exontrol.EXSURFACELib.Element var_Element = exsurface1.Elements.Add("<solidline><b>Header</b></solidline><br>Line1<r><a ;exp=show lines>+</a><br>Line2<br>Line3",null,null);
	var_Element.CaptionSingleLine = exontrol.EXSURFACELib.CaptionSingleLineEnum.exCaptionBreakWrap;

156
Fullfit the caption on the element's width

exontrol.EXSURFACELib.Element var_Element = exsurface1.Elements.Add("<solidline><b>Bank Account</b></solidline><br>+ owner: String <r><a 1;properties>+</a><br><solidline>+ balance: Currency = 0</s" +
"olidline><br>+ deposit(amount: Currency)<r><a 2;methods>+</a><br>+ withdraw(amount: Currency)",null,null);
	var_Element.CaptionSingleLine = exontrol.EXSURFACELib.CaptionSingleLineEnum.exCaptionBreakWrap;
	var_Element.BackColor = Color.FromArgb(248,248,248);
	var_Element.AutoSize = false;
	var_Element.Width = 194;
	var_Element.Height = 76;
	var_Element.CaptionAlign = (exontrol.EXSURFACELib.ContentAlignmentEnum)0x4;

155
Wrap the caption by <br> or "\r\n" sequence only

exontrol.EXSURFACELib.Element var_Element = exsurface1.Elements.Add("<solidline><b>Bank Account</b></solidline><br>+ owner: String <r><a 1;properties>+</a><br><solidline>+ balance: Currency = 0</s" +
"olidline><br>+ deposit(amount: Currency)<r><a 2;methods>+</a><br>+ withdraw(amount: Currency)",null,null);
	var_Element.CaptionSingleLine = exontrol.EXSURFACELib.CaptionSingleLineEnum.exCaptionBreakWrap;
	var_Element.BackColor = Color.FromArgb(248,248,248);

154
Display a custom tooltip
// MouseMove event - Occurs when the user moves the mouse.
private void exsurface1_MouseMoveEvent(object sender,short   Button,short   Shift,int   X,int   Y)
{
	exsurface1.ShowToolTip("new content","",null,"+8","+8");
}
//this.exsurface1.MouseMoveEvent += new exontrol.EXSURFACELib.exg2antt.MouseMoveEventHandler(this.exsurface1_MouseMoveEvent);


153
Shows the tooltip of the object moved relative to its default position
// MouseMove event - Occurs when the user moves the mouse.
private void exsurface1_MouseMoveEvent(object sender,short   Button,short   Shift,int   X,int   Y)
{
	exsurface1.ShowToolTip("<null>","<null>",null,"+8","+8");
}
//this.exsurface1.MouseMoveEvent += new exontrol.EXSURFACELib.exg2antt.MouseMoveEventHandler(this.exsurface1_MouseMoveEvent);

exsurface1.Elements.Add("Element with a Tooltip",null,null).ToolTip = "This is a bit of text that should be displayed when cursor hovers the element.";

152
Rename Undo/Redo commands into the control's toolbar

exsurface1.BeginUpdate();
exsurface1.AllowUndoRedo = true;
exsurface1.ToolBarFormat = "-1,100,101,|,103,104";
exsurface1.set_ToolBarCaption(100,"<img>1</img>Acasa");
exsurface1.set_ToolBarCaption(103,"Anuleaza <img>3</img>");
exsurface1.set_ToolBarCaption(104,"<img>4</img>Reface");
exsurface1.set_ToolBarToolTip(100,"Restabileste vizualizarea la origine.");
exsurface1.set_ToolBarToolTip(101,"Mareste vizualizarea.");
exsurface1.set_ToolBarToolTip(103,"Anuleaza ultima actiune UI. Pentru a anula o actiune apasati Ctrl+Z.");
exsurface1.set_ToolBarToolTip(104,"Inverseaza cea mai recenta operatie de anulare. Pentru a reface o actiune apasati Ctrl+Y.");
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Item <b>1",-64,-48);
	var_Elements.Add("Item <b>2",32,32);
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null);
exsurface1.EndUpdate();

151
Add Undo/Redo commands to control's toolbar

exsurface1.BeginUpdate();
exsurface1.AllowUndoRedo = true;
exsurface1.ToolBarFormat = "-1,100,101,|,103,104";
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Item <b>1",-64,-48);
	var_Elements.Add("Item <b>2",32,32);
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null);
exsurface1.EndUpdate();

150
Clear Undo/Redo queue (method 2)
exsurface1.BeginUpdate();
exsurface1.AllowUndoRedo = true;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Item <b>1",-64,-64);
	var_Elements.Add("Item <b>2",null,null);
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null);
int c = exsurface1.UndoRedoQueueLength;
exsurface1.UndoRedoQueueLength = 0;
exsurface1.UndoRedoQueueLength = c;
System.Diagnostics.Debug.Print( exsurface1.get_UndoListAction(null,null) );
exsurface1.EndUpdate();

149
Clear Undo/Redo queue (method 1)
exsurface1.BeginUpdate();
exsurface1.AllowUndoRedo = true;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Item <b>1",-64,-64);
	var_Elements.Add("Item <b>2",null,null);
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null);
exsurface1.AllowUndoRedo = true;
System.Diagnostics.Debug.Print( exsurface1.get_UndoListAction(null,null) );
exsurface1.EndUpdate();

148
Removes Redo operations
exsurface1.BeginUpdate();
exsurface1.AllowUndoRedo = true;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Item <b>1",-64,-64);
	var_Elements.Add("Item <b>2",null,null);
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null);
exsurface1.Undo();
exsurface1.RedoRemoveAction(10,null);
System.Diagnostics.Debug.Print( exsurface1.get_RedoListAction(null,null) );
exsurface1.EndUpdate();

147
Removes Undo operations
exsurface1.BeginUpdate();
exsurface1.AllowUndoRedo = true;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Item <b>1",-64,-64);
	var_Elements.Add("Item <b>2",null,null);
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null);
exsurface1.UndoRemoveAction(10,null);
System.Diagnostics.Debug.Print( exsurface1.get_UndoListAction(null,null) );
exsurface1.EndUpdate();

146
Record the UI operations as a block of undo/redo operations

exsurface1.BeginUpdate();
exsurface1.AllowUndoRedo = true;
exsurface1.StartBlockUndoRedo();
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Item <b>1",-64,-64);
	var_Elements.Add("Item <b>2",null,null);
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null);
exsurface1.EndBlockUndoRedo();
System.Diagnostics.Debug.Print( exsurface1.get_UndoListAction(null,null) );
exsurface1.EndUpdate();

145
Groups the next to current Undo/Redo Actions in a single block

exsurface1.BeginUpdate();
exsurface1.AllowUndoRedo = true;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Item <b>1",-64,-64);
	var_Elements.Add("Item <b>2",null,null);
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null);
exsurface1.GroupUndoRedoActions(3);
System.Diagnostics.Debug.Print( exsurface1.get_UndoListAction(null,null) );
exsurface1.EndUpdate();

144
Limits the number of entries within the Undo/Redo queue

exsurface1.BeginUpdate();
exsurface1.AllowUndoRedo = true;
exsurface1.UndoRedoQueueLength = 1;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Item <b>1",-64,-64);
	var_Elements.Add("Item <b>2",null,null);
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null);
System.Diagnostics.Debug.Print( exsurface1.get_UndoListAction(null,null) );
exsurface1.EndUpdate();

143
Lists the Redo actions that can be performed on the surface

exsurface1.BeginUpdate();
exsurface1.AllowUndoRedo = true;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Item <b>1",-64,-64);
	var_Elements.Add("Item <b>2",null,null);
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null);
exsurface1.Undo();
System.Diagnostics.Debug.Print( exsurface1.get_RedoListAction(null,null) );
exsurface1.EndUpdate();

142
Lists the Undo actions that can be performed on the surface

exsurface1.BeginUpdate();
exsurface1.AllowUndoRedo = true;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Item <b>1",-64,-64);
	var_Elements.Add("Item <b>2",null,null);
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null);
System.Diagnostics.Debug.Print( exsurface1.get_UndoListAction(null,null) );
exsurface1.EndUpdate();

141
Checks whether the Undo operation is possible

exsurface1.BeginUpdate();
exsurface1.AllowUndoRedo = true;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Item <b>1",-64,-64);
	var_Elements.Add("Item <b>2",null,null);
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null);
exsurface1.Undo();
System.Diagnostics.Debug.Print( "CanRedo" );
System.Diagnostics.Debug.Print( exsurface1.CanRedo.ToString() );
exsurface1.EndUpdate();

140
Call Redo by code

exsurface1.BeginUpdate();
exsurface1.AllowUndoRedo = true;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Item <b>1",-64,-64);
	var_Elements.Add("Item <b>2",null,null);
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null);
exsurface1.Undo();
exsurface1.Redo();
exsurface1.EndUpdate();

139
Checks whether the Undo operation is possible

exsurface1.BeginUpdate();
exsurface1.AllowUndoRedo = true;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Item <b>1",-64,-64);
	var_Elements.Add("Item <b>2",null,null);
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null);
System.Diagnostics.Debug.Print( "CanUndo" );
System.Diagnostics.Debug.Print( exsurface1.CanUndo.ToString() );
exsurface1.EndUpdate();

138
Call Undo by code

exsurface1.BeginUpdate();
exsurface1.AllowUndoRedo = true;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Item <b>1",-64,-64);
	var_Elements.Add("Item <b>2",null,null);
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null);
exsurface1.Undo();
exsurface1.EndUpdate();

137
Save the element's properties for Undo/Redo operations, by code

exsurface1.BeginUpdate();
exsurface1.AllowUndoRedo = true;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Item <b>1",-64,-64);
	var_Elements.Add("Item <b>2",null,null);
exsurface1.StartBlockUndoRedo();
exontrol.EXSURFACELib.Link var_Link = exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null);
	int h = var_Link.StartUpdateLink;
	var_Link.Color = Color.FromArgb(255,0,0);
	var_Link.Width = 2;
	var_Link.ShowDir = false;
	var_Link.ShowLinkType = exontrol.EXSURFACELib.ShowLinkTypeEnum.exLinkStraight;
	var_Link.EndUpdateLink(h);
exsurface1.EndBlockUndoRedo();
exsurface1.EndUpdate();

136
No color is restored for the link when Undo/Redo operation is executed

// AddElement event - A new element has been added to the surface.
private void exsurface1_AddElement(object sender,exontrol.EXSURFACELib.Element   Element)
{
	// Element.ShowCheckBox = True
	// Element.CheckBoxAlign = 2
}
//this.exsurface1.AddElement += new exontrol.EXSURFACELib.exg2antt.AddElementEventHandler(this.exsurface1_AddElement);

exsurface1.BeginUpdate();
exsurface1.AllowUndoRedo = true;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Check <b>1",-64,-64);
	var_Elements.Add("Check <b>2",null,null).Checked = exontrol.EXSURFACELib.CheckStateEnum.exChecked;
exsurface1.StartBlockUndoRedo();
exontrol.EXSURFACELib.Link var_Link = exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null);
	int h = var_Link.StartUpdateLink;
	var_Link.Color = Color.FromArgb(255,0,0);
	var_Link.Width = 2;
	var_Link.ShowDir = false;
	var_Link.ShowLinkType = exontrol.EXSURFACELib.ShowLinkTypeEnum.exLinkStraight;
	var_Link.EndUpdateLink(h);
exsurface1.EndBlockUndoRedo();
exsurface1.EndUpdate();

135
Save the element's properties for Undo/Redo operations, by code

exsurface1.BeginUpdate();
exsurface1.AllowUndoRedo = true;
exsurface1.Elements.Add("Item <b>1",-64,-64);
exsurface1.StartBlockUndoRedo();
exontrol.EXSURFACELib.Element var_Element = exsurface1.Elements.Add("Item <b>2",null,null);
	int h = var_Element.StartUpdateElement;
	var_Element.BackColor = Color.FromArgb(0,0,0);
	var_Element.ForeColor = Color.FromArgb(255,255,255);
	var_Element.BorderColor = Color.FromArgb(255,0,0);
	var_Element.EndUpdateElement(h);
exsurface1.EndBlockUndoRedo();
exsurface1.EndUpdate();

134
No color is restored for the element when Undo/Redo operation is executed

exsurface1.BeginUpdate();
exsurface1.AllowUndoRedo = true;
exsurface1.Elements.Add("Item <b>1",-64,-64);
exsurface1.StartBlockUndoRedo();
exontrol.EXSURFACELib.Element var_Element = exsurface1.Elements.Add("Item <b>2",null,null);
	int h = var_Element.StartUpdateElement;
	var_Element.BackColor = Color.FromArgb(0,0,0);
	var_Element.ForeColor = Color.FromArgb(255,255,255);
	var_Element.BorderColor = Color.FromArgb(255,0,0);
	var_Element.EndUpdateElement(h);
exsurface1.EndBlockUndoRedo();
exsurface1.EndUpdate();

133
How can I ensure that a specified element fits the surface's visible area

exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	exontrol.EXSURFACELib.Pattern var_Pattern = var_Elements.Add("Element A",-100,null).Pattern;
		var_Pattern.Type = exontrol.EXSURFACELib.PatternEnum.exPatternBDiagonal;
		var_Pattern.Color = Color.FromArgb(224,224,224);
	var_Elements.Add("Element B",2000,null).EnsureVisible();

132
LayoutEndChanging(exUndo), LayoutEndChanging(exRedo) or LayoutEndChanging(exUndoRedoUpdate) notifiy your application once a Undo/Redo operation is executed (CTRL+Z, CTRL+Y) or updated

// AddElement event - A new element has been added to the surface.
private void exsurface1_AddElement(object sender,exontrol.EXSURFACELib.Element   Element)
{
	// Element.ShowCheckBox = True
	// Element.CheckBoxAlign = 2
}
//this.exsurface1.AddElement += new exontrol.EXSURFACELib.exg2antt.AddElementEventHandler(this.exsurface1_AddElement);

// LayoutEndChanging event - Notifies your application once the control's layout has been changed.
private void exsurface1_LayoutEndChanging(object sender,exontrol.EXSURFACELib.LayoutChangingEnum   Operation)
{
	System.Diagnostics.Debug.Print( "LayoutEndChanging" );
	System.Diagnostics.Debug.Print( Operation.ToString() );
}
//this.exsurface1.LayoutEndChanging += new exontrol.EXSURFACELib.exg2antt.LayoutEndChangingEventHandler(this.exsurface1_LayoutEndChanging);

exsurface1.BeginUpdate();
exsurface1.AllowUndoRedo = true;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Check <b>1",-64,-64);
	var_Elements.Add("Check <b>2",null,null).Checked = exontrol.EXSURFACELib.CheckStateEnum.exChecked;
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null);
exsurface1.EndUpdate();

131
Turn on the Undo/Redo feature

// AddElement event - A new element has been added to the surface.
private void exsurface1_AddElement(object sender,exontrol.EXSURFACELib.Element   Element)
{
	// Element.ShowCheckBox = True
	// Element.CheckBoxAlign = 2
}
//this.exsurface1.AddElement += new exontrol.EXSURFACELib.exg2antt.AddElementEventHandler(this.exsurface1_AddElement);

exsurface1.BeginUpdate();
exsurface1.AllowUndoRedo = true;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Check <b>1",-64,-64);
	var_Elements.Add("Check <b>2",null,null).Checked = exontrol.EXSURFACELib.CheckStateEnum.exChecked;
exsurface1.Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null);
exsurface1.EndUpdate();

130
ImageSize property on 32 (specifies the size of control' icons/images/check-boxes/radio-buttons)

// AddElement event - A new element has been added to the surface.
private void exsurface1_AddElement(object sender,exontrol.EXSURFACELib.Element   Element)
{
	// Element.ShowCheckBox = True
}
//this.exsurface1.AddElement += new exontrol.EXSURFACELib.exg2antt.AddElementEventHandler(this.exsurface1_AddElement);

exsurface1.BeginUpdate();
exsurface1.ImageSize = 32;
exsurface1.Font.Size = 16;
exsurface1.Images("gBJJgBAIDAAEg4AEEKAD/hz/EMNh8TIRNGwAjEZAEXjAojKAjMLjABhkaABAk0plUrlktl0vmExmUzmk1m03nE5nU7nk9miAoE+oVDolFo1HpFJpU5h8Sf9OqFNqUOq" +
"NUqdPq9VrFWrlbr1QpdhAFAkFis1ntFptVrtkrpszrNvmVxqk3uVtm1kmF3sdBvF/wGBmV+j9BYGHwWJulfxdax2NyFdx2JlV6l9Nw7AAGZymdz2Cy2GxErvWcz9ivlw" +
"yV21cuxugwktzGIzmvwtl0+53U5y0a0Wazmmyu/3dCyOMyXHx/J5nIr9q3uyqnBxFN3G46ma4vb7mD2Ng4nZze00fDkHC7t7us2rOX5tguetpHRlmz4HVqnXk1PjHO+C" +
"MPo9MBMC+j2vC8j7wS8cFNI4kBo05UIvfCT/NsnsApU+0Fqg/T+oy/kPxC0sEQfErKQK96+w28UWRI8UGvO8sTLS9r2PWmsMJTDTask3CsIbIEQRA3shOXEEAO/GclJ9" +
"FEKrrA8FRbKMXRIlb0JxCkjS1LMswhCcvuel0cv26cSMa8Ufx+2sQwhEUoSXOCjSbLcnxjKc7sdKUVyq28NtVI71P9P7JxtQEapjQ6fzfM8zPfNE2PhIsLL63E40slk5" +
"y7N89LcyU9SvMb3SdUc6VJLj5VLVLfO/PS9KzNFHUa/0XyBD0dxlS9cxhMlTRSoNXypPErWDPyfNS+MwprRNO0FD8wVVZ1AI08URwVRjtJ1WCn21QkkUrXVLVPQS/XIk" +
"FgTxT9iONZ9xVTdq+L1eKg3kkF6Upe68XtfV51/MtrVjBlwYFL1ev8y1/P6/lyzzYl02wntj0RVFmS1Qa+M5as93QxEUW9e993rfmQ2+vy65M/mL1lhl/2bj2ByVduMt" +
"NhCJT9hdz41nN14Ld12Z9UjfI/oUAaGseiw6+uFLLhcVabJOS5RqOE0BHlZ5VnEr5fOMs3st+aa/bbRzrJGV51Y0b0DbqaWXZD90hIsPbjWu52+6Wyadpe66hhO+P/Xi" +
"oW5rD8ZbrUZuVg6n1dsE/cXmewu1m9PVwnd35/nueXho/NaJzmjc61W76esuT77eG8pTquy9TwWH8LEzG8RDfFalx3Gcfvna9rvG/cptGLd9tuI6TZOP5Fiqi99vea+X" +
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exontrol.EXSURFACELib.Appearance var_Appearance = exsurface1.VisualAppearance;
	var_Appearance.Add(1,"gBFLBCJwBAEHhEJAAEhABfICg6AADACAxRDgMQBQKAAzQFAYbhkGCGAAGMZxRgmFgAQhFcZQSKUOQTDKMIziaQAGgkNQwCSLIwjNIsBxPFKVQChEYxSjKA40SJNUgyj" +
"6CCY+QLIE5PfQgAL9I6eJABCCSQKkYx0HScRiwPBIbAZAYhCZqaKhWgkKI/WBQIABRDVLx5ESiLRtKy7Mq2bpvXBcNxXHalaztO68LxvKyqHb5fJ/PpgL4YHgmC4NQ7E" +
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"ochqaZGgaCxpAoZoaiaaJqEmWIcGgShcnCJwqEqFoR3YOoFlgchflqNouiuawHmWSYqGkWZQhcatzmaOoumuSp2j6L5bBaKo0GQKRnGGCxqiyCwmkqMpsksNpOGUGI7A" +
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	var_Appearance.Add(2,"gBFLBCJwBAEHhEJAAEhABcoFg6AADACAxRDgMQBQKAAzQFAYbhkGCGAAGMZxRgmFgAQhFcZQSKUOQTDKMIziaQAGgkNQwCSLIwjNIsBxPFKVQChEYxSjKA40SJNUgyj" +
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"MRwF6rfbyfZ7Xg/ORPTijZ4sdzMHTzJyscx3HqfaBoOaZU5eMLceTUMofHIndxCcasPbsLpOS5LNKsaxmWLYdhFdTxQi6LpvfA8BwXC6JY7heRYRbFbYxRjGNi1TS7G4" +
"nGKd5WGuL4UHwI4VkaYxii8V4pgQMgVBQdQ5iCTYGi8T4vlWbJ3nuPg+l+H5AlSCg6ByPBoE8Ap3jqYxhBido5g0OgOGOGI4CsSpCCAcgcAuEokiEN5NCKfJ9DyTRjnS" +
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"sCwDAsAEB2ABTIwRwD6A8CMToSxkAxE4HYIw+BsgbBEDAHYBwojCBoIYFgXSjABE4MsHIbQWhlGILQS4UhvBdAUKEEwHgxDAAABQQQUAhgKHiDwE4JS4A7BGLQZwCR4g" +
"aBEMUYAqgKApHgGwVAIRNgvBMMQXImwZDtE4I8UIyAZCDCAE8AwrhgAdEEBACQLRCg4FEB4AYtA7CdEiPQMoJAMDNCkOMCAXAFDhH0D0Q4EgfAaGSK4NYzRUj9BuCgAg" +
"swOBjB4Fqpw8B2ADAwE4A4Qx2DAE6JIaQPQGhAGKBcIQ5B5gHByKIFARwADbAyKUfgdBKBBGyEcVIAB/ijHoIoSA0gdBNl+OATYERZgBGSDYWIWAUCEGKA4FAhR7CIBt" +
"YQGYZg4CMAiKEcAOwkBjHWE8Z4lQgA+DkBoTohwwCeAaMEEgBQCCABgHMRwQRhhMEWFQd4HwZgwDqFESItAbAGEANCpINAzANCCJkK4ah+heFYBURwsQrS2CsMYMoWGB" +
"hYDWI0EInQgiApXaOVI1QFDsC8MUNoMBMA1HMJga4eh+BeAWOgNNowGjYzCGAAwax+iJBeBVT4gxoBIAGFsJFBxgBiGKFkKQ7g5DFFQEcAo4AzDDACKEQQLgCiJDYB0M" +
"gRBCCQAgQEA==");
	var_Appearance.Add(3,"gBFLBCJwBAEHhEJAAEhABQ4Fg6AADACAxRDgMQBQKAAzQFAYbhkGCGAAGMZxRgmFgAQhFcZQSKUOQTDKMIziaQAGgkNQwCSLIwjNIsBxPFKVQChEYxSjKA40SJNUgyj" +
"6CCY+QLIE5PfQgAL9I6eJABCCSQKkYx0HScRiwPBIbAZAYhCZqaKhWgkKI/WBQIABRDVLx5ESiLRtKy7Mq2bpvXBcNxXHalaztO68LxvKyqHb5fJ/PpgL4YHgmC4NQ7E" +
"MRwF6rfbyfZ7Xg/ORPTijZ4sdzMHTzJyscx3HqfaBoOaZU5eMLceTUMofHIndxCcasPbsLpOS5LNKsaxmWLYdhFdTxQi6LpvfA8BwXC6JY7heRYRbFbYxRjGNi1TS7G4" +
"nGKd5WGuL4UHwI4VkaYxii8V4pgQMgVBQdQ5iCTYGi8T4vlWbJ3nuPg+l+H5AlSCg6ByPBoE8Ap3jqYxhBido5g0OgOGOGI4CsSpCCAcgcAuEosiYN5NHMOJ+D4TpTnS" +
"eQ7CEY4uBmBpPhgagdgcIZoHibIEyUBJZDQIJShoCgcCAcoyAQOYYlcZJ1D0DxDCiQgwEiAZMHEMJLFKPJ9D2DoDnidQ4k+Y5QmKEROBkIhKD0JIZDIS4TGUCQuEeEJj" +
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"hcDdA2GMQA8AOCjDSPgHI4QnApAKBICwHg1A+BcAwcYsgbjGGQNkCIgRsA6EcBEWANADjsB0B8YYzQQDIGSBcEYZBCCPEkFIHQSgkgZAwG4IwBAbAYGGAgL4Ch4g8BOC" +
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"H0J4yg5hPGWN0GwFBHQBFaDoQIURljFAoB4GgzRVzbBECQFQRQoguHGHANwDRdCKy8CgSIGwhhoDYJYYI1giBICSAEgI=");
exsurface1.set_Background32(exontrol.EXSURFACELib.BackgroundPartEnum.exCheckBoxState0,0x1000000);
exsurface1.set_Background32(exontrol.EXSURFACELib.BackgroundPartEnum.exCheckBoxState1,0x2000000);
exsurface1.set_Background32(exontrol.EXSURFACELib.BackgroundPartEnum.exCheckBoxState2,0x3000000);
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	exontrol.EXSURFACELib.Element var_Element = exsurface1.Elements.Add("Element Check 1",-64,-64);
	var_Elements.Add("Child",null,null).Parent = (var_Element as exontrol.EXSURFACELib.Element);
		var_Element.Pictures = "1/2";
		var_Element.Expanded = false;
	exontrol.EXSURFACELib.Element var_Element1 = var_Elements.Add("Element Check 2",32,96);
		var_Element1.Checked = exontrol.EXSURFACELib.CheckStateEnum.exChecked;
		var_Element1.Pictures = "1,2";
exsurface1.Home();
exsurface1.EndUpdate();

129
ImageSize property on 16 (default) (specifies the size of control' icons)

// AddElement event - A new element has been added to the surface.
private void exsurface1_AddElement(object sender,exontrol.EXSURFACELib.Element   Element)
{
	// Element.ShowCheckBox = True
}
//this.exsurface1.AddElement += new exontrol.EXSURFACELib.exg2antt.AddElementEventHandler(this.exsurface1_AddElement);

exsurface1.BeginUpdate();
exsurface1.ImageSize = 16;
exsurface1.Images("gBJJgBAIDAAEg4ACEKAD/hz/EMNh8TIRNGwAjEZAEXjAojJAjMLjABAAgjUYkUnlUrlktl0vmExmUzmk1m03nE5nU7nkrQCAntBoVDolFo1HoM/ADAplLptImdMYFOq" +
"dSqlXq1QrVbrlGpVWsFNrNdnNjsk7pQAtNroFnt0sh8Yr9iulTuNxs1Eu8OiT/vsnsNVutXlk/oGGtVKxGLxWNtsZtN8iUYuNvy0Zvd+xNYwdwvl4p870GCqc8vOeuVt" +
"tmp1knyOayWVy+WzN/ze1wOElenm+12WUz/Bv2/3UyyWrzeutux2GSyGP2dQ33C1ur3GD3M4zUNzHdlWjq/E3nGzVpjWv4HA7fRy/Tv2IrN8rPW6nZ3ve7mUlfu20Z8a" +
"cvQyb+vY9jasYoDwMm+LytVBDqKG3z8O3Cb8P+mkAuY9cCQ2uL4KaxDKvkp8RNLEjqugnrwQo/UWPzFyeQw5sNLZFENrI4kOqU66pw8uzmOKvTqNqjULJvGL1JO48GtT" +
"GsbLdEL3scxLlyiw8dQeoUVxdLTtyKmUjwGlslRPJsnK1HbAKbKCrsQo8uQk/CeP44iaR/ATnTNPLvyxPU+z9P9AUDQVBowiofJXQ6Oo+kKMpIkjztE4TKn4P6JowfgP" +
"nwD5/nAjB8AOeAPo0eAA1IAFH07UhAIMpYAVIYFHqBUhwVjV1S1EtQAHxW65V0AZwAeuQAnwB5gAPYViEDVhwAHTQBkCjB4gOhwDmCyhH0sACAg==");
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	exontrol.EXSURFACELib.Element var_Element = exsurface1.Elements.Add("Element Check 1",-64,-64);
	var_Elements.Add("Child",null,null).Parent = (var_Element as exontrol.EXSURFACELib.Element);
		var_Element.Pictures = "1/2";
		var_Element.Expanded = false;
	exontrol.EXSURFACELib.Element var_Element1 = var_Elements.Add("Element Check 2",0,32);
		var_Element1.Checked = exontrol.EXSURFACELib.CheckStateEnum.exChecked;
		var_Element1.Pictures = "1,2";
exsurface1.Home();
exsurface1.EndUpdate();

128
We want to have option to start/end connectors at the middle of each side of the elements

exsurface1.BeginUpdate();
exsurface1.ShowLinks = exontrol.EXSURFACELib.ShowExtendedLinksEnum.exShowLinks;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Element <sha ;;0>1",null,null);
	var_Elements.Add("Element <sha ;;0>2",164,64);
	var_Elements.Add("Element <sha ;;0>3",0,132);
exontrol.EXSURFACELib.Links var_Links = exsurface1.Links;
	var_Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null);
	var_Links.Add(exsurface1.Elements[3],exsurface1.Elements[2],null);
exsurface1.FitToClient();
exsurface1.EndUpdate();

127
How can I determine the position the user clicks within the element's boundaries (Click event)

// Click event - Occurs when the user presses and then releases the left mouse button over the control.
private void exsurface1_Click(object sender)
{
	Object e = (exsurface1.get_ElementFromPoint(-1,-1) as Object);
	string X = -1;
	string Y = -1;
	exsurface1.PointToPosition(X,Y);
	System.Diagnostics.Debug.Print( e.ToString() );
	System.Diagnostics.Debug.Print( X.ToString() );
	System.Diagnostics.Debug.Print( Y.ToString() );
}
//this.exsurface1.Click += new exontrol.EXSURFACELib.exg2antt.ClickEventHandler(this.exsurface1_Click);

exsurface1.BeginUpdate();
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Element 1",null,null);
	var_Elements.Add("Element 2",128,64);
exsurface1.FitToClient();
exsurface1.EndUpdate();

126
How can I determine the position the user clicks within the element's boundaries (MouseMove event)

// MouseMove event - Occurs when the user moves the mouse.
private void exsurface1_MouseMoveEvent(object sender,short   Button,short   Shift,int   X,int   Y)
{
	Object e = (exsurface1.get_ElementFromPoint(X,Y) as Object);
	exsurface1.PointToPosition(X,Y);
	System.Diagnostics.Debug.Print( e.ToString() );
	System.Diagnostics.Debug.Print( X.ToString() );
	System.Diagnostics.Debug.Print( Y.ToString() );
}
//this.exsurface1.MouseMoveEvent += new exontrol.EXSURFACELib.exg2antt.MouseMoveEventHandler(this.exsurface1_MouseMoveEvent);

exsurface1.BeginUpdate();
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Element 1",null,null);
	var_Elements.Add("Element 2",128,64);
exsurface1.FitToClient();
exsurface1.EndUpdate();

125
How can I convert the screen position (mouse) to surface position

// MouseMove event - Occurs when the user moves the mouse.
private void exsurface1_MouseMoveEvent(object sender,short   Button,short   Shift,int   X,int   Y)
{
	System.Diagnostics.Debug.Print( "Point " );
	System.Diagnostics.Debug.Print( X.ToString() );
	System.Diagnostics.Debug.Print( Y.ToString() );
	exsurface1.PointToPosition(X,Y);
	System.Diagnostics.Debug.Print( "Position " );
	System.Diagnostics.Debug.Print( X.ToString() );
	System.Diagnostics.Debug.Print( Y.ToString() );
}
//this.exsurface1.MouseMoveEvent += new exontrol.EXSURFACELib.exg2antt.MouseMoveEventHandler(this.exsurface1_MouseMoveEvent);

exsurface1.BeginUpdate();
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Element <sha ;;0>1",null,null);
	var_Elements.Add("Element <sha ;;0>2",164,64);
	var_Elements.Add("Element <sha ;;0>3",0,132);
exontrol.EXSURFACELib.Links var_Links = exsurface1.Links;
	var_Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null);
	var_Links.Add(exsurface1.Elements[3],exsurface1.Elements[2],null);
	var_Links.Add(exsurface1.Elements[3],exsurface1.Elements[1],null);
exsurface1.FitToClient();
exsurface1.AxisStyle = (exontrol.EXSURFACELib.LinesStyleEnum)0xc0;
exsurface1.AxisColor = Color.FromArgb(128,128,128);
exsurface1.EndUpdate();

124
Is is possible to show just the positive coordinates

exsurface1.BeginUpdate();
exsurface1.Coord = exontrol.EXSURFACELib.CoordEnum.exAllowPositiveOnly | exontrol.EXSURFACELib.CoordEnum.exCartesian;
exsurface1.AxisColor = Color.FromArgb(128,128,128);
exsurface1.AxisStyle = exontrol.EXSURFACELib.LinesStyleEnum.exLinesThick | exontrol.EXSURFACELib.LinesStyleEnum.exLinesDot4;
exsurface1.ShowLinks = exontrol.EXSURFACELib.ShowExtendedLinksEnum.exShowLinks;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Element <sha ;;0>1",null,null);
	var_Elements.Add("Element <sha ;;0>2",164,64);
	var_Elements.Add("Element <sha ;;0>3",0,132);
exontrol.EXSURFACELib.Links var_Links = exsurface1.Links;
	var_Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null);
	var_Links.Add(exsurface1.Elements[3],exsurface1.Elements[2],null);
exsurface1.FitToClient();
exsurface1.EndUpdate();

123
Cartesian coordinates (positive coordinates are shown top-right to the origin)

exsurface1.BeginUpdate();
exsurface1.Coord = exontrol.EXSURFACELib.CoordEnum.exCartesian;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Element <sha ;;0>1",null,null);
	var_Elements.Add("Element <sha ;;0>2",164,64);
	var_Elements.Add("Element <sha ;;0>3",0,132);
exontrol.EXSURFACELib.Links var_Links = exsurface1.Links;
	var_Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null);
	var_Links.Add(exsurface1.Elements[3],exsurface1.Elements[2],null);
	var_Links.Add(exsurface1.Elements[3],exsurface1.Elements[1],null);
exsurface1.FitToClient();
exsurface1.EndUpdate();

122
Default coordinates (positive coordinates are shown bottom-right to the origin)

exsurface1.BeginUpdate();
exsurface1.Coord = exontrol.EXSURFACELib.CoordEnum.exDefCoord;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Element <sha ;;0>1",null,null);
	var_Elements.Add("Element <sha ;;0>2",164,64);
	var_Elements.Add("Element <sha ;;0>3",0,132);
exontrol.EXSURFACELib.Links var_Links = exsurface1.Links;
	var_Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null);
	var_Links.Add(exsurface1.Elements[3],exsurface1.Elements[2],null);
	var_Links.Add(exsurface1.Elements[3],exsurface1.Elements[1],null);
exsurface1.FitToClient();
exsurface1.EndUpdate();

121
Is it possible to customize the path of the links orthogonally similar with Microsoft Visio tool

exsurface1.BeginUpdate();
exsurface1.AllowLinkControlPoint = exontrol.EXSURFACELib.LinkControlPointEnum.exOrthoArrange | exontrol.EXSURFACELib.LinkControlPointEnum.exMiddleControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exEndControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exStartControlPoint;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Element <sha ;;0>1",null,null);
	var_Elements.Add("Element <sha ;;0>2",164,64);
	var_Elements.Add("Element <sha ;;0>3",0,132);
exontrol.EXSURFACELib.Links var_Links = exsurface1.Links;
	var_Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null);
	var_Links.Add(exsurface1.Elements[3],exsurface1.Elements[2],null);
	var_Links.Add(exsurface1.Elements[3],exsurface1.Elements[1],null);
exsurface1.Zoom = 200;
exsurface1.FitToClient();
exsurface1.EndUpdate();

120
Does your control supports OLE Drag and Drop
// OLEDragDrop event is not supported. Use the DragEnter,DragLeave,DragOver, DragDrop ... events.
// OLEStartDrag event is not supported. Use the DragEnter,DragLeave,DragOver, DragDrop ... events.
exsurface1.OLEDropMode = exontrol.EXSURFACELib.exOLEDropModeEnum.exOLEDropManual;
exontrol.EXSURFACELib.Element var_Element = exsurface1.Elements.Add("Click the Element wait for .5 second until + cursor is shown, to start <b>OLE Drag and Drop</b>",null,null);
	var_Element.CaptionSingleLine = exontrol.EXSURFACELib.CaptionSingleLineEnum.exCaptionWordWrap;
	var_Element.AutoSize = false;
	var_Element.Width = 256;
	var_Element.Height = 56;

119
Is it possible to disable customizing the path of a specified link

exsurface1.BeginUpdate();
exsurface1.AllowLinkControlPoint = (exontrol.EXSURFACELib.LinkControlPointEnum)0xffffff80 | exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeTo | exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeFrom | exontrol.EXSURFACELib.LinkControlPointEnum.exOrthoArrange | exontrol.EXSURFACELib.LinkControlPointEnum.exMiddleControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exEndControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exStartControlPoint;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Element <sha ;;0>A",null,null);
	var_Elements.Add("Element <sha ;;0>B",164,64);
	var_Elements.Add("Element <sha ;;0>B",0,132);
exontrol.EXSURFACELib.Links var_Links = exsurface1.Links;
	var_Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null).CustomPath = "0.5,0.25,0.5,.75";
	var_Links.Add(exsurface1.Elements[3],exsurface1.Elements[2],null).CustomPath = "0.5,0.25,0.5,.75";
	exontrol.EXSURFACELib.Link var_Link = var_Links.Add(exsurface1.Elements[3],exsurface1.Elements[1],null);
		var_Link.ShowLinkType = exontrol.EXSURFACELib.ShowLinkTypeEnum.exLinkStraight | exontrol.EXSURFACELib.ShowLinkTypeEnum.exLinkDirect;
		var_Link.StartPos = exontrol.EXSURFACELib.AlignmentEnum.LeftAlignment;
		var_Link.Color = Color.FromArgb(128,128,128);
		var_Link.AllowControlPoint = exontrol.EXSURFACELib.LinkControlPointEnum.exNoControlPoint;
exsurface1.Zoom = 200;
exsurface1.FitToClient();
exsurface1.EndUpdate();

118
How do I let user customizes the link's path

exsurface1.BeginUpdate();
exsurface1.AllowLinkControlPoint = (exontrol.EXSURFACELib.LinkControlPointEnum)0xffffff80 | exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeTo | exontrol.EXSURFACELib.LinkControlPointEnum.exAllowChangeFrom | exontrol.EXSURFACELib.LinkControlPointEnum.exOrthoArrange | exontrol.EXSURFACELib.LinkControlPointEnum.exMiddleControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exEndControlPoint | exontrol.EXSURFACELib.LinkControlPointEnum.exStartControlPoint;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Element <sha ;;0>A",null,null);
	var_Elements.Add("Element <sha ;;0>B",164,64);
	var_Elements.Add("Element <sha ;;0>B",0,132);
exontrol.EXSURFACELib.Links var_Links = exsurface1.Links;
	var_Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null).CustomPath = "0.5,0.25,0.5,.75";
	var_Links.Add(exsurface1.Elements[3],exsurface1.Elements[2],null).CustomPath = "0.5,0.25,0.5,.75";
	exontrol.EXSURFACELib.Link var_Link = var_Links.Add(exsurface1.Elements[3],exsurface1.Elements[1],null);
		var_Link.ShowLinkType = exontrol.EXSURFACELib.ShowLinkTypeEnum.exLinkStraight | exontrol.EXSURFACELib.ShowLinkTypeEnum.exLinkDirect;
		var_Link.StartPos = exontrol.EXSURFACELib.AlignmentEnum.LeftAlignment;
exsurface1.Zoom = 200;
exsurface1.FitToClient();
exsurface1.EndUpdate();

117
How can I generate a picture/image/graph from my diagram
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Element A",null,null).ID = "A";
	var_Elements.Add("Element B",null,null).ID = "B";
	var_Elements.Add("Element C",null,null).ID = "C";
	var_Elements.Add("Element D",null,null).ID = "D";
	var_Elements.Add("Element E",null,null).ID = "E";
	var_Elements.Add("Element E",null,null).ID = "F";
exontrol.EXSURFACELib.Links var_Links = exsurface1.Links;
	var_Links.Add(exsurface1.Elements["A"],exsurface1.Elements["B"],null);
	var_Links.Add(exsurface1.Elements["A"],exsurface1.Elements["C"],null);
	var_Links.Add(exsurface1.Elements["B"],exsurface1.Elements["D"],null);
	var_Links.Add(exsurface1.Elements["B"],exsurface1.Elements["C"],null);
	var_Links.Add(exsurface1.Elements["A"],exsurface1.Elements["E"],null);
	var_Links.Add(exsurface1.Elements["A"],exsurface1.Elements["F"],null);
exsurface1.set_DefArrange(exontrol.EXSURFACELib.DefArrangeEnum.exDefArrangeCompact,false);
exsurface1.Arrange(null);
object var_CopyTo = exsurface1.get_CopyTo("c:/temp/xtest.jpg");
System.Diagnostics.Debug.Print( "!!!check the file c:/temp/xtest.jpg!!!" );

116
How can I generate a picture/image/graph from my diagram
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Element A",null,null).ID = "A";
	var_Elements.Add("Element B",null,null).ID = "B";
	var_Elements.Add("Element C",null,null).ID = "C";
	var_Elements.Add("Element D",null,null).ID = "D";
	var_Elements.Add("Element E",null,null).ID = "E";
	var_Elements.Add("Element E",null,null).ID = "F";
exontrol.EXSURFACELib.Links var_Links = exsurface1.Links;
	var_Links.Add(exsurface1.Elements["A"],exsurface1.Elements["B"],null);
	var_Links.Add(exsurface1.Elements["A"],exsurface1.Elements["C"],null);
	var_Links.Add(exsurface1.Elements["B"],exsurface1.Elements["D"],null);
	var_Links.Add(exsurface1.Elements["B"],exsurface1.Elements["C"],null);
	var_Links.Add(exsurface1.Elements["A"],exsurface1.Elements["E"],null);
	var_Links.Add(exsurface1.Elements["A"],exsurface1.Elements["F"],null);
exsurface1.set_DefArrange(exontrol.EXSURFACELib.DefArrangeEnum.exDefArrangeCompact,false);
exsurface1.Arrange(null);
// Add 'exontrol.exprint.dll(ExPrint.dll)' reference to your project.
// Add 'ExPrint 1.0 Control Library(ExPrint.dll)' reference to your project.
exontrol.EXPRINTLib.exprint var_Print = new exontrol.EXPRINTLib.exprint();
	var_Print.PrintExt = (exsurface1 as exontrol.EXSURFACELib.exsurface);
	var_Print.CopyTo("c:/temp/xtest.jpg");
System.Diagnostics.Debug.Print( "!!!check the file c:/temp/xtest.jpg!!!" );

115
How can I print the component
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Element <sha ;;0>A",null,null);
	var_Elements.Add("Element <sha ;;0>B",0,76);
	exontrol.EXSURFACELib.Element var_Element = var_Elements.Add("Element <sha ;;0>C",-76,32);
		var_Element.AutoSize = false;
		var_Element.Height = 32;
	exontrol.EXSURFACELib.Element var_Element1 = var_Elements.Add("Element <sha ;;0>D",76,32);
		var_Element1.AutoSize = false;
		var_Element1.Height = 32;
exontrol.EXSURFACELib.Links var_Links = exsurface1.Links;
	exontrol.EXSURFACELib.Link var_Link = var_Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null);
		var_Link.StartPos = exontrol.EXSURFACELib.AlignmentEnum.CenterAlignment;
		var_Link.EndPos = exontrol.EXSURFACELib.AlignmentEnum.CenterAlignment;
	exontrol.EXSURFACELib.Link var_Link1 = var_Links.Add(exsurface1.Elements[2],exsurface1.Elements[1],null);
		var_Link1.StartPos = exontrol.EXSURFACELib.AlignmentEnum.CenterAlignment;
		var_Link1.EndPos = exontrol.EXSURFACELib.AlignmentEnum.CenterAlignment;
	var_Links.Add(exsurface1.Elements[3],exsurface1.Elements[4],null);
	exontrol.EXSURFACELib.Link var_Link2 = var_Links.Add(exsurface1.Elements[4],exsurface1.Elements[3],null);
		var_Link2.StartPos = exontrol.EXSURFACELib.AlignmentEnum.LeftAlignment;
		var_Link2.EndPos = exontrol.EXSURFACELib.AlignmentEnum.RightAlignment;
// Add 'exontrol.exprint.dll(ExPrint.dll)' reference to your project.
// Add 'ExPrint 1.0 Control Library(ExPrint.dll)' reference to your project.
exontrol.EXPRINTLib.exprint var_Print = new exontrol.EXPRINTLib.exprint();
	var_Print.PrintExt = (exsurface1 as exontrol.EXSURFACELib.exsurface);
	var_Print.Preview();

114
How can I show direct-links

exsurface1.ShowLinksType = exontrol.EXSURFACELib.ShowLinkTypeEnum.exLinkDirect;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Element A",null,null).ID = "A";
	var_Elements.Add("Element B",128,64).ID = "B";
	var_Elements.Add("Element C",128,-64).ID = "C";
exontrol.EXSURFACELib.Links var_Links = exsurface1.Links;
	var_Links.Add(exsurface1.Elements["A"],exsurface1.Elements["B"],null);
	var_Links.Add(exsurface1.Elements["A"],exsurface1.Elements["C"],null);

113
How can I show straight-links

exsurface1.ShowLinksType = exontrol.EXSURFACELib.ShowLinkTypeEnum.exLinkStraight;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Element A",null,null).ID = "A";
	var_Elements.Add("Element B",128,64).ID = "B";
	var_Elements.Add("Element C",128,-64).ID = "C";
exontrol.EXSURFACELib.Links var_Links = exsurface1.Links;
	var_Links.Add(exsurface1.Elements["A"],exsurface1.Elements["B"],null);
	var_Links.Add(exsurface1.Elements["A"],exsurface1.Elements["C"],null);

112
How can I show round-links

exsurface1.ShowLinksType = exontrol.EXSURFACELib.ShowLinkTypeEnum.exLinkRound;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Element A",null,null).ID = "A";
	var_Elements.Add("Element B",128,64).ID = "B";
	var_Elements.Add("Element C",128,-64).ID = "C";
exontrol.EXSURFACELib.Links var_Links = exsurface1.Links;
	var_Links.Add(exsurface1.Elements["A"],exsurface1.Elements["B"],null);
	var_Links.Add(exsurface1.Elements["A"],exsurface1.Elements["C"],null);

111
I've tried to insert a "<br>" in the Caption property text and it just ignores it

exsurface1.BeginUpdate();
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	exontrol.EXSURFACELib.Element var_Element = var_Elements.Add("caption",null,null);
		var_Element.CaptionSingleLine = exontrol.EXSURFACELib.CaptionSingleLineEnum.exCaptionWordWrap;
		var_Element.Caption = "first caption<br>second caption<br>third caption";
exsurface1.EndUpdate();

110
How do I align the extra-caption

exsurface1.BeginUpdate();
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	exontrol.EXSURFACELib.Element var_Element = var_Elements.Add("caption",null,null);
		var_Element.AutoSize = false;
		var_Element.Width = 128;
		var_Element.Height = 64;
		var_Element.ExtraCaption = "extra-caption";
		var_Element.ExtraCaptionAlign = exontrol.EXSURFACELib.ContentAlignmentEnum.exBottomRight;
exsurface1.EndUpdate();

109
How can I add an extra caption

exsurface1.BeginUpdate();
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("caption",null,null).ExtraCaption = "extra-caption";
exsurface1.EndUpdate();

108
I am using the reserve-neighbors feature, the question is how to shift left/right the neighbors instead of up/down
exsurface1.BeginUpdate();
exsurface1.AllowMoveNeighbors = exontrol.EXSURFACELib.MoveNeighborsEnum.exMoveNeighborsHorizontally;
exsurface1.set_DefArrange(exontrol.EXSURFACELib.DefArrangeEnum.exDefArrangeDir,1);
exsurface1.AllowInsertObject = false;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Element <sha ;;0>A",null,null);
	var_Elements.Add("Element <sha ;;0>B ( move it )",16,32);
	var_Elements.Add("Element <sha ;;0>C",128,0);
exsurface1.EndUpdate();

107
I am using the reserve-neighbors feature, the question is if possible to specify the distance between neighbors
exsurface1.BeginUpdate();
exsurface1.AllowMoveNeighbors = exontrol.EXSURFACELib.MoveNeighborsEnum.exMoveNeighborsVertically;
exsurface1.set_DefArrange(exontrol.EXSURFACELib.DefArrangeEnum.exDefArrangeDX,0);
exsurface1.set_DefArrange(exontrol.EXSURFACELib.DefArrangeEnum.exDefArrangeDY,0);
exsurface1.AllowInsertObject = false;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Element <sha ;;0>A",null,null);
	var_Elements.Add("Element <sha ;;0>B ( move it )",0,32);
	var_Elements.Add("Element <sha ;;0>C",0,64);
exsurface1.EndUpdate();

106
How do I enable the reserve-neighbors feature
exsurface1.BeginUpdate();
exsurface1.AllowMoveNeighbors = exontrol.EXSURFACELib.MoveNeighborsEnum.exMoveNeighborsVertically;
exsurface1.AllowInsertObject = false;
exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Element <sha ;;0>A",null,null);
	var_Elements.Add("Element <sha ;;0>B ( move it )",0,32);
	var_Elements.Add("Element <sha ;;0>C",0,64);
exsurface1.EndUpdate();

105
I've noticed that recently, the elements get compacted once the Arrange method is performed. How can I prevent that

exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Element A",null,null).ID = "A";
	var_Elements.Add("Element B",null,null).ID = "B";
	var_Elements.Add("Element C",null,null).ID = "C";
	var_Elements.Add("Element D",null,null).ID = "D";
	var_Elements.Add("Element E",null,null).ID = "E";
	var_Elements.Add("Element E",null,null).ID = "F";
exontrol.EXSURFACELib.Links var_Links = exsurface1.Links;
	var_Links.Add(exsurface1.Elements["A"],exsurface1.Elements["B"],null);
	var_Links.Add(exsurface1.Elements["A"],exsurface1.Elements["C"],null);
	var_Links.Add(exsurface1.Elements["B"],exsurface1.Elements["D"],null);
	var_Links.Add(exsurface1.Elements["B"],exsurface1.Elements["C"],null);
	var_Links.Add(exsurface1.Elements["A"],exsurface1.Elements["E"],null);
	var_Links.Add(exsurface1.Elements["A"],exsurface1.Elements["F"],null);
exsurface1.set_DefArrange(exontrol.EXSURFACELib.DefArrangeEnum.exDefArrangeCompact,false);
exsurface1.Arrange(null);

104
Is it possible to add a link to show from bottom/down to top/up, rather that right to left (method-2)

// AddLink event - A new link has been added to the links collection.
private void exsurface1_AddLink(object sender,exontrol.EXSURFACELib.Link   Link)
{
}
//this.exsurface1.AddLink += new exontrol.EXSURFACELib.exg2antt.AddLinkEventHandler(this.exsurface1_AddLink);

exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Element <sha ;;0>A",null,null);
	var_Elements.Add("Element <sha ;;0>B",48,48);
exontrol.EXSURFACELib.Links var_Links = exsurface1.Links;
	var_Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null);

103
Is it possible to add a link to show from bottom/down to top/up, rather that right to left (method-1)

exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Element <sha ;;0>A",null,null);
	var_Elements.Add("Element <sha ;;0>B",48,48);
exontrol.EXSURFACELib.Links var_Links = exsurface1.Links;
	exontrol.EXSURFACELib.Link var_Link = var_Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null);
		var_Link.StartPos = exontrol.EXSURFACELib.AlignmentEnum.DownAlignment;
		var_Link.EndPos = exontrol.EXSURFACELib.AlignmentEnum.UpAlignment;

102
How do I enable the cross link support ( mixed )

exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Element <sha ;;0>A",null,null);
	var_Elements.Add("Element <sha ;;0>B",0,76);
	exontrol.EXSURFACELib.Element var_Element = var_Elements.Add("Element <sha ;;0>C",-76,32);
		var_Element.AutoSize = false;
		var_Element.Height = 32;
	exontrol.EXSURFACELib.Element var_Element1 = var_Elements.Add("Element <sha ;;0>D",76,32);
		var_Element1.AutoSize = false;
		var_Element1.Height = 32;
exontrol.EXSURFACELib.Links var_Links = exsurface1.Links;
	exontrol.EXSURFACELib.Link var_Link = var_Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null);
		var_Link.StartPos = exontrol.EXSURFACELib.AlignmentEnum.CenterAlignment;
		var_Link.EndPos = exontrol.EXSURFACELib.AlignmentEnum.CenterAlignment;
	exontrol.EXSURFACELib.Link var_Link1 = var_Links.Add(exsurface1.Elements[2],exsurface1.Elements[1],null);
		var_Link1.StartPos = exontrol.EXSURFACELib.AlignmentEnum.CenterAlignment;
		var_Link1.EndPos = exontrol.EXSURFACELib.AlignmentEnum.CenterAlignment;
	var_Links.Add(exsurface1.Elements[3],exsurface1.Elements[4],null);
	exontrol.EXSURFACELib.Link var_Link2 = var_Links.Add(exsurface1.Elements[4],exsurface1.Elements[3],null);
		var_Link2.StartPos = exontrol.EXSURFACELib.AlignmentEnum.LeftAlignment;
		var_Link2.EndPos = exontrol.EXSURFACELib.AlignmentEnum.RightAlignment;
exsurface1.ShowLinks = exontrol.EXSURFACELib.ShowExtendedLinksEnum.exShowCrossLinksMixt | exontrol.EXSURFACELib.ShowExtendedLinksEnum.exShowExtendedLinks;

101
How do I enable the cross link support ( triangular )

exontrol.EXSURFACELib.Elements var_Elements = exsurface1.Elements;
	var_Elements.Add("Element <sha ;;0>A",null,null);
	var_Elements.Add("Element <sha ;;0>B",0,76);
	exontrol.EXSURFACELib.Element var_Element = var_Elements.Add("Element <sha ;;0>C",-76,32);
		var_Element.AutoSize = false;
		var_Element.Height = 32;
	exontrol.EXSURFACELib.Element var_Element1 = var_Elements.Add("Element <sha ;;0>D",76,32);
		var_Element1.AutoSize = false;
		var_Element1.Height = 32;
exontrol.EXSURFACELib.Links var_Links = exsurface1.Links;
	exontrol.EXSURFACELib.Link var_Link = var_Links.Add(exsurface1.Elements[1],exsurface1.Elements[2],null);
		var_Link.StartPos = exontrol.EXSURFACELib.AlignmentEnum.CenterAlignment;
		var_Link.EndPos = exontrol.EXSURFACELib.AlignmentEnum.CenterAlignment;
	exontrol.EXSURFACELib.Link var_Link1 = var_Links.Add(exsurface1.Elements[2],exsurface1.Elements[1],null);
		var_Link1.StartPos = exontrol.EXSURFACELib.AlignmentEnum.CenterAlignment;
		var_Link1.EndPos = exontrol.EXSURFACELib.AlignmentEnum.CenterAlignment;
	var_Links.Add(exsurface1.Elements[3],exsurface1.Elements[4],null);
	exontrol.EXSURFACELib.Link var_Link2 = var_Links.Add(exsurface1.Elements[4],exsurface1.Elements[3],null);
		var_Link2.StartPos = exontrol.EXSURFACELib.AlignmentEnum.LeftAlignment;
		var_Link2.EndPos = exontrol.EXSURFACELib.AlignmentEnum.RightAlignment;
exsurface1.ShowLinks = exontrol.EXSURFACELib.ShowExtendedLinksEnum.exShowCrossLinksTriangle | exontrol.EXSURFACELib.ShowExtendedLinksEnum.exShowExtendedLinks;