constants BackgroundPartEnum
The BackgroundPartEnum type indicates parts in the control. Use the Background property to specify a background color or a visual appearance for specific parts in the control. A Color expression that indicates the background color for a specified part. The last 7 bits in the high significant byte of the color to indicates the identifier of the skin being used. Use the Add method to add new skins to the control. If you need to remove the skin appearance from a part of the control you need to reset the last 7 bits in the high significant byte of the color being applied to the background's part

NameValueDescription
exToolTipAppearance64 Indicates the visual appearance of the borders of the tooltips. Use the ToolTipPopDelay property specifies the period in ms of time the ToolTip remains visible if the mouse pointer is stationary within a control. The ToolTipDelay property specifies the time in ms that passes before the ToolTip appears. Use the ToolTip property of the Element object to specify the element's tooltip. Use the ToolTipWidth property to specify the width of the tooltip window. Use the ToolTip property of the Link objct to specify the tooltip to be shown when the cursor hovers the link. Use the ShowToolTip method to display a custom tooltip
exToolTipBackColor65 Specifies the tooltip's background color.
exToolTipForeColor66 Specifies the tooltip's foreground color.
exCheckBoxState070 Specifies the visual appearance for the check box in 0 state (unchecked). Use the ShowCheckBox property to show or hide the element's checkbox. Use the Checked property to specify the state of the element's checkbox.
exCheckBoxState171 Specifies the visual appearance for the check box in 1 state (checked). Use the ShowCheckBox property to show or hide the element's checkbox. Use the Checked property to specify the state of the element's checkbox.
exCheckBoxState272 Specifies the visual appearance for the check box in 2 state (partial, reserved). Use the ShowCheckBox property to show or hide the element's checkbox. Use the Checked property to specify the state of the element's checkbox.
exRadioButtonState073 (reserved) Specifies the visual appearance for the radio button in 0 state (unchecked).
exRadioButtonState174 (reserved) Specifies the visual appearance for the radio button in 1 state (checked).
exCreateObjectColor75 Specifies the color to show the creation rectangle when the user creates a new object. The AllowCreateObject property specifies the combination of keys that allows the user to create objects on the surface.
exSelectObjectRectColor76 Specifies the color to show the selection rectangle when the objects are selected by dragging. The AllowSelectObjectRect property specifies the keys combination so the user can select the elements from the dragging rectangle. The SelectObjectColor / SelectObjectTextColor property specifies the colors to show the selected elements ( while the control has the focus ). The SelectObjectColorInactive / SelectObjectTextColorInactive property specifies the color to show the selected elements ( while the control is not focused ). The SelectObjectStyle property specifies the style to show the selected elements ( like changing the element's background/foreground colors, showing a border around the selected elements, and so on ).
exElementHostWindowBackColor77 Specifies the visual appearance of the element of window/control type while dragging.
exEditBackColor78 Specifies the background color while element is editing. Use the Edit method to allow inline editing of the element's caption or extracaption.
exEditForeColor79 Specifies the foreground color while element is editing. Use the Edit method to allow inline editing of the element's caption or extracaption.
exEditSelBackColor80 Specifies the selection background color while element is editing. Use the Edit method to allow inline editing of the element's caption or extracaption.
exEditSelForeColor81 Specifies the selection foreground color while element is editing. Use the Edit method to allow inline editing of the element's caption or extracaption.
exLinkObjectsInvalidColor82 Specifies the color to display an invalid link, when the user links two objects. The AllowLink event notifies your application that the user links two elements on the surface.
exLinkObjectsValidColor83 Specifies the color to display a valid link, when the user links two objects. The AllowLink event notifies your application that the user links two elements on the surface.
exTreeGlyphCollapsed84 Specifies the visual appearance to show the glyph next to the collapsed element. The Expanded property specifies whether the element is expanded or collapsed. The ExpadedLinkedElements property specifies whether the element that has outgoing links displays the +/- expanding button.
exTreeGlyphExpanded85 Specifies the visual appearance to show the glyph next to the expanded element. The Expanded property specifies whether the element is expanded or collapsed. The ExpadedLinkedElements property specifies whether the element that has outgoing links displays the +/- expanding button.
exHoverInsertObject86 Specifies the visual appearance to display the border of the element where the dragging object is about to be inserted.
exHoverInsertObjectGlyph87 Specifies the visual appearance of the glyph where the dragging object is about to be inserted.
exElementBorderColor88 Specifies the color or the visual appearance of the element's border. If the property is set on -1, no border is shown. The BorderColor property specifies the color to show the border for a specific element. The BorderPadding property specifies the border padding.
exElementStatusColor89 Specifies the color or the visual appearance of the element's status. If the property is set on -1, no status is shown. Still, the element's StatusSize should be set on 0. The StatusColor property specifies the color or the visual appearance to show the element's status part. The StatusPattern property specifies the pattern to show the element's status part. The StatusAlign property indicates the alignment of the element's status.
exElementBackColor90 Specifies the color or the visual appearance of the element's background. If -1, the element's background is transparent. The BackColor property defines the element's background color or visual appearance. 
exElementForeColor91 Specifies the element's foreground color. The ForeColor property defines the element's foreground color or visual appearance.
exContextMenuAppearance99 Specifies the visual appearance of the control's context menu.
exContextMenuBackColor100 Specifies the solid background color for the control's context menu.
exContextMenuForeColor101 Specifies the text foreground color for the control's context menu.
exContextMenuSelBackColor102 Specifies the solid/EBN selection's background color in the control's context menu.
exContextMenuSelBorderColor103 Specifies the solid color to show the selection in the control's context menu.
exContextMenuSelForeColor104 Specifies the selection's text foreground color in the control's context menu.
exToolBarAppearance148 exToolBarAppearance. Specifies the visual appearance of the surface's toolbar panel.
exToolBarBackColor149 exToolBarBackColor. Specifies the background color of the surface's toolbar panel.
exToolBarForeColor150 exToolBarForeColor. Specifies the foreground color of the surface's toolbar panel.
exToolBarButtonUpBackColor151 exToolBarButtonUpBackColor. Specifies the visual appearance of the toolbar's button while it is up.
exToolBarButtonUpForeColor152 exToolBarButtonUpForeColor. Specifies the foreground color of the toolbar's button while it is up.
exToolBarButtonDownBackColor153 exToolBarButtonDownBackColor. Specifies the visual appearance of the toolbar's button while it is down.
exToolBarButtonDownForeColor154 exToolBarButtonDownForeColor. Specifies the foreground color of the toolbar's button while it is down.
exToolBarButtonHotBackColor155 exToolBarButtonHotBackColor. Specifies the visual appearance of the toolbar's button while the cursor hovers it.
exToolBarButtonHotForeColor156 exToolBarButtonHotForeColor. Specifies the foreground color of the toolbar's button while the cursor hovers it.