BackgroundPartEnum Constants (Expression)

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.

If you refer a part of the scroll bar please notice the following:

All BackgroundPartEnum expressions that starts with exVS changes a part in a vertical scroll bar
All BackgroundPartEnum expressions that starts with exHS changes a part in the horizontal scroll bar
Any BackgroundPartEnum expression that ends with P ( and starts with exVS or exHS ) specifies a part of the scrollbar when it is pressed.
Any BackgroundPartEnum expression that ends with D ( and starts with exVS or exHS ) specifies a part of the scrollbar when it is disabled.
Any BackgroundPartEnum expression that ends with H ( and starts with exVS or exHS ) specifies a part of the scrollbar when the cursor hovers it.
Any BackgroundPartEnum expression that ends with no H, P or D ( and starts with exVS or exHS ) specifies a part of the scrollbar on normal state

Name	Value	Description
exHSplitterApp	0	Specifies the visual appearance for the horizontal split bar.
exVSplitterApp	1	Specifies the visual appearance for the vertical split bar.
exISplitterApp	2	Specifies the visual appearance for the intersection between splitters.
exSizeGrip	3	Specifies the visual appearance for control's size grip.
exToolTipAppearance	64	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. Use the ToolTipWidth property to specify the width of the tooltip window. The ToolTipDelay property specifies the time in ms that passes before the ToolTip appears.
exToolTipBackColor	65	Specifies the tooltip's background color.
exToolTipForeColor	66	Specifies the tooltip's foreground color.
exVSUp	256	The up button in normal state.
exVSUpP	257	The up button when it is pressed.
exVSUpD	258	The up button when it is disabled.
exVSUpH	259	The up button when the cursor hovers it.
exVSThumb	260	The thumb part (exThumbPart) in normal state.
exVSThumbP	261	The thumb part (exThumbPart) when it is pressed.
exVSThumbD	262	The thumb part (exThumbPart) when it is disabled.
exVSThumbH	263	The thumb part (exThumbPart) when cursor hovers it.
exVSDown	264	The down button in normal state.
exVSDownP	265	The down button when it is pressed.
exVSDownD	266	The down button when it is disabled.
exVSDownH	267	The down button when the cursor hovers it.
exVSLower	268	The lower part ( exLowerBackPart ) in normal state.
exVSLowerP	269	The lower part ( exLowerBackPart ) when it is pressed.
exVSLowerD	270	The lower part ( exLowerBackPart ) when it is disabled.
exVSLowerH	271	The lower part ( exLowerBackPart ) when the cursor hovers it.
exVSUpper	272	The upper part ( exUpperBackPart ) in normal state.
exVSUpperP	273	The upper part ( exUpperBackPart ) when it is pressed.
exVSUpperD	274	The upper part ( exUpperBackPart ) when it is disabled.
exVSUpperH	275	The upper part ( exUpperBackPart ) when the cursor hovers it.
exVSBack	276	The background part ( exLowerBackPart and exUpperBackPart ) in normal state.
exVSBackP	277	The background part ( exLowerBackPart and exUpperBackPart ) when it is pressed.
exVSBackD	278	The background part ( exLowerBackPart and exUpperBackPart ) when it is disabled.
exVSBackH	279	The background part ( exLowerBackPart and exUpperBackPart ) when the cursor hovers it.
exHSLeft	384	The left button in normal state.
exHSLeftP	385	The left button when it is pressed.
exHSLeftD	386	The left button when it is disabled.
exHSLeftH	387	The left button when the cursor hovers it.
exHSThumb	388	The thumb part (exThumbPart) in normal state.
exHSThumbP	389	The thumb part (exThumbPart) when it is pressed.
exHSThumbD	390	The thumb part (exThumbPart) when it is disabled.
exHSThumbH	391	The thumb part (exThumbPart) when the cursor hovers it.
exHSRight	392	The right button in normal state.
exHSRightP	393	The right button when it is pressed.
exHSRightD	394	The right button when it is disabled.
exHSRightH	395	The right button when the cursor hovers it.
exHSLower	396	The lower part (exLowerBackPart) in normal state.
exHSLowerP	397	The lower part (exLowerBackPart) when it is pressed.
exHSLowerD	398	The lower part (exLowerBackPart) when it is disabled.
exHSLowerH	399	The lower part (exLowerBackPart) when the cursor hovers it.
exHSUpper	400	The upper part (exUpperBackPart) in normal state.
exHSUpperP	401	The upper part (exUpperBackPart) when it is pressed.
exHSUpperD	402	The upper part (exUpperBackPart) when it is disabled.
exHSUpperH	403	The upper part (exUpperBackPart) when the cursor hovers it.
exHSBack	404	The background part (exLowerBackPart and exUpperBackPart) in normal state.
exHSBackP	405	The background part (exLowerBackPart and exUpperBackPart) when it is pressed.
exHSBackD	406	The background part (exLowerBackPart and exUpperBackPart) when it is disabled.
exHSBackH	407	The background part (exLowerBackPart and exUpperBackPart) when the cursor hovers it.
exSBtn	324	All button parts ( L1-L5, LButton, exThumbPart, RButton, R1-R6 ), in normal state.
exSBtnP	325	All button parts ( L1-L5, LButton, exThumbPart, RButton, R1-R6 ), when it is pressed.
exSBtnD	326	All button parts ( L1-L5, LButton, exThumbPart, RButton, R1-R6 ), when it is disabled.
exSBtnH	327	All button parts ( L1-L5, LButton, exThumbPart, RButton, R1-R6 ), when the cursor hovers it .
exVSThumbExt	503	The thumb-extension part in normal state.
exVSThumbExtP	504	The thumb-extension part when it is pressed.
exVSThumbExtD	505	The thumb-extension part when it is disabled.
exVSThumbExtH	506	The thumb-extension when the cursor hovers it.
exHSThumbExt	507	The thumb-extension in normal state.
exHSThumbExtP	508	The thumb-extension when it is pressed.
exHSThumbExtD	509	The thumb-extension when it is disabled.
exHSThumbExtH	510	The thumb-extension when the cursor hovers it.