BackgroundPartEnum Constants (ExGantt)

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
exHeaderFilterBarButton	0	Specifies the background color for the drop down filter bar button. Use the DisplayFilterButton property to specify whether the drop down filter bar button is visible or hidden.
exFooterFilterBarButton	1	Specifies the background color for the closing button in the filter bar. Use the ClearFilter method to remove the filter from the control.
exCellButtonUp	2	Specifies the background color for the cell's button, when it is up. Use the CellHasButton property to assign a button to a cell.
exCellButtonDown	3	Specifies the background color for the cell's button, when it is down. Use the CellHasButton property to assign a button to a cell.
exDateHeader	8	Specifies the visual appearance for the header in a calendar control.
exDateTodayUp	9	Specifies the visual appearance for the today button in a calendar control, when it is up.
exDateTodayDown	10	Specifies the visual appearance for the today button in a calendar control, when it is down.
exDateScrollThumb	11	Specifies the visual appearance for the scrolling thumb in a calendar control.
exDateScrollRange	12	Specifies the visual appearance for the scrolling range in a calendar control.
exDateSeparatorBar	13	Specifies the visual appearance for the separator bar in a calendar control.
exDateSelect	14	Specifies the visual appearance for the selected date in a calendar control.
exSplitBar	15	Specifies the visual appearance for control's split bar. The split bar splits the control and chart area.
exSelBackColorFilter	20	Specifies the visual appearance for the selection in the drop down filter window. The drop down filter window shows up when the user clicks the filter button in the column's header. Use the DisplayFilterButton property to specify whether the drop down filter bar button is visible or hidden.
exSelForeColorFilter	21	Specifies the foreground color for the selection in the drop down filter window.
exBackColorFilter	26	Specifies the background color for the drop down filter window. If not specified, the BackColorHeader property specifies the drop down filter's background color. Use the exSelBackColorFilter option to specify the selection background visual appearance in the drop down filter window.
exForeColorFilter	27	Specifies the foreground color for the drop down filter window. If not specified, the ForeColorHeader property specifies the drop down filter's foreground color. Use the exSelForeColorFilter option to specify the selection foreground color in the drop down filter window.
exSortBarLinkColor	28	Indicates the color or the visual appearance of the links between columns in the control's sort bar.
exCursorHoverColumn	32	Specifies the visual appearance for the column when the cursor hovers the column. By default, the exCursorHoverColumn property is zero, and it has no effect, so the visual appearance for the column is not changed when the cursor hovers the header.
exDragDropBefore	33	Specifies the visual appearance for the drag and drop cursor before showing the items. This option can be used to apply a background to the dragging items, before painting the items.
exDragDropAfter	34	Specifies the visual appearance for the drag and drop cursor after showing the items. This option can be used to apply a semi-transparent/opaque background to the dragging items, after painting the items. If the exDragDropAfter option is set on white ( 0x00FFFFFF ), the image is not showing on OLE Drag and drop.
exDragDropListTop	35	Specifies the graphic feedback of the item from the drag and drop cursor if the cursor is in the top half of the row. Please note, that if a visual effect is specified for exDragDropListOver AND exDragDropListBetween states, and a visual effect is specified for exDragDropListTop OR/AND exDragDropListBottom state(s), the exDragDropListTop visual effect is displayed ONLY if the cursor is over the first visible item, and the exDragDropListBottom visual effect is shown ONLY for the last visible item. Use the ItemFromPoint property to retrieve the hit test code for the part from the cursor. This option can be changed during the OLEDragOver event to change the visual effect for the item from the cursor at runtime.
exDragDropListBottom	36	Specifies the graphic feedback of the item from the drag and drop cursor if the cursor is in the bottom half of the row. Please note, that if a visual effect is specified for exDragDropListOver AND exDragDropListBetween states, and a visual effect is specified for exDragDropListTop OR/AND exDragDropListBottom state(s), the exDragDropListTop visual effect is displayed ONLY if the cursor is over the first visible item, and the exDragDropListBottom visual effect is shown ONLY for the last visible item. Use the ItemFromPoint property to retrieve the hit test code for the part from the cursor. This option can be changed during the OLEDragOver event to change the visual effect for the item from the cursor at runtime.
exDragDropForeColor	37	Specifies the foreground color for the items being dragged. By default, the foreground color is black.
exDragDropListOver	38	Specifies the graphic feedback of the item from the cursor if it is over the item. Please note, that if a visual effect is specified for exDragDropListOver AND exDragDropListBetween states, and a visual effect is specified for exDragDropListTop OR/AND exDragDropListBottom state(s), the exDragDropListTop visual effect is displayed ONLY if the cursor is over the first visible item, and the exDragDropListBottom visual effect is shown ONLY for the last visible item. Use the ItemFromPoint property to retrieve the hit test code for the part from the cursor.
exDragDropListBetween	39	Specifies the graphic feedback of the item when the drag and drop cursor is between items. Please note, that if a visual effect is specified for exDragDropListOver AND exDragDropListBetween states, and a visual effect is specified for exDragDropListTop OR/AND exDragDropListBottom state(s), the exDragDropListTop visual effect is displayed ONLY if the cursor is over the first visible item, and the exDragDropListBottom visual effect is shown ONLY for the last visible item. Use the ItemFromPoint property to retrieve the hit test code for the part from the cursor. This option can be changed during the OLEDragOver event to change the visual effect for the item from the cursor at runtime.
exDragDropAlign	40	Specifies the alignment of the drag and drop image relative to the cursor. By default, the exDragDropAlign option is 0, which initially the drag and drop image is shown centered relative to the position of the cursor. The valid values are listed as follows (hexa representation): 0x00000000, (default), the drag and drop image is shown centered relative to the cursor, and shows up. 0x01000000, (left), the drag and drop image is shown to the left of the cursor. 0x02000000, (right), the drag and drop image is shown to the right of the cursor. 0x04000000, (center-down), the drag and drop image is shown centered relative to the cursor, and shows down. 0xFF000000, (as- is), the drag and drop image is shown as it is clicked.
exHeaderFilterBarActive	41	exHeaderFilterBarActive. Specifies the visual appearance of the drop down filter bar button, while filter is applied to the column.
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. The ToolTipDelay property specifies the time in ms that passes before the ToolTip appears. Use the CellToolTip property to specify the cell's tooltip. Use the ToolTipWidth property to specify the width of the tooltip window. Use the ItemBar(,,exBarToolTip) property to specify a tooltip for a bar. Use the Link(,exLinkToolTip) property to specify the tooltip to be shown when the cursor hovers the link. Use the ShowToolTip method to display a custom tooltip
exToolTipBackColor	65	Specifies the tooltip's background color.
exToolTipForeColor	66	Specifies the tooltip's foreground color.
exColumnsFloatBackColor	87	Specifies the background color for the Columns float bar.
exColumnsFloatScrollBackColor	88	Specifies the background color for the scroll bars in the Columns float bar.
exColumnsFloatScrollPressBackColor	89	Specifies the background color for the scroll bars in the Columns float bar, while the scroll part is pressed.
exColumnsFloatScrollUp	90	Specifies the visual appearance of the up scroll bar.
exColumnsFloatScrollDown	91	Specifies the visual appearance of the down scroll bar.
exColumnsFloatAppearance	92	Specifies the visual appearance for the frame/borders of the Column's float bar
exColumnsFloatCaptionBackColor	93	Specifies the visual appearance for caption, if the Background(exColumnsFloatAppearance) property is specified.
exColumnsFloatCaptionForeColor	94	Specifies the foreground color for the caption, if the Background(exColumnsFloatAppearance) property is specified.
exColumnsFloatCloseButton	95	Specifies the visual appearance for the closing button, if the Background(exColumnsFloatAppearance) property is specified.
exListOLEDropPosition	96	By default, the exListOLEDropPosition is 0, which means no effect. Specifies the visual appearance of the dropping position over the list part of the control, when it is implied in a OLE Drag and Drop operation. The exListOLEDropPosition has effect only if different than 0, and the OLEDropMode property is not exOLEDropNone. For instance, set the Background(exListOLEDropPosition) property on RGB(0,0,255), and a blue line is shown at the item where the cursor is hover the list part of the control, during an OLE Drag and Drop position. The OLEDragDrop event notifies your application once an object is drop in the control.
exChartOLEDropPosition	97	By default, the exChartOLEDropPosition is 0, which means no effect. Specifies the visual appearance of the dropping position over the chart part of the control, when it is implied in a OLE Drag and Drop operation. The exChartOLEDropPosition has effect only if different than 0, and the OLEDropMode property is not exOLEDropNone. For instance, set the Background(exChartOLEDropPosition) property on RGB(0,0,255), and a blue line is shown at the date-time position where the cursor is hover the chart part of the control, during an OLE Drag and Drop position. The OLEDragDrop event notifies your application once an object is drop in the control.
exCursorHoverCellButton	157	Specifies the visual appearance for the cell's button when the cursor hovers it.
exSelBackColorHide	166	Specifies the selection's background color, when the control has no focus.
exSelForeColorHide	167	Specifies the selection's foreground color, when the control has no focus.
exTreeGlyphOpen	180	Specifies the visual appearance for the +/- buttons when it is collapsed.
exTreeGlyphClose	181	Specifies the visual appearance for the +/- buttons when it is expanded.
exColumnsPositionSign	182	Specifies the visual appearance for the position sign between columns, when the user changes the position of the column by drag an drop.
exTreeLinesColor	186	exTreeLinesColor. Specifies the color to show the tree-lines (connecting lines from the parent to the children)
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 .
exScrollHoverAll	500	Enables or disables the hover-all feature. By default (Background(exScrollHoverAll) = 0), the left/top, right/bottom and thumb parts of the control' scrollbars are displayed in hover state while the cursor hovers any part of the scroll bar (hover-all feature). The hover-all feature is available on Windows 11 or greater, if only left/top, right/bottom, thumb, lower and upper-background parts of the scrollbar are visible, no custom visual-appearance is applied to any visible part. The hover-all feature is always on If Background(exScrollHoverAll) = -1. The Background(exScrollHoverAll) = 1 disables the hover-all feature.
exVSThumbExt	503	exVSThumbExt. The thumb-extension part in normal state.
exVSThumbExtP	504	exVSThumbExtP. The thumb-extension part when it is pressed.
exVSThumbExtD	505	exVSThumbExtD. The thumb-extension part when it is disabled.
exVSThumbExtH	506	exVSThumbExtH. The thumb-extension when the cursor hovers it.
exHSThumbExt	507	exHSThumbExt. The thumb-extension in normal state.
exHSThumbExtP	508	exHSThumbExtP. The thumb-extension when it is pressed.
exHSThumbExtD	509	exHSThumbExtD. The thumb-extension when it is disabled.
exHSThumbExtH	510	exHSThumbExtH. The thumb-extension when the cursor hovers it.
exScrollSizeGrip	511	Specifies the visual appearance of the control's size grip when both scrollbars are shown.