constants BackModeEnum
Specifies how the control displays the selection. The SelBackMode property specifies the way the selected items are shown in the control. Use the SelBackColor property to specify the background color for selected items in the component. The SelForeColor property specifies the foreground color of the selected item. Use the SelectItem property to selects an item by code. The BackModeEnum type supports the following values:

NameValueDescription
exOpaque0 (Default) The selection is opaque. The selected items overrides any background color or picture. 

The following screen shot shows the selected items ( 10249, 10250, 10251 ), when the SelBackMode on exOpaque:

 

exTransparent1 The selection is transparent. The selected items is combined with background color or picture.

The following screen shot shows the selected items ( 10249, 10250, 10251 ), when the SelBackMode on exTransparent:

 

exGrid2 The control paints a grid selection. The selected items is shown in an array of dots. 

The following screen shot shows the selected items ( 10249, 10250, 10251 ), when the SelBackMode on exTransparent: