Use the BackColor property to specify the control's background color. Use the BackColorGroup property to specify the default background color used to pain the groups captions. Use the BackColor property to specify the background color group's caption,  Use the BackColorList property to specify the background color of the group's list. Use the ItemBackColor property to specify the item's background color. Use the Picture property to specify the control's picture displayed on its background. Use the group's Picture property to assign a picture the group's list.