Use the PictureLevelHeader property to display a picture on the control's header bar when it displays the columns using multiple levels. Use the PictureDisplayLevelHeader property to arrange the picture on the control's multiple levels header bar. The control's header bar displays multiple levels if there are two or more neighbor columns with the same non empty level key. Use the LevelKey property to specify the control's level key. Use the Picture property to display a picture on the control's list area. Use the BackColorLevelHeader property to specify the background color for parts of the control's header bar that are not occupied by column's headers.