property Surface.Picture as IPictureDisp
Retrieves or sets a graphic to be displayed in the control.

TypeDescription
IPictureDisp A Picture object that's displayed on the control's background.
By default, the control has no picture associated. Use the Picture property to assign your logo on the control's background. The control uses the PictureDisplay property to determine how the picture is displayed on the control's background. The BackColor property specifies a solid color to be shown on the control's background. The Picture property specifies a picture to be displayed on the element's background.

The following screen shot shows a logo on the control's background: