property Calendar.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. The control uses the PictureDisplay property to determine how the picture is displayed on the control's background. Use the BackColor property to specify the control's background color. You can use the Picture property to add your logo on the control's background. The /NET version provides the BackgroundImage property.

The following screen shot show a picture on the control's background: