The control uses the PictureDisplay property to determine how the picture is displayed on the control's background. By default, the control has no picture associated. Use the Picture property to display a picture on the control's background. The BackColor property specifies a solid color to be shown on the control's background. The Background( exCalendarBackColor) property changes the calendar's panel back color if not-zero. You can use the EventsTransparent property to show the events in the control with a transparent color. The PicturesAlign / ExtraPicturesAlign property indicates the alignment of the pictures relative to the borders of the event.

The following screen shot shows the control with a picture on its background (LowerRight):