public Brush BackgroundColor {get; set;}
get_BackgroundColor();
set_BackgroundColor(value);
This property is used to fill the area outside the image in the spy glass.
For an example, refer to ImageViewerSpyGlassInteractiveMode.
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2