Use this property to mask out pixels of a given value; pixels whose color match the value of this property are not rendered;
Note that the transparent color can be assigned for a specific image using the TransparentColor property.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, 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