Relative contribution of the third vertex of a mesh triangle to the point at which that triangle was intersected by the hit test, expressed as a value between zero and 1.
Assembly: PresentationCore (in PresentationCore.dll)
Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.