Checks whether the bitmap source content is from a known site of origin. This method is used to make sure that pixel copying operations are safe.
Assembly: PresentationCore (in PresentationCore.dll)
This method only succeeds if it is passed a Uri that is from a site of origin or that is defined in a pack:. In all other conditions, this method will fail.
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.