BitmapSource.CheckIfSiteOfOrigin Method ()
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.
Available since 3.0