Source. Check IfSite OfOrigin 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.
protected: void CheckIfSiteOfOrigin();
[System.Security.SecurityCritical] [System.Security.SecurityTreatAsSafe] protected void CheckIfSiteOfOrigin ();
member this.CheckIfSiteOfOrigin : unit -> unit
Protected Sub CheckIfSiteOfOrigin ()
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.