int Com.IOleControlSite.TransformCoords (Native.POINT pPtlHimetric, Native.POINTF pPtfContainer, int dwFlags) { throw new NotImplementedException (); }
int Com.IDocHostUIHandler.ShowContextMenu( int dwID, ref Native.POINT pt, object pcmdtReserved, object pdispReserved) => IsContextMenuEnabled ? Native.S_FALSE : Native.S_OK;