| protected RetrieveVertexFromDrawingVisual ( System.Windows.Media.DrawingVisual oDrawingVisual ) : IVertex | ||
| oDrawingVisual | System.Windows.Media.DrawingVisual | |
| return | IVertex | |
RetrieveVertexFromDrawingVisual
(
DrawingVisual oDrawingVisual
)
{
Debug.Assert(oDrawingVisual != null);
AssertValid();
Object oVertexAsObject =
oDrawingVisual.GetValue(FrameworkElement.TagProperty);
Debug.Assert(oVertexAsObject is IVertex);
return ( (IVertex)oVertexAsObject );
}
