public EdgeAdorner(IUIElement adornedElement, ICanvasItem canvasItem, Edge edge) : base(adornedElement, canvasItem)
 {
     Edge = edge;
 }
 public bool ShouldSnap(Edge edge, double value)
 {
     return false;
 }
 public IAdorner CreateEdgeAdorner(IUIElement adornedElement, ICanvasItem item, Edge edge)
 {
     return new EdgeAdorner(adornedElement, item, edge);            
 }
 public bool ShouldSnap(Edge edge, double value)
 {
     return(false);
 }