internal CanvasAdorner GenerateDesigningAdornerFormItem(ICanvasItem obj)
{
if (obj == null) throw new ArgumentNullException(nameof(obj));
var entity = obj as IBoxCanvasItem;
var polyLine = obj as IPolyLineCanvasItem;
var e = new DesigningAdornerGeneratingEventArgs(obj);
// Initialize defaults.
if (entity != null)
e.Adorder = new ResizeRotateAdorner(entity);
else if (polyLine != null)
e.Adorder = new PolyLineVerticesAdorner(polyLine);
OnDesigningAdornerGenerating(e);
return e.Adorder;
}
protected virtual void OnDesigningAdornerGenerating(DesigningAdornerGeneratingEventArgs e)
{
DesigningAdornerGenerating?.Invoke(this, e);
}
