private static void Point2Ds_Changed(DependencyObject o, DependencyPropertyChangedEventArgs e)
{
ShapeElement sb = o as ShapeElement;
if (sb != null)
{
Point2DCollection oldValue = e.OldValue as Point2DCollection;
if (oldValue != null)
{
oldValue.CollectionChanged -= new NotifyCollectionChangedEventHandler(sb.Point2Ds_CollectionChanged);
}
Point2DCollection newValue = e.NewValue as Point2DCollection;
if (newValue != null)
{
newValue.CollectionChanged += new NotifyCollectionChangedEventHandler(sb.Point2Ds_CollectionChanged);
}
sb.ScreenUpdated();
}
}
private void Point2Ds_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
