private void SelectThumb(MultiPointThumb mprt)
{
PointCollection points = GetPointCollection();
Point p = points[mprt.Index];
_selectedPoints.Add(mprt.Index, p);
mprt.IsPrimarySelection = false;
}
protected DesignerThumb CreateThumb(PlacementAlignment alignment, Cursor cursor, int index)
{
DesignerThumb designerThumb = new MultiPointThumb { Index = index, Alignment = alignment, Cursor = cursor, IsPrimarySelection = true };
AdornerPlacement ap = Place(designerThumb, alignment, index);
(designerThumb as MultiPointThumb).AdornerPlacement = ap;
AdornerPanel.SetPlacement(designerThumb, ap);
adornerPanel.Children.Add(designerThumb);
DragListener drag = new DragListener(designerThumb);
WeakEventManager<DesignerThumb, MouseButtonEventArgs>.AddHandler(designerThumb, "PreviewMouseLeftButtonDown", ResizeThumbOnMouseLeftButtonUp);
drag.Started += drag_Started;
drag.Changed += drag_Changed;
drag.Completed += drag_Completed;
return designerThumb;
}
