private void UpdateDragAdorner(Point point)
{
if (_visualBrushDragAdorner != null)
{
_visualBrushDragAdorner.UpdatePosition(point.X, point.Y);
}
}
private void InitializeDragAdorner(Rectangle sourceRectangle, Point point)
{
if (_visualBrushDragAdorner == null)
{
var adornerLayer = AdornerLayer.GetAdornerLayer(sourceRectangle);
adornerLayer.IsHitTestVisible = false;
_visualBrushDragAdorner = new VisualBrushDragAdorner(sourceRectangle, adornerLayer);
_visualBrushDragAdorner.UpdatePosition(point.X, point.Y);
}
}