private void OnDragInitialized(object sender, DragInitializeEventArgs args)
{
var toolBoxItem = args.OriginalSource as ToolboxItem;
if (toolBoxItem != null)
{
var serializer = new SerializationService(null);
var shape = toolBoxItem.Shape;
if (shape != null)
{
args.Data = serializer.SerializeItems(new List<IDiagramItem> { shape as IDiagramItem });
args.DragVisualOffset = new Point(args.RelativeStartPoint.X - (shape.ActualWidth / 2), args.RelativeStartPoint.Y - (shape.ActualHeight / 2));
var draggingImage = new Image
{
Source = new Telerik.Windows.Media.Imaging.RadBitmap(shape).Bitmap,
Width = shape.ActualWidth,
Height = shape.ActualHeight
};
args.DragVisual = draggingImage;
}
}
args.AllowedEffects = DragDropEffects.All;
args.Handled = true;
}
