void RemoveDraggedAdorner()
{
if (this._draggedAdorner != null)
{
this._draggedAdorner.Detach();
this._draggedAdorner = null;
}
}
void ShowDraggedAdorner(Point currentPosition)
{
if (this._draggedAdorner == null)
{
var adornerLayer = AdornerLayer.GetAdornerLayer(this._sourceItemsControl);
this._draggedAdorner = new DraggedAdorner(this._draggedData, GetDragDropTemplate(this._sourceItemsControl), this._sourceItemContainer, adornerLayer);
}
this._draggedAdorner.SetPosition(currentPosition.X - this._initialMousePosition.X + this._initialMouseOffset.X, currentPosition.Y - this._initialMousePosition.Y + this._initialMouseOffset.Y);
}
