public void UpdateDragDrop(DragEventArgs e)
{
object draggedData = e.Data.GetData(Format.Name);
if (draggedData != null)
{
Point currentPosition = e.GetPosition(_topWindow);
if (_draggedAdorner == null)
{
var adornerLayer = AdornerLayer.GetAdornerLayer(_source);
_draggedAdorner = new DraggedAdorner(draggedData, ItemsControlBehaviors.GetDragDropTemplate(_source), _sourceItemContainer, adornerLayer);
}
_draggedAdorner.SetPosition(currentPosition.X - _initialMousePosition.X + _initialMouseOffset.X, currentPosition.Y - _initialMousePosition.Y + _initialMouseOffset.Y);
}
}
private void RemoveDraggedAdorner()
{
if (_draggedAdorner != null)
{
_draggedAdorner.Detach();
_draggedAdorner = null;
}
}
