// Creates or updates the dragged Adorner.
private void ShowDraggedAdorner(Point currentPosition)
{
if (_draggedAdorner == null)
{
var adornerLayer = AdornerLayer.GetAdornerLayer(_sourceItemsControl);
_draggedAdorner = new DraggedAdorner(_draggedData, GetDragDropTemplate(_sourceItemsControl),
_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;
}
}