private void RemoveDraggedAdorner()
{
if (this.draggedAdorner != null)
{
this.draggedAdorner.Detach();
this.draggedAdorner = null;
}
}
// Adorners
// Creates or updates the dragged Adorner.
private 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);
}