void SwapElement(double x, double y)
{
int index = GetIndexFromPoint(x, y);
if (index == _draggedIndex || index < 0)
{
return;
}
if (index >= Children.Count)
{
index = Children.Count - 1;
}
int[] parameter = new int[] { _draggedIndex, index };
if (SwapCommand != null && SwapCommand.CanExecute(parameter))
{
SwapCommand.Execute(parameter);
_draggedElement = Children[index]; //this is bcause after changing the collection the element is other
FillNewDraggedChild(_draggedElement);
_draggedIndex = index;
}
this.InvalidateArrange();
}
