private void RemoveInsertionAdorner()
{
if (_insertionAdorner == null)
{
return;
}
_insertionAdorner.Detach();
_insertionAdorner = null;
}
private void CreateInsertionAdorner()
{
if (_targetItemContainer == null)
{
return;
}
// Here, I need to get adorner layer from targetItemContainer and not targetItemsControl.
// This way I get the AdornerLayer within ScrollContentPresenter, and not the one under AdornerDecorator (Snoop is awesome).
// If I used targetItemsControl, the adorner would hang out of ItemsControl when there's a horizontal scroll bar.
var adornerLayer = AdornerLayer.GetAdornerLayer(_targetItemContainer);
_insertionAdorner = new InsertionAdorner(_hasVerticalOrientation, _isInFirstHalf, _targetItemContainer, adornerLayer);
}