private void SetSortAdorner(Visual visual, ref Adorner adorner, bool isSorted, bool isDescendingSort, bool isSecondaryAdorner)
{
if (null != adorner)
{
AdornerLayer.GetAdornerLayer(visual)?.Remove(adorner);
adorner = null;
}
if (isSorted)
{
adorner = new Common.SortAdorner((UIElement)visual, isDescendingSort ? ListSortDirection.Descending : ListSortDirection.Ascending, isSecondaryAdorner);
var adornerLayer = AdornerLayer.GetAdornerLayer(visual); // adornerLayer is valid only after the visual was visible for the first time
if (null != adornerLayer)
{
adornerLayer.Add(adorner);
}
}
}
private void SetSortAdorner(Visual visual, ref Adorner adorner, bool isSorted, bool isDescendingSort, bool isSecondaryAdorner)
{
if (null != adorner)
{
AdornerLayer.GetAdornerLayer(visual).Remove(adorner);
adorner = null;
}
if (isSorted)
{
adorner = new Common.SortAdorner((UIElement)visual, isDescendingSort ? ListSortDirection.Descending : ListSortDirection.Ascending, isSecondaryAdorner);
var adornerLayer = AdornerLayer.GetAdornerLayer(visual); // adornerLayer is valid only after the visual was visible for the first time
if (null != adornerLayer)
adornerLayer.Add(adorner);
}
}
