int GetDepth(TreeViewItem item)
{
FrameworkElement elem = item;
FrameworkElement parent = UtilMethods.FindAncestor <FrameworkElement>(elem);
while (parent != null)
{
parent = UtilMethods.FindAncestor <FrameworkElement>(elem);
var tvi = parent as TreeViewItem;
if (null != tvi)
{
return(GetDepth(tvi) + 1);
}
elem = parent;
}
return(0);
}