static bool Remove(ObservableList <TreeNode <TItem> > nodes, Predicate <TreeNode <TItem> > match)
{
var index = nodes.FindIndex(match);
if (index != -1)
{
nodes.RemoveAt(index);
return(true);
}
foreach (var node in nodes)
{
if (node.Nodes == null)
{
continue;
}
if (Remove(node.Nodes, match))
{
return(true);
}
}
return(false);
}
