Hello. I have:

private void BiPoleTree_OnActiveNodeChanged(object sender, ActiveNodeChangedEventArgs e)
{
if (e.NewActiveTreeNode.Manager.ParentNode == null)
{

var parentIndex = e.NewActiveTreeNode.Index;
foreach (var node in BiPoleTree.Nodes[parentIndex].Nodes)
{
BiPoleTree.SelectionSettings.SelectedNodes.Add(node);
}
}
}

NodeSelection = TreeSelectionType.Multiple has been set in xaml. So when the event gets fired nothing happens unless I hold the control key. Is there any way around that? What is the best way to handle that?