/// <summary>
/// Handles event fired when a child item is removed from the current item.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ChildItems_BeforeItemRemoved(object sender, BeforeItemRemovedEventArgs e)
{
QSetItemTreeNode removedNode = (QSetItemTreeNode)base.Nodes[e.RemovedAt];
base.Nodes.RemoveAt(e.RemovedAt);
removedNode.Dispose();
}
