FairyGUI.TreeView.AddSelection C# (CSharp) Method

        public void AddSelection(TreeNode node, bool scrollItToView = false)
        {
            TreeNode parentNode = node.parent;
            while (parentNode != null && parentNode != root)
            {
                parentNode.expanded = true;
                parentNode = parentNode.parent;
            }
            list.AddSelection(list.GetChildIndex(node.cell), scrollItToView);
        }

 static public int AddSelection(IntPtr l)
 {
     try {
         FairyGUI.TreeView self = (FairyGUI.TreeView)checkSelf(l);
         FairyGUI.TreeNode a1;
         checkType(l, 2, out a1);
         System.Boolean a2;
         checkType(l, 3, out a2);
         self.AddSelection(a1, a2);
         pushValue(l, true);
         return(1);
     }
     catch (Exception e) {
         return(error(l, e));
     }
 }