private object GetLastExistingNode(string[] namespaceArray, TreeView _
  tvTreeView)
		{
			object nx;
			nx = tvTreeView;
			for (int i = 0; i <= namespaceArray.Length - 1; i++) {
				foreach (TreeNode n in nx.Nodes) {
					if (n.Text == namespaceArray) {
						nx = n;
						goto exitFor0;
					}
				}
				exitFor0: ;
			}
			return nx;
		}

nx = tvTreeView