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

		private TreeNode GetLastExistingNode(string[] namespaceArray, TreeView _
  tvTreeView)
		{
			return tvTreeView.Nodes[tvTreeView.Nodes.Count-1];
		}