void MainForm_Load (object sender, EventArgs e)
	{
		InstructionsForm instructionsForm = new InstructionsForm ();
		instructionsForm.Show ();

		for (int i = 0; i < 40; i++) {
			TreeNode node = _treeView.Nodes.Add ("Node #" + i.ToString (CultureInfo.InvariantCulture));
			for (int j = 0; j < 5; j++) {
				TreeNode childLevelOne = node.Nodes.Add (string.Format (CultureInfo.InvariantCulture,
					"Childnode #{0}.{1} Level 1", i, j));
				for (int k = 0; k < 3; k++) {
					TreeNode childLevelTwo = childLevelOne.Nodes.Add (string.Format (CultureInfo.InvariantCulture,
						"Childnode #{0}.{1}.{2} Level 2", i, j, k));
					for (int l = 0; l < 2; l++) {
						TreeNode childLevelThree = childLevelTwo.Nodes.Add (string.Format (CultureInfo.InvariantCulture,
							"Childnode #{0}.{1}.{2}.{3} Level 3", i, j, k, l));
						for (int m = 0; m < 2; m++) {
							childLevelThree.Nodes.Add (string.Format (CultureInfo.InvariantCulture,
								"Childnode #{0}.{1}.{2}.{3}.{4} Level 4 With Some Very Long Text",
								i, j, k, l, m));
						}
					}
				}
			}
		}
		_treeView.ExpandAll ();
	}

	static void Main ()
	{
		InstructionsForm instructionsForm = new InstructionsForm ();
		instructionsForm.Show ();

		NativeWindow nw = new NativeWindow ();

		CreateParams cp = new CreateParams ();

		cp.Caption = "bug #80817";
		cp.X = 100;
		cp.Y = 100;
		cp.Width = 400;
		cp.Height = 600;
		cp.ClassStyle = (int) (ClassStyle.CS_VREDRAW | ClassStyle.CS_HREDRAW);
		cp.Style = (int) WindowStyles.WS_OVERLAPPEDWINDOW;

		// create the window.
		nw.CreateHandle (cp);
		ShowWindow (nw.Handle, WindowPlacementFlags.SW_SHOWNORMAL);
		UpdateWindow (nw.Handle);

		MSG msg = new MSG ();

		while (GetMessage (ref msg, 0, 0, 0) > 0) {
			TranslateMessage (ref msg);
			DispatchMessage (ref msg);
		}
	}