public void TestEnsureVisible()
{
NativeTree tree = new NativeTree(testDlg.IdentifyFromDialogId(1041));
tree.EmulateExpand(tree.Nodes[1], true);
IntPtr node = tree.FindNode(1, 99);
RECT native = new RECT();
NativeMethods.GetWindowRect(tree.Handle, out native);
Rectangle rect = new Rectangle(0, 0, native.Right - native.Left + 1, native.Bottom - native.Top + 1);
Assert.IsFalse(rect.Contains(tree.GetItemRect(node, false)));
Assert.IsTrue(tree.EnsureVisible(node));
Assert.IsTrue(rect.Contains(tree.GetItemRect(node, false)));
}