public void TestGetBrotherNodes()
        {
            NativeTree tree = new NativeTree(testDlg.IdentifyFromDialogId(1041));
            AssertEx.AreEqual(tree.Nodes, tree.GetBrotherNodes(tree.Nodes[0]));
            IntPtr[] brother = tree.GetBrotherNodes(tree.FindNode(0, 0));
            Assert.AreEqual("1", tree.GetItemText(brother[0]));
            Assert.AreEqual("2", tree.GetItemText(brother[1]));

            //途中から取得してもすべて列挙されること
            brother = tree.GetBrotherNodes(tree.FindNode(0, 1));
            Assert.AreEqual("1", tree.GetItemText(brother[0]));
            Assert.AreEqual("2", tree.GetItemText(brother[1]));
        }