/// <summary>
    /// 在旁边绘制可以选择创建的节点,如果当前有选中的话绘制该节点的具体属性
    /// </summary>
    void DrawNodesOnTheSide()
    {
        GUILayout.BeginArea(new Rect(position.width - 200, 0, 200, position.width));
        DrawNodesToCreate();

        if (curSelectedNode)
        {
            EditorGUILayout.Separator();

            curSelectedNode.DrawProperty();
        }
        GUILayout.EndArea();
    }