Ctrl＋LでSceneビューのUILayer表示非表示を切り替える

ShortcutContextItems.cs

#if UNITY_EDITOR
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEditor;
using System;

namespace AILib.Editor
{

    public class ShortcutContectItems
    {

        [MenuItem("SceneView/UILayerShowHide %L")]
        static void SceneUILayerShow()
        {
            if((Tools.visibleLayers & (1 << LayerMask.NameToLayer("UI"))) != 0)
            {
                Tools.visibleLayers = ~(1 << LayerMask.NameToLayer("UI"));
            }
            else
            {
                Tools.visibleLayers |= (1 << LayerMask.NameToLayer("UI"));
            }

            SceneView.RepaintAll();
        }

    }

}

#endif //UNITY_EDITOR: