/// <summary>
        /// インスペクタを表示.
        /// </summary>
        void OnGUI()
        {
            Initialize();

            // カタログアセットを取得/作成
            catalog = catalog
                      ?? AssetDatabase.FindAssets("t:" + typeof(SymbolCatalog).Name)
                      .Select(x => AssetDatabase.LoadAssetAtPath(AssetDatabase.GUIDToAssetPath(x), typeof(SymbolCatalog)) as SymbolCatalog)
                      .FirstOrDefault()
                      ?? CreateCatalog();

            //変更チェック.PlayerSettingsなどで直接変えた場合も検知.
            string define = PlayerSettings.GetScriptingDefineSymbolsForGroup(EditorUserBuildSettings.selectedBuildTargetGroup);

            if (currentDefine != define)
            {
                currentDefine = define;
                catalog.Revert();
            }

            using (var svs = new EditorGUILayout.ScrollViewScope(scrollPosition))
            {
                scrollPosition = svs.scrollPosition;

                //
                GUILayout.Label(new GUIContent("   Available Script Symbol Define", EditorGUIUtility.ObjectContent(catalog, typeof(SymbolCatalog)).image), styleTitle);

                //シンボルリスト表示.
                ro.list = catalog.list;
                ro.DoLayoutList();


                using (new EditorGUILayout.HorizontalScope())
                {
                    GUILayout.FlexibleSpace();

                    //Applyボタン. PlayerSettingsのDefineSymbolに適用.
                    using (new EditorGUI.DisabledGroupScope(EditorApplication.isCompiling))
                    {
                        if (GUILayout.Button(contentApply, GUILayout.Width(57)))
                        {
                            catalog.Apply();
                        }
                    }
                }
            }

            //コンパイル中.
            if (EditorApplication.isCompiling)
            {
                Repaint();
            }
        }
        /// <summary>新しいScript Define Symbolsアセットを生成します.</summary>
        static SymbolCatalog CreateCatalog()
        {
            if (!Directory.Exists("Assets/Editor"))
            {
                AssetDatabase.CreateFolder("Assets", "Editor");
            }

            //DefineSymbolsアセット生成して保存.
            SymbolCatalog catalog = ScriptableObject.CreateInstance(typeof(SymbolCatalog)) as SymbolCatalog;

            AssetDatabase.CreateAsset(catalog, "Assets/Editor/" + typeof(SymbolCatalog).Name + ".asset");
            AssetDatabase.SaveAssets();
            return(catalog);
        }