public static void OpenWindow()
        {
            if (ms_Instance == null)
            {
                var inst = ms_Instance = (AnimCompressEditorWindow)GetWindow(typeof(AnimCompressEditorWindow));
                EditorApplication.playmodeStateChanged += inst.OnPlayModeChanged;

                EUtil.SetEditorWindowTitle(inst, "Compressor");
                inst.minSize = new Vector2(300, 150);
                inst.Show();
            }
        }
 void OnDestroy()
 {
     EditorUtility.ClearProgressBar();
     ms_Instance = null;
 }