public void CancelChanges()
        {
            AppMessageFilter.ApplyDiffString(UserSettings.Instance.HotKeyList);
            var hotKeyList = AppMessageFilter.HotKeys;

            grid.DataBind(hotKeyList.ToList());
        }
        public void ApplySettings()
        {
            var bindings = grid.GetRowValues <ApplicationMessageBinding>(false).ToList();

            AppMessageFilter.HotKeys = bindings;
            var difString = AppMessageFilter.GetDiffString();

            UserSettings.Instance.HotKeyList = difString;
        }