//重命名
 private async void Click_Rename(object sender, RoutedEventArgs e)
 {
     if (CategoryManage.CurrentFile != null)
     {
         RenameControl a = new RenameControl();
         await DialogHost.Show(a);
     }
 }
        //
        public async void rename_click()
        {
            if (CategoryManage.CurrentFile != null)
            {
                RenameControl a = new RenameControl();
                await DialogHost.Show(a);

                this.DialogResult = true;
                CategoryManage.Update();
            }
        }