//打开工程文件 private async void open_file_Click(object sender, RoutedEventArgs e) { // reader = null; // ReaderManage reader = new ReaderManage(); reader = await fileManage.DeSerializeFile(); if (reader != null) { RefreshUI(); if (toggle_state) { SetModeHighLight(reader.ReaderChooseMode); } ShowToastNotification("exReader提示", "已打开文章"); } }