private void AKeyToDelete() { if (!_model.IsReadMail()) { FlowText.ShowMessage(I18NManager.Get("Mail_NoReadMail")); return; } if (_aKeyToDeleteWindow == null) //只是打开一键删除确认窗口 { _aKeyToDeleteWindow = PopupManager.ShowWindow <AKeyToDeleteWindow>("Mail/Prefabs/AKeyToDeleteWindow"); } }