MessageDlg('Choose a button:', System.UITypes.TMsgDlgType.mtInformation, [ System.UITypes.TMsgDlgBtn.mbYes, System.UITypes.TMsgDlgBtn.mbNo, System.UITypes.TMsgDlgBtn.mbCancel ], , procedure(const AResult: TModalResult) begin if AResult = mrYES then S…
if MessageDlg('Welcome to my Delphi application. Exit now?', mtConfirmation, [mbYes, mbNo], 0) = mrYes then begin Close; end; MessageDlg用法 对话框类型:mtwarning——含有感叹号的警告对话框mterror——含有红色叉符号的错误对话框mtinformation——含有蓝色i符号的信息对话框mtconfirmation——含有绿色问号的确认对话框mtc…
procedure TfrmEmployee.btnDeleteClick(Sender: TObject);var aBool: Boolean;begin inherited; MessageDlg('是否删除?', mtConfirmation, mbYesNo, procedure(Res: Integer) begin aBool :=Res = mrYes; if aBool then begin ClientDataSet1.Delete; if untDll.SaveData('…
procedure Calback(Sender: TComponent; AResult: Integer);procedure TForm.Calback(Sender: TComponent; AResult: Integer);begin case AResult of mrYes: begin end; mrNo: begin end; end;end; //fomr窗体不需要代码创建 如下会报错 var F_Envcategory: TF_Env…
dlgSave := TSaveDialog.Create(nil); dlgSave.filter := 'CSV文件|*.CSV'; dlgSave.DefaultExt := '*.CSV'; dlgSave.filename := '服务.CSV'; if dlgSave.Execute then begin if FileExists(dlgSave.filename) then try ) = IDYES then DeleteFile(PChar(dlgSave.filename)…