procedure TForm1.btn1Click(Sender: TObject); begin ShowMessage('这是ShowMessage消息框'); ShowMessage('这是ShowMessage换行消息框' + #13#10 +http://www.cnblogs.com/yangxuming/'); MessageDlg('这是MessageDlg消息框', mtCustom, [mbOK], 0); if MessageDlg('这是MessageDlg消息框', mtWarning, mbOKCancel, 0) = mrOk then begin //··· end; Application.MessageBox('这是Application.MessageBox消息框', '标题', MB_OK); if Application.MessageBox('这是Application.MessageBox消息框', '标题', MB_OKCANCEL + MB_ICONQUESTION + MB_DEFBUTTON2 + MB_TOPMOST) = IDOK then begin //··· end; MessageBox(0, '这是MessageBox消息框', '标题', MB_OK); MessageBox(Handle, '这是MessageBox消息框', '标题', MB_OK); case MessageBox(Handle, '这是MessageBox消息框', '标题', MB_YESNOCANCEL + MB_ICONSTOP + MB_DEFBUTTON3) of IDCANCEL: begin //··· end; IDYES: begin //··· end; IDNO: begin //··· end; end; end;
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