QMessageBox или QDialog - простейший пример??

Привет, лови:

QMessageBox msgBox;
msgBox.setText("Some text");
msgBox.setInformativeText("Settings changed."
                          "Discard changes?");
msgBox.setStandardButtons(QMessageBox::Apply | QMessageBox::Discard);
int result = msgBox.exec();

switch(result)
{
    case QMessageBox::Discard:
        // User clicked "Discard"
        break;

    case QMessageBox::Apply:
        // User clicked "Apply"
        break;

    default:
        break;
}

@aveal 

Спасибо, работает и это прям то что надо!!

Подскажите какие еще кнопки могут быть?

QMessageBox::Ok                  0x00000400  An "OK" button defined with the AcceptRole.
QMessageBox::Open                0x00002000  An "Open" button defined with the AcceptRole.
QMessageBox::Save                0x00000800  A "Save" button defined with the AcceptRole.
QMessageBox::Cancel              0x00400000  A "Cancel" button defined with the RejectRole.
QMessageBox::Close               0x00200000  A "Close" button defined with the RejectRole.
QMessageBox::Discard             0x00800000  A "Discard" or "Don't Save" button, depending on the platform, defined with the DestructiveRole.
QMessageBox::Apply               0x02000000  An "Apply" button defined with the ApplyRole.
QMessageBox::Reset               0x04000000  A "Reset" button defined with the ResetRole.
QMessageBox::RestoreDefaults     0x08000000  A "Restore Defaults" button defined with the ResetRole.
QMessageBox::Help                0x01000000  A "Help" button defined with the HelpRole.
QMessageBox::SaveAll             0x00001000  A "Save All" button defined with the AcceptRole.
QMessageBox::Yes                 0x00004000  A "Yes" button defined with the YesRole.
QMessageBox::YesToAll            0x00008000  A "Yes to All" button defined with the YesRole.
QMessageBox::No                  0x00010000  A "No" button defined with the NoRole.
QMessageBox::NoToAll             0x00020000  A "No to All" button defined with the NoRole.
QMessageBox::Abort               0x00040000  An "Abort" button defined with the RejectRole.
QMessageBox::Retry               0x00080000  A "Retry" button defined with the AcceptRole.
QMessageBox::Ignore              0x00100000  An "Ignore" button defined with the AcceptRole.
QMessageBox::NoButton            0x00000000  An invalid button.

Здесь все есть - ссылка.

Спасибо!