switch (Application->MessageBox("    真的要退出吗？    ", Application->Title.c_str(), MB_OKCANCEL + MB_ICONQUESTION + MB_TOPMOST))
{
    case IDOK:
    {
        Action = caFree;
        break;
    }
    case IDCANCEL:
    {
        Action = caNone;
        break;
    }
}



    dlgInfo->ButtonCount = 2;
    dlgInfo->Caption = "注意";
    dlgInfo->IconType = suiWarning;
    dlgInfo->Text = "要退出吗？";
    if (dlgInfo->ShowModal() == mrOk)
    {
        Action = caFree;
    }
    else
    {
        Action = caNone;
    }

程序确认退出

C++