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        int flags = SND_FILENAME|SND_ASYNC;
        if (loops == -1)
            flags |= SND_LOOP;

        PlaySound((wchar_t*)filename.utf16(), 0, flags);

//=================================================================================================
void MainWnd::extractSoundFiles()
{
    // extract WAV-files from resource
    QDir srcDir(":/sounds");
    QDir dstDir;
    const QString dirName(srcDir.dirName());
    if (!dstDir.exists(dirName)) dstDir.mkdir(dirName);
    dstDir.cd(dirName);
    foreach (const QString & fileName, srcDir.entryList(QDir::Files | QDir::Hidden | QDir::NoSymLinks)) {
        const QString dstName(dstDir.absoluteFilePath(fileName));
        if (!QFile::exists(dstName)) {
            QFile::copy(srcDir.absoluteFilePath(fileName), dstName);
        }
    }
}