QT 獲取硬盤序列號

#include "qt_windows.h"    
    QString tdrive = "C:\\";
    DWORD dwSerialNumber = 0;
    bool ret = GetVolumeInformation((WCHAR *)tdrive.utf16(),NULL,NULL,&dwSerialNumber,NULL,NULL,NULL,NULL);
    if (ret) {
        qDebug()<<"dwSerialNumber " << QString::number(dwSerialNumber, 16);
    }