QT Get the C drive serial number Use cmd to view the C drive serial number

QT code to get the serial number of C drive

code show as below:

	QString lpRootPathName = "C:\\";        //根路径 也可以选择C:  E:
    LPTSTR lpVolumeNameBuffer=new TCHAR[12];//磁盘卷标
    DWORD nVolumeNameSize=12;