获取磁盘信息

BOOL WINAPI GetVolumeInformation(
  __in          LPCTSTR lpRootPathName,
  __out         LPTSTR lpVolumeNameBuffer,
  __in          DWORD nVolumeNameSize,
  __out         LPDWORD lpVolumeSerialNumber,
  __out         LPDWORD lpMaximumComponentLength,
  __out         LPDWORD lpFileSystemFlags,
  __out         LPTSTR lpFileSystemNameBuffer,
  __in          DWORD nFileSystemNameSize
);
很好用```记一下，以后用就不用上网找了