Changing volume's serial number

#ifndef __DISKSECTOR_02172004__INC__
#define __DISKSECTOR_02172004__INC__

#include <windows.h>

class DiskSectorRW
{
public:
  virtual bool Open(char *vol) = 0;
  virtual void Close() = 0;
  virtual bool ReadSector(DWORD sector, char *Buffer, int sectorSize = 512) = 0;
  virtual bool WriteSector(DWORD sector, char *buffer, int sectorSize = 512) = 0;
};

class DiskSectorWinNT : public DiskSectorRW
{
private:
  HANDLE m_hDisk;
public:
  bool Open(char *vol);
  void Close();
  bool ReadSector (DWORD sector, char *Buffer, int sectorSize = 512);
  bool WriteSector(DWORD sector, char *Buffer, int sectorSize = 512);
};

class DiskSectorWin9x : public DiskSectorRW
{
private:
  HANDLE m_hVmm32;
  bool m_bOpened;
  char m_chDrive;
  BYTE m_nDriveNo;
  bool m_bW9xOsr2AndAbove;
  bool m_bUseLocking;
public:
  
  DiskSectorWin9x() : m_bUseLocking(false) { }
  bool Open(char *vol);
  void Close();
  
  bool ReadSector (DWORD sector, char *Buffer, int sectorSize = 512);
  bool WriteSector(DWORD sector, char *Buffer, int sectorSize = 512);
  
  static bool LockLogicalVolume (HANDLE hVWin32, BYTE   bDriveNum, BYTE   bLockLevel, WORD wPermissions);
  static bool UnlockLogicalVolume(HANDLE hVWin32, BYTE bDriveNum);  

  static bool ReadLogicalSectors (HANDLE hDev, BYTE   bDrive, DWORD  dwStartSector, WORD wSectors, LPBYTE lpSectBuff);
  static bool WriteLogicalSectors (HANDLE hDev, BYTE   bDrive, DWORD  dwStartSector, WORD   wSectors, LPBYTE lpSectBuff);

  static bool NewReadSectors(HANDLE hDev, BYTE   bDrive, DWORD  dwStartSector, WORD   wSectors, LPBYTE lpSectBuff);
  static bool NewWriteSectors(HANDLE hDev, BYTE   bDrive, DWORD  dwStartSector, WORD   wSectors, LPBYTE lpSectBuff);

};

class DiskSector
{
private:
  DiskSectorRW *util;
public:
  DiskSector();
  ~DiskSector();
  bool Open(char *vol);
  void Close();
  bool ReadSector(DWORD sector, char *Buffer, int sectorSize = 512);
  bool WriteSector(DWORD sector, char *buffer, int sectorSize = 512);
};
#endif