counts.h

VC++串口通信设。本书详细说明讲解了在VC++环境下编写串口通信得过程。值得一看

#ifndef COUNTS_H
#define COUNTS_H

#include "StdInc.h"

//
// The Counters class is a simple encapsulation of the server lock
// and the server object count global variables.
//

class Counters
{
public:

   // Public query methods
   static ULONG GetLockCount();
   static ULONG GetObjectCount();

   // Counter increment.decrement methods
   static VOID IncLockCount();
   static VOID DecLockCount();
   static VOID IncObjectCount();
   static VOID DecObjectCount();

private:

   // Lock and object count variables
   static ULONG m_cLocks;
   static ULONG m_cNumObjects;
};

#endif