A File Checksum Shell Menu Extension DLL

// MAIN HEADER FILE FOR CProfiler CLASS
//
// A small profiling class using the Win32 API
//
// v.1.0
// Written by Hernan Di Pietro (May 2003)
// mailto:hernandp@speedy.com.ar
///////////////////////////////////////////////////
// See Profiler.cpp for implementation
//////////////////////////////////////////////////
#include <windows.h>
#ifndef __PROFILER_H__
#define __PROFILER_H__

// enumeration for Debug Logging Output Types (or "styles")
enum LOGTYPE { LOGNONE, LOGTICKS, LOGSECS, LOGALL, LOGMSGBOX };		

class CProfiler
{
public:
	
	CProfiler(void);
	~CProfiler(void);	
	void		ProfileStart(LOGTYPE logtype = LOGNONE); // starts profiling
	__int64		ProfileEnd  (char* TraceStr = "");       // end profiling										         
	double		SecsFromTicks ( __int64 ticks);
	DWORD		GetLastRetVal(void);	// returns the last error, if any.
		
private:
	
	LARGE_INTEGER	m_QPFrequency;		// ticks/sec resolution
	LARGE_INTEGER	m_StartCounter;		// start time
	LARGE_INTEGER	m_EndCounter;		// finish time
	__int64			m_ElapsedTime;		// elapsed time
	DWORD			m_Retval;			// return value for API functions
	LOGTYPE			m_LogType;			// logging type

};

#endif // __PROFILER_H__