sinstance.h

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/*
Module : SINSTANCE.H
Purpose: Defines the interface for an MFC wrapper classe
		 to do instance checking
Created: PJN / 29-07-1998
History: None

Copyright (c) 1998 by PJ Naughter.  
All rights reserved.

*/
#include "afxmt.h"

#ifndef __SINSTANCE_H__
#define __SINSTANCE_H__


#ifndef __AFXMT_H__
//	#error "CInstanceChecker class requires afxmt.h in your PCH"
#endif


class CInstanceChecker : public CObject
{
public:
	//Constructors / Destructors
	CInstanceChecker();

	//General functions
	BOOL PreviousInstanceRunning();
	void ActivatePreviousInstance(); 

protected:
	CMutex m_instanceDataMutex;
	HANDLE m_hPrevInstance;
};

#endif //__SINSTANCE_H__