Limiting an Application to a Single Instance - The MFC Way

// SingleInstDLG.h : main header file for the SINGLEINSTDLG application
//

#if !defined(AFX_SINGLEINSTDLG_H__09A51937_1114_4768_B567_0CA375653351__INCLUDED_)
#define AFX_SINGLEINSTDLG_H__09A51937_1114_4768_B567_0CA375653351__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#ifndef __AFXWIN_H__
	#error include 'stdafx.h' before including this file for PCH
#endif

#include "resource.h"		// main symbols
#include "..\Shared\WinAppEx.h"

/////////////////////////////////////////////////////////////////////////////
// CSingleInstDLGApp:
// See SingleInstDLG.cpp for the implementation of this class
//

class CSingleInstDLGApp : public CWinAppEx
{
public:
	CSingleInstDLGApp();

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CSingleInstDLGApp)
	public:
	virtual BOOL InitInstance();
	//}}AFX_VIRTUAL

// Implementation

	//{{AFX_MSG(CSingleInstDLGApp)
		// NOTE - the ClassWizard will add and remove member functions here.
		//    DO NOT EDIT what you see in these blocks of generated code !
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};


/////////////////////////////////////////////////////////////////////////////

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_SINGLEINSTDLG_H__09A51937_1114_4768_B567_0CA375653351__INCLUDED_)