Opening / Saving multiple types of documents in MFC MDI applications

// MyFirstProject.h : main header file for the MYFIRSTPROJECT application
//

/*

	author:			Babak Taati ( http://qlink.queensu.ca/~3bt1/ )
	Download link:	http://qlink.queensu.ca/~3bt1/Miscellaneous/Downloads.htm	

	Description:	This is a simple project that allows opening / saving multiple types of documents
  
	References: 	1. MFC Document/View documentation and enhancements, by Roger Allen on CodeProject.com
					2. How to support two file extensions per MFC document type, Micorosft support document Article ID 141921
					3. DocMgrEx.exe Assoc Multiple File Extension w/2 Doc Tyle, Micorosft support document Article ID 198538
					4. Selecting multiple files in File Open dialog, by Kaus Gutter on CodeGuru.com
					5. Opening multiple documents of several types at once, by Ernesto Perales Soto on CodeProject.com

	Date:			Nov 2004

*/

#if !defined(AFX_MYFIRSTPROJECT_H__E77F232B_2458_4C79_9BFC_C9A241364DA1__INCLUDED_)
#define AFX_MYFIRSTPROJECT_H__E77F232B_2458_4C79_9BFC_C9A241364DA1__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

/////////////////////////////////////////////////////////////////////////////
// CMyFirstProjectApp:
// See MyFirstProject.cpp for the implementation of this class
//

class CMyFirstProjectApp : public CWinApp
{
public:
	CMyFirstProjectApp();

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

// Implementation
	//{{AFX_MSG(CMyFirstProjectApp)
	afx_msg void OnAppAbout();
		// 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_MYFIRSTPROJECT_H__E77F232B_2458_4C79_9BFC_C9A241364DA1__INCLUDED_)