FILEVIEW.H

//THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF  
//ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO  
//THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A  
// PARTICULAR PURPOSE. 
// 
// Copyright 1994 - 1998 Microsoft Corporation.  All Rights Reserved. 
// 
//PROGRAM: FILEVIEW.H 
// 
//PURPOSE:   File Viewer Component Object to work with Windows 95 Explorer. 
//  Definitions, classes, and prototypes for a FileViewer DLL. 
//    Necessary modifications marked with MODIFY 
// 
//PLATFORMS:Windows 95 
// 
//SPECIAL INSTRUCTIONS: N/A 
// 
#ifndef _FILEVIEW_H_ 
#define _FILEVIEW_H_ 
 
 
//Prevent windows.h from pulling in OLE 1 
#define INC_OLE2 
 
#include <windows.h> 
#include <stdlib.h> 
#include <ole2.h> 
#include <commdlg.h> 
#include <shlobj.h> 
 
 
#include "dbgout.h" 
#include "cstrtabl.h" 
#include "cstathlp.h" 
 
//Types needed for other include files. 
#ifndef PPVOID 
typedef LPVOID * PPVOID; 
#endif 
 
 
/* 
 * Type and function for an object-destroyed callback.  An 
 * Object will call ObjectDestoyed in FILEVIEW.CPP when it 
 * deletes itself.  That way the server code, independent 
 * of the object, can implement DllCanUnloadNow properly. 
 */ 
typedef void (WINAPI *PFNDESTROYED)(void); 
void WINAPI ObjectDestroyed(void); 
 
 
//MODIFY:  Other viewer-specific headers 
#include "fvtext.h"     //FileViewer specifics 
#include "resource.h"   //Resource definitions 
 
 
 
//FILEVIEW.CPP 
HRESULT PASCAL DllGetClassObject(REFCLSID, REFIID, PPVOID); 
STDAPI         DllCanUnloadNow(void); 
 
//A class factory that creates CFileViewer objects 
class CFVClassFactory : public IClassFactory 
    { 
    protected: 
        ULONG           m_cRef; 
 
    public: 
        CFVClassFactory(void); 
        ~CFVClassFactory(void); 
 
        //IUnknown members 
        STDMETHODIMP         QueryInterface(REFIID, PPVOID); 
        STDMETHODIMP_(ULONG) AddRef(void); 
        STDMETHODIMP_(ULONG) Release(void); 
 
        //IClassFactory members 
        STDMETHODIMP         CreateInstance(LPUNKNOWN, REFIID, PPVOID); 
        STDMETHODIMP         LockServer(BOOL); 
    }; 
 
typedef CFVClassFactory *PCFVClassFactory; 
 
#endif //_FILEVIEW_H_