Hiding and Storing/caching of Application Specific data in MS Word 2003 documents

// FileStorage.h : main header file for the FileStorage DLL
//

#pragma once

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

#include "resource.h"		// main symbols


// CFileStorageApp
// See FileStorage.cpp for the implementation of this class

#define	MAX_RETRY						50
#define STRINGDATA_DOCUMENTID			100
#define Error_OpenFile					1000

WCHAR StorageName_DataStorage[12]        = L"DataStorage";
WCHAR StreamName_DocumentID[32]		= L"DocumentID";
	
//

class CFileStorageApp : public CWinApp
{
public:
	CFileStorageApp();
	BOOLEAN AddDataToFile(WCHAR *pwszFileName, int typeOfData,WCHAR * data,BOOLEAN officeFile );
	HRESULT AddToStorage(WCHAR *pwszFileName,WCHAR* pwszData,WCHAR *pwszStreamName,int *errorcode );
	HRESULT CreateStream(IStorage* pDataSpaceStorage,	IStream**	pStream, WCHAR *pwszStreamName);
	HRESULT WriteToStream(IStream* pStream, void* pData, int nDataSize);

	BOOLEAN ReadDataFromFile(WCHAR *pwszFileName,  int typeOfData,WCHAR* data,ULONG ulDataSize,BOOLEAN officeFile );
	HRESULT GetFromStorage(WCHAR *pwszFileName,void * pBuff,ULONG ulDataSize,WCHAR *pwszStreamName );
	HRESULT ReadFromStream(IStream *pStream,void * pBuff,ULONG ulDataSize);


// Overrides
public:
	virtual BOOL InitInstance();

	DECLARE_MESSAGE_MAP()
};