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Understanding Custom Marshaling Part 1

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18 Aug 2006CPOL31 min read 207.9K   1.4K   147  
Learn the fundamental principles of COM custom marshaling by code examples.
// stdafx.h : include file for standard system include files,
// or project specific include files that are used frequently,
// but are changed infrequently

#pragma once

#ifndef STRICT
#define STRICT
#endif

// Modify the following defines if you have to target a platform prior to the ones specified below.
// Refer to MSDN for the latest info on corresponding values for different platforms.
#ifndef WINVER				// Allow use of features specific to Windows 95 and Windows NT 4 or later.
#define WINVER 0x0400		// Change this to the appropriate value to target Windows 98 and Windows 2000 or later.
#endif

#ifndef _WIN32_WINNT		// Allow use of features specific to Windows NT 4 or later.
#define _WIN32_WINNT 0x0400	// Change this to the appropriate value to target Windows 2000 or later.
#endif						

#ifndef _WIN32_WINDOWS		// Allow use of features specific to Windows 98 or later.
#define _WIN32_WINDOWS 0x0410 // Change this to the appropriate value to target Windows Me or later.
#endif

#ifndef _WIN32_IE			// Allow use of features specific to IE 4.0 or later.
#define _WIN32_IE 0x0400	// Change this to the appropriate value to target IE 5.0 or later.
#endif

#define _ATL_APARTMENT_THREADED
#define _ATL_NO_AUTOMATIC_NAMESPACE

#define _ATL_CSTRING_EXPLICIT_CONSTRUCTORS	// some CString constructors will be explicit

// turns off ATL's hiding of some common and often safely ignored warning messages
#define _ATL_ALL_WARNINGS


#include "resource.h"
#include <atlbase.h>
#include <atlcom.h>

using namespace ATL;

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License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Systems Engineer NEC
Singapore Singapore
Lim Bio Liong is a Specialist at a leading Software House in Singapore.

Bio has been in software development for over 10 years. He specialises in C/C++ programming and Windows software development.

Bio has also done device-driver development and enjoys low-level programming. Bio has recently picked up C# programming and has been researching in this area.

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