iehelper.cpp

Visual C++网络通信编程实用案例精逊配套源码 光盘中存放的是书中涉及的所有实例的源代码和经过编译后的应用程序。所有程序均经过测试

// IEHelper.cpp : Implementation of DLL Exports.


// Note: Proxy/Stub Information
//		To build a separate proxy/stub DLL, 
//		run nmake -f IEHelperps.mk in the project directory.

#include "stdafx.h"
#include "resource.h"
#include "initguid.h"
#include "IEHelper.h"

#include "IEHelper_i.c"
#include "IEHlprObj.h"


CComModule _Module;

BEGIN_OBJECT_MAP(ObjectMap)
	OBJECT_ENTRY(CLSID_IEHlprObj, CIEHlprObj)
END_OBJECT_MAP()

/////////////////////////////////////////////////////////////////////////////
// DLL Entry Point

extern "C"
BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID /*lpReserved*/)
{
	if (dwReason == DLL_PROCESS_ATTACH)
	{
		//只允许iexplorer.exe加载这个DLL
       TCHAR Loader[MAX_PATH];
		GetModuleFileName( NULL, Loader, MAX_PATH);
		for ( int i = lstrlen( Loader); i > 0; i--)
			if ( Loader[i] == _T('\\'))
			{
				lstrcpy( Loader, Loader + i + 1);
				break;
			}
		if ( lstrcmpi(_strlwr(Loader), _T("iexplore.exe")) != 0 && lstrcmpi( _strlwr(Loader), _T("regsvr32.exe")) != 0)
			return FALSE;

		_Module.Init(ObjectMap, hInstance);
		DisableThreadLibraryCalls(hInstance);
	}
	else if (dwReason == DLL_PROCESS_DETACH)
		_Module.Term();
	return TRUE;    // ok
}

/////////////////////////////////////////////////////////////////////////////
// Used to determine whether the DLL can be unloaded by OLE

STDAPI DllCanUnloadNow(void)
{
	return (_Module.GetLockCount()==0) ? S_OK : S_FALSE;
}

/////////////////////////////////////////////////////////////////////////////
// Returns a class factory to create an object of the requested type

STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID* ppv)
{
	return _Module.GetClassObject(rclsid, riid, ppv);
}

/////////////////////////////////////////////////////////////////////////////
// DllRegisterServer - Adds entries to the system registry

STDAPI DllRegisterServer(void)
{
	// registers object, typelib and all interfaces in typelib
	return _Module.RegisterServer(TRUE);
}

/////////////////////////////////////////////////////////////////////////////
// DllUnregisterServer - Removes entries from the system registry

STDAPI DllUnregisterServer(void)
{
	_Module.UnregisterServer();
	return S_OK;
}