//?Arithmetic.cpp?:?Defines?the?initialization?routines?for?the?DLL.
//

#include?“stdafx.h“
#include?

#ifdef?_DEBUG
#define?new?DEBUG_NEW
#undef?THIS_FILE
static?char?THIS_FILE[]?=?__FILE__;
#endif


static?AFX_EXTENSION_MODULE?ArithmeticDLL?=?{?NULL?NULL?};

extern?“C“?int?APIENTRY
DllMain（HINSTANCE?hInstance?DWORD?dwReason?LPVOID?lpReserved）
{
	//?Remove?this?if?you?use?lpReserved
	UNREFERENCED_PARAMETER（lpReserved）;

	if?（dwReason?==?DLL_PROCESS_ATTACH）
	{
		TRACE0（“ARITHMETIC.DLL?Initializing!\n“）;
		
		//?Extension?DLL?one-time?initialization
		if?（!AfxInitExtensionModule（ArithmeticDLL?hInstance））
			return?0;

		//?Insert?this?DLL?into?the?resource?chain
		//?NOTE:?If?this?Extension?DLL?is?being?implicitly?linked?to?by
		//??an?MFC?Regular?DLL?（such?as?an?ActiveX?Control）
		//??instead?of?an?MFC?application?then?you?will?want?to
		//??remove?this?line?from?DllMain?and?put?it?in?a?separate
		//??function?exported?from?this?Extension?DLL.??The?Regular?DLL
		//??that?uses?this?Extension?DLL?should?then?explicitly?call?that
		//??function?to?initialize?this?Extension?DLL.??Otherwise
		//??the?CDynlinkLibrary?object?will?not?be?attached?to?the
		//??Regular?DLL‘s?resource?chain?and?serious?problems?will
		//??result.

		new?CDynlinkLibrary（ArithmeticDLL）;
	}
	else?if?（dwReason?==?DLL_PROCESS_DETACH）
	{
		TRACE0（“ARITHMETIC.DLL?Terminating!\n“）;
		//?Terminate?the?library?before?destructors?are?called
		AfxTermExtensionModule（ArithmeticDLL）;
	}
	return?1;???//?ok
}