mfc 判断是否为64位操作系统

BOOL CGetSysInfo::IsWow64()
{
	typedef BOOL (WINAPI *LPFN_ISWOW64PROCESS) (HANDLE, PBOOL);
	LPFN_ISWOW64PROCESS fnIsWow64Process;
	BOOL bIsWow64 = FALSE;
	fnIsWow64Process = (LPFN_ISWOW64PROCESS)GetProcAddress(GetModuleHandle(_T("kernel32")),
		"IsWow64Process");
	if(NULL != fnIsWow64Process)
	{
		fnIsWow64Process(GetCurrentProcess(), &bIsWow64);
	}
	return bIsWow64;
}