Method GetExceptionStrFromCode

CppCoverage/ExceptionHandler.cpp:124–151

-------------------------------------------------------------------------

	//-------------------------------------------------------------------------
	std::wstring ExceptionHandler::GetExceptionStrFromCode(DWORD exceptionCode) const
	{
		auto it = exceptionCode_.find(exceptionCode);

		if (it != exceptionCode_.end())
			return it->second;
		
		LPTSTR message = nullptr;
		HMODULE ntDllModule = LoadLibrary(L"NTDLL.DLL");
		Tools::ScopedAction closeLibrary{ [=](){ FreeLibrary(ntDllModule); } };
	
		FormatMessage(
			FORMAT_MESSAGE_ALLOCATE_BUFFER |
			FORMAT_MESSAGE_FROM_SYSTEM |
			FORMAT_MESSAGE_FROM_HMODULE,
			ntDllModule,
			exceptionCode,
			MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US),
			reinterpret_cast<LPTSTR>(&message),
			0,
			nullptr);		
		Tools::ScopedAction freeMessage{ [=](){ LocalFree(message); } };

		if (message)
			return message;

		return ExceptionUnknown;
	}
}