insendmessage_hook

BOOL Detour_InSendMessage(__in BOOL bEnable)
{
    static decltype(&InSendMessage) _InSendMessage = InSendMessage;

    decltype(&InSendMessage) InSendMessage_Hook = []() -> BOOL
    {
        HMODULE hModule;

        if (CMsgHandler::GetInstance()->GetHandle() == NULL)
        {
            if (GetModuleHandleEx(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS, reinterpret_cast<TCHAR*>(_ReturnAddress()), &hModule))
            {
                if (hModule == GetModuleHandle(NULL))
                    CMsgHandler::GetInstance()->Init(g_hInstance);
            }
        }

        return _InSendMessage();
    };

    return DetourFunction(bEnable, reinterpret_cast<LPVOID*>(&_InSendMessage), InSendMessage_Hook);
}