调用第三方dll，讯息循环报错

调用第三方dll，消息循环报错

	//存储注入模块Dll的路径全名  

	char szDllPath[1024]={0};  


	//生成注入模块DLL的路径全名  

	strcat(szDllPath,"E:\\NovaE\\Debug\\Bin\\Dll\\NovaPlutoManager.dll");

	HMODULE hModule=LoadLibrary(szDllPath);  

	DWORD m_t=1000;  

	if (hModule)  

	{  

		//AfxMessageBox("NovaPlutoManager.dll loaded!");  

	}

	else

	{

		m_t= GetLastError();

	}  


	typedef bool (*LPFNREGISTER)(HWND, int, char*, int, char*);

	LPFNREGISTER lpfnRegister = NULL;  

	lpfnRegister=(LPFNREGISTER)GetProcAddress(hModule,"NP_Initialize");  


	char Ip[]="192.168.1.110";

	HWND hwnd=AfxGetApp()->GetMainWnd()->GetSafeHwnd(); 

        CString strSavePath="E:\\CardInfo";

		if (lpfnRegister)

		{

			if((*lpfnRegister)(hwnd,m_MsgID,Ip,25000,strSavePath.GetBuffer()))  

			{

				AfxMessageBox("NP_Initialize ok");

			}

			else

			{

				AfxMessageBox("NP_Initialize Fail!");

			}

		}

	}

BOOL CNovaEDlg::PreTranslateMessage(MSG* pMsg)

{

	if (pMsg->message==m_MsgID)

	{

		if(pMsg->wParam == WM_CARDINFO)

		{

			MessageBox("NP_Initialize发出的消息");

		}

	}

	return CDialog::PreTranslateMessage(pMsg);

}

if((*lpfnRegister)(hwnd,m_MsgID,Ip,25000,strSavePath.GetBuffer()))这句触发报错

------解决方案--------------------
HWND hwnd=AfxGetApp()->GetMainWnd()->GetSafeHwnd();  有有没有值？
------解决方案--------------------
http://news.qq.com/a/20130705/005263.htm

引用:

Quote: 引用:

NP_Initialize查看DLL中这个函数跑到什么地方出错了

请问如何查看？

函数中添加Log等