C / C++ / MFC

void GetSuggestionList(LPCTSTR szURL)
{
	
	DWORD dwError=0;

	LPVOID lpMsgBuf;
	TCHAR szBuf[80]; 

    if (hInternetSession == NULL)
    {
        hInternetSession = InternetOpen(L"Microsoft Internet Explorer",
                        INTERNET_OPEN_TYPE_PRECONFIG,
                        NULL,
                        NULL,
                        INTERNET_FLAG_ASYNC);
        
        if (hInternetSession != NULL)
        {
             InternetSetStatusCallback(hInternetSession,
                        (INTERNET_STATUS_CALLBACK)InternetCallbackFunction);

          
            hURL = InternetOpenUrl(hInternetSession,
                        L"http://wioclite.webdunia.com",
                        NULL,
                        0,
                        INTERNET_FLAG_RELOAD |
                        INTERNET_FLAG_PRAGMA_NOCACHE |
                        INTERNET_FLAG_NO_CACHE_WRITE,
                        (unsigned long)(&request_context));
			if(!hURL)
			{
				dwError =	GetLastError();
				FormatMessage(
							FORMAT_MESSAGE_ALLOCATE_BUFFER | 
							FORMAT_MESSAGE_FROM_SYSTEM,
							 NULL,
							dwError,
							MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
							(LPTSTR) &lpMsgBuf,
							0, NULL );
				 wsprintf(szBuf, L"%s failed with error %d: %s", szURL, dwError, lpMsgBuf); 
 
				MessageBox(NULL, szBuf, L"Error", MB_OK); 
			}
        }
		
    }
}