是不是哪里错了？总提示设备没有连接

select 2009-7-14 15:57 楼主

LPCWSTR strDrvName=L"";
strDrvName=TEXT("NDS0:");
HANDLE hHandle;
hHandle = CreateFile(strDrvName,
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED,
INVALID_HANDLE_VALUE
);
if( hHandle == INVALID_HANDLE_VALUE )
{
AfxMessageBox(_T("createfile error"));
return;
}
DWORD dwReturnedBytes;
DWORD recvData[1024];
DeviceIoControl(
hHandle,
IOCTL_NDIS_GET_ADAPTER_NAMES,
NULL,
0,
&recvData,
1024,
&dwReturnedBytes,
NULL);
::CloseHandle(hHandle);
hHandle = CreateFile(_T("UIO1:"),
GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL,
CREATE_NEW,
FILE_ATTRIBUTE_NORMAL,
INVALID_HANDLE_VALUE
);
if( hHandle == INVALID_HANDLE_VALUE )
{
AfxMessageBox(_T("createfile error"));
return;
}
////Query Binding
dwReturnedBytes = 0;
char buff[1024];
PNDISUIO_QUERY_BINDING recvBuffer = (PNDISUIO_QUERY_BINDING)buff;
DeviceIoControl( hHandle,
IOCTL_NDISUIO_QUERY_BINDING,
recvBuffer,
sizeof(NDISUIO_QUERY_BINDING),
NULL,
1024,
&dwReturnedBytes,
NULL
);
USHORT pDevName[1024];
memset(pDevName, 0, 1024);
memcpy(pDevName,&buff[recvBuffer->DeviceNameOffset],recvBuffer->DeviceNameOffset);
CString s;
s.Format(_T("%s"),pDevName);
AfxMessageBox(s);
////Open Device
dwReturnedBytes = 0;
DeviceIoControl( hHandle,
IOCTL_NDISUIO_OPEN_WRITE_DEVICE,
pDevName,
wcslen(pDevName)*sizeof(TCHAR),
NULL,
0,
&dwReturnedBytes,
NULL
);
char m_pBuffer[1024] ="this is a test";
int bRet = WriteFile(hHandle, m_pBuffer, sizeof(m_pBuffer),&dwReturnedBytes, NULL);
if (!bRet) {
CString s;
s.Format(_T("%d"),::GetLastError());
AfxMessageBox(s);
return;
}