Re: NDISUIO_QUERY_BINDING

From: Johns (johnysmart_at_yahoo.com)
Date: 01/25/05 

Date: Tue, 25 Jan 2005 15:35:40 +0530

Thank u Paul. It works !!!!
"Paul G. Tobey [eMVP]" <ptobey no spam AT no instrument no spam DOT com>
wrote in message news:#hBynQmAFHA.2624@TK2MSFTNGP11.phx.gbl...
> I think that you're just interpreting things incorrectly, probably. This
> code works just fine:
>
> -----
>
> HANDLE ndisuio = CreateFile(NDISUIO_DEVICE_NAME, GENERIC_READ |
> GENERIC_WRITE,
> FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
> OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED,
> NULL);
> CHAR Buf[1024];
> DWORD dwReturnedBytes;
> PNDISUIO_QUERY_BINDING pQueryBinding;
> int queryBindingResult;
> pQueryBinding = (PNDISUIO_QUERY_BINDING)&Buf[0];
>
> // The binding index is an *INPUT* to the operation.
> // You have to set it to a valid value.
> pQueryBinding->BindingIndex = 0;
>
> queryBindingResult = DeviceIoControl(ndisuio,
> IOCTL_NDISUIO_QUERY_BINDING,
> pQueryBinding,
> sizeof(NDISUIO_QUERY_BINDING),NULL, 1024,
> &dwReturnedBytes, NULL);
>
> if ( !queryBindingResult )
> {
> DWORD err = GetLastError();
> DEBUGMSG( 1, ( TEXT( "Error from DeviceIoControl %d 0x%x\r\n" ),
err,
> err ) );
> }
> else
> {
> DEBUGMSG( 1, ( TEXT( "Binding index 0x%x\r\nDeviceNameLength
> %d\r\nDeviceDescrLength %d\r\n" ),
> pQueryBinding->BindingIndex,
> pQueryBinding->DeviceNameLength,
> pQueryBinding->DeviceDescrLength ) );
>
> // Get the actual data for the description, etc.
> DEBUGMSG( 1, ( TEXT( "Device name %s\r\nDevice description
%s\r\n" ),
> (TCHAR*)&Buf[ pQueryBinding->DeviceNameOffset ],
> (TCHAR*)&Buf[ pQueryBinding->DeviceDescrOffset ] ) );
> }
>
> -----
>
> Paul T.
>
> "Johns" <johnysmart@yahoo.com> wrote in message
> news:%23OSAzSRAFHA.600@TK2MSFTNGP09.phx.gbl...
> > Hi All,
> > I am using NDISUIO to query/set the OID values. Inorder to do this, as
in
> > the documentation, I got the handle to the device using CreateFile.
> > g_hAdapter = CreateFile(NDISUIO_DEVICE_NAME, GENERIC_READ |
> > GENERIC_WRITE,
> > FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
> > OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED,
> > NULL););
> > This returns me a handle. Now I use this handle to make the
> > IOCTL_NDISUIO_QUERY_BINDING call as shown below:
> > CHAR Buf[1024];
> > DWORD dwReturnedBytes;
> > PNDISUIO_QUERY_BINDING pQueryBinding;
> >
> > pQueryBinding = (PNDISUIO_QUERY_BINDING)Buf;
> > bQueryBinding = DeviceIoControl(g_hAdapter, IOCTL_NDISUIO_QUERY_BINDING,
> > pQueryBinding,
> > sizeof(NDISUIO_QUERY_BINDING),NULL, 1024,
> > &dwReturnedBytes, NULL);
> > I print out all the members of the pQueryBinding and are as follows:
> > pQueryBinding->BindingIndex: 0
> > pQueryBinding->DeviceNameLength: 24
> > pQueryBinding->DeviceDescrLength : 24
> > pQueryBinding->DeviceNameOffset: 20
> > pQueryBinding->DeviceDescrOffset : 44
> >
> > But how do i get the device name from this?
> > Printing out Buf value did not give me anything
> >
> > Could any one help me on this??
> >
> > Johns
> >
> >
> >
>
>