<div class="content" name="RRouterInterfaceDeviceGetInfo" uuid="7a027868-0815-4cee-90ca-f57e7b673498"><p>The <b>RRouterInterfaceDeviceGetInfo</b> method<a id="Appendix_A_Target_309"></a><a aria-label="Product behavior note 309" href="3bb906f0-b077-47ab-ad11-d8d807afde26#Appendix_A_309" data-linktype="relative-path">&lt;309&gt;</a> retrieves information for a
specified <a href="fc2dfae9-0d04-4e1d-97c9-c51c2dc06c3b#gt_4712ded2-d927-4930-9450-29499f98cef4" data-linktype="relative-path">device</a>, <i>dwIndex</i>,
for a specified interface <i>hInterface</i>, on a specified server, <i>hDimServer</i>.</p><dl>
<dd>
<div><pre> DWORD RRouterInterfaceDeviceGetInfo(
   [in] DIM_HANDLE hDimServer,
   [in] DWORD dwLevel,
   [in, out] PDIM_INFORMATION_CONTAINER pInfoStruct,
   [in] DWORD dwIndex,
   [in] DWORD hInterface
 );
</pre></div>
</dd></dl><p><b>hDimServer: </b>A handle to the RRASM server where
the call is executed, see section <a href="1f8cdbcc-9791-4a35-ad78-878b8d110e15" data-linktype="relative-path">3.1.3</a>.</p><p><b>dwLevel: </b>This is of type <b>DWORD</b> and MUST
be set to any of the following values. </p><dl>
<dd>
<table><thead>
  <tr>
   <th>
   <p>Value</p>
   </th>
   <th>
   <p>Meaning</p>
   </th>
  </tr>
 </thead><tbody><tr>
  <td>0</td>
  <td>After the function returns, the memory pointed to by pInfoStruct-&gt;pBuffer is interpreted as MPR_DEVICE_0 (section 2.2.1.2.85).</td>
 </tr><tr>
  <td>1</td>
  <td>After the function returns, the memory pointed to by pInfoStruct-&gt;pBuffer is interpreted as MPR_DEVICE_1 (section 2.2.1.2.86).</td>
 </tr></tbody></table>
</dd></dl><p><b>pInfoStruct: </b>This is a pointer of type <a href="95609dbb-56aa-4b1b-a0e2-697864a141bd" data-linktype="relative-path"><b>DIM_INFORMATION_CONTAINER (section 2.2.1.2.1)</b></a>
and <b>pInfoStruct.dwBufferSize</b> SHOULD be initialized to zero (0). Upon
successful return, the pInfoStruct-&gt;pBuffer is a typecast array of <b>MPR_DEVICE_0</b>
(section 2.2.1.2.85) or <b>MPR_DEVICE_1 (section 2.2.1.2.86)</b>,
based on the <i>dwLevel</i> value.   </p><p><b>dwIndex: </b>Specifies the one-based index of the
device. A multilinked demand-dial interface uses multiple devices.</p><p><b>hInterface: </b>The unique identifier of an
interface. This can be obtained from <a href="72bead5c-821f-4e98-bacd-0de279552379" data-linktype="relative-path"><b>RRouterInterfaceCreate (section 3.1.4.13)</b></a>
or <a href="b4cc4f8f-e2bc-4e8f-a521-08a0558d3e44" data-linktype="relative-path"><b>RRouterInterfaceGetHandle (section 3.1.4.12)</b></a>.
Since the RRASM server does not maintain interface handles, the RRAS server
SHOULD check and ensure that this handle represents a valid interface
handle.    </p><p><b>Return Values: </b>A 32-bit, unsigned integer
value that indicates return status. A return value of ERROR_SUCCESS
(0x00000000) indicates that the operation was completed successfully;
otherwise, the return value contains an error code, as specified in <a href="../ms-erref/1bc92ddf-b79e-413c-bbaa-99a5281a6c90" data-linktype="relative-path">[MS-ERREF]</a>
or in section <a href="5c0c991a-0d3d-4fe5-9503-5128d0d49fe1" data-linktype="relative-path">2.2.4</a>.
All values not in the following table MUST be treated the same by the RRASM
client.</p><dl>
<dd>
<table><thead>
  <tr>
   <th>
   <p>Return value/code</p>
   </th>
   <th>
   <p>Description</p>
   </th>
  </tr>
 </thead><tbody><tr>
  <td>ERROR_SUCCESS 0x00000000</td>
  <td>The call was successful.</td>
 </tr><tr>
  <td>ERROR_ACCESS_DENIED 0x00000005</td>
  <td>The calling application does not have sufficient privileges.</td>
 </tr></tbody></table>
</dd></dl><p>The opnum field value for this method is 38.</p><p>When processing this call, the RRASM server MUST do the
following:</p><ul><li><p><span><span> 
</span></span>Validate, as specified in section <a href="9373431f-ed29-4639-9f8b-743267c9f9b6" data-linktype="relative-path">2.1.1.1</a>, whether this
method was called by a client that has access to the method. If the client does
not have access, then return error ERROR_ACCESS_DENIED (0x00000005).</p>
</li><li><p><span><span> 
</span></span>If <i>pInfoStruct</i> is NULL, return an error other than those
in the preceding table.</p>
</li><li><p><span><span> 
</span></span>If <i>dwLevel</i> is not supported, return an error other than
those in the preceding table.</p>
</li><li><p><span><span> 
</span></span>Call the abstract interface <b>Invoke DIMSVC</b> method
specifying the operation and the parameters to enable RRAS server to perform
the required management task.</p>
</li><li><p><span><span> 
</span></span>If the RRAS server successfully processes the request, fill the
returned information in <i>pInfoStruct</i> and return ERROR_SUCCESS
(0x00000000). Otherwise return the ERROR_STATUS returned by the RRAS server.</p>
</li></ul><p>No exceptions are thrown beyond those thrown by the
underlying RPC protocol <a href="../ms-rpce/290c38b1-92fe-4229-91e6-4fc376610c15" data-linktype="relative-path">[MS-RPCE]</a>.</p></div>