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    <title>topic C++ APIs don't work as their C# counterparts in Inventor Programming - iLogic, Macros, AddIns &amp; Apprentice</title>
    <link>https://forums.autodesk.com/t5/inventor-programming-ilogic/c-apis-don-t-work-as-their-c-counterparts/m-p/8380597#M91014</link>
    <description>&lt;P&gt;//C++ development Environment&lt;/P&gt;&lt;P&gt;_bstr_t&amp;nbsp;uniqueFaceName = pFaceProxyPtr-&amp;gt;InternalName; //throws exception even if&amp;nbsp;&lt;SPAN&gt;pFaceProxyPtr is a legit FaceProxy&amp;nbsp;COM pointer&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;//C# development Environment&lt;/P&gt;&lt;P&gt;string&amp;nbsp;&lt;SPAN&gt;uniqueFaceName =&amp;nbsp;pFaceProxy.InternalName; //works perfectly fine...&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;Can you suggest other alternatives than other methods (all the handled methods &lt;SPAN&gt;&amp;nbsp;pFaceProxyPtr-&amp;gt;get_InternalName(&amp;amp;uniqueFaceName); or even&amp;nbsp;pFaceProxyPtr-&amp;gt;&amp;gt;get_NativeObject(&amp;amp;pTempFace); fails where pTempFace is defined as FacePtr pTempFace&lt;/SPAN&gt;)?&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;I tried to dig around a little, it says E_NOINTERFACE at some point in the com.tli .&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;How else can I access the FaceProxy Pointer?&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
    <pubDate>Mon, 05 Nov 2018 14:45:30 GMT</pubDate>
    <dc:creator>Anonymous</dc:creator>
    <dc:date>2018-11-05T14:45:30Z</dc:date>
    <item>
      <title>C++ APIs don't work as their C# counterparts</title>
      <link>https://forums.autodesk.com/t5/inventor-programming-ilogic/c-apis-don-t-work-as-their-c-counterparts/m-p/8380597#M91014</link>
      <description>&lt;P&gt;//C++ development Environment&lt;/P&gt;&lt;P&gt;_bstr_t&amp;nbsp;uniqueFaceName = pFaceProxyPtr-&amp;gt;InternalName; //throws exception even if&amp;nbsp;&lt;SPAN&gt;pFaceProxyPtr is a legit FaceProxy&amp;nbsp;COM pointer&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;//C# development Environment&lt;/P&gt;&lt;P&gt;string&amp;nbsp;&lt;SPAN&gt;uniqueFaceName =&amp;nbsp;pFaceProxy.InternalName; //works perfectly fine...&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;Can you suggest other alternatives than other methods (all the handled methods &lt;SPAN&gt;&amp;nbsp;pFaceProxyPtr-&amp;gt;get_InternalName(&amp;amp;uniqueFaceName); or even&amp;nbsp;pFaceProxyPtr-&amp;gt;&amp;gt;get_NativeObject(&amp;amp;pTempFace); fails where pTempFace is defined as FacePtr pTempFace&lt;/SPAN&gt;)?&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;I tried to dig around a little, it says E_NOINTERFACE at some point in the com.tli .&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;How else can I access the FaceProxy Pointer?&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Mon, 05 Nov 2018 14:45:30 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/inventor-programming-ilogic/c-apis-don-t-work-as-their-c-counterparts/m-p/8380597#M91014</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2018-11-05T14:45:30Z</dc:date>
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