# C1.Util.DX.WIC.MetadataQueryReader

## Content

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  <h1 id="C1_Util_DX_WIC_MetadataQueryReader" data-uid="C1.Util.DX.WIC.MetadataQueryReader" class="text-break">MetadataQueryReader Class
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  <div class="markdown level0 summary"><p>IWICMetadataQueryReader</p>
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  <div class="markdown level0 conceptual"></div>
  <div class="inheritance">
    <h5>Inheritance</h5>
    <div class="level0"><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a></div>
    <div class="level1"><a class="xref" href="C1.Util.DX.DisposeBase.html">DisposeBase</a></div>
    <div class="level2"><a class="xref" href="C1.Util.DX.CppObject.html">CppObject</a></div>
    <div class="level3"><a class="xref" href="C1.Util.DX.ComObject.html">ComObject</a></div>
    <div class="level4"><span class="xref">MetadataQueryReader</span></div>
      <div class="level5"><a class="xref" href="C1.Util.DX.WIC.MetadataQueryWriter.html">MetadataQueryWriter</a></div>
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  <div class="implements">
    <h5>Implements</h5>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.idisposable">IDisposable</a></div>
    <div><a class="xref" href="C1.Util.DX.IUnknown.html">IUnknown</a></div>
  </div>
  <h6><strong>Namespace</strong>: <a class="xref" href="C1.Util.DX.WIC.html">C1.Util.DX.WIC</a></h6>
  <h6><strong>Assembly</strong>: C1.Win.DX.4.8.dll</h6>
  <h5 id="C1_Util_DX_WIC_MetadataQueryReader_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">[Guid(&quot;30989668-E1C9-4597-B395-458EEDB808DF&quot;)]
public class MetadataQueryReader : ComObject, IDisposable, IUnknown</code></pre>
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  <div class="codewrapper">
    <pre><code class="lang-vbnet hljs">&lt;Guid(&quot;30989668-E1C9-4597-B395-458EEDB808DF&quot;)&gt;
Public Class MetadataQueryReader
    Inherits ComObject
    Implements IDisposable, IUnknown</code></pre>
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  <h3 id="constructors">Constructors
</h3>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
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    </thead>
    <tbody>
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        <td id="C1_Util_DX_WIC_MetadataQueryReader__ctor_System_IntPtr_" data-uid="C1.Util.DX.WIC.MetadataQueryReader.#ctor(System.IntPtr)">
          <a class="xref" href="C1.Util.DX.WIC.MetadataQueryReader.-ctor.html#C1_Util_DX_WIC_MetadataQueryReader__ctor_System_IntPtr_">MetadataQueryReader(IntPtr)</a>
        </td>
        <td class="markdown level1 summary"><p>Initializes a new instance of the <a class="xref" href="C1.Util.DX.WIC.MetadataQueryReader.html">MetadataQueryReader</a> class.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h3 id="properties">Properties
</h3>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td id="C1_Util_DX_WIC_MetadataQueryReader_Enumerator" data-uid="C1.Util.DX.WIC.MetadataQueryReader.Enumerator">
          <a class="xref" href="C1.Util.DX.WIC.MetadataQueryReader.Enumerator.html#C1_Util_DX_WIC_MetadataQueryReader_Enumerator">Enumerator</a>
        </td>
        <td class="markdown level1 summary"><p>Gets the enumerator on the metadata names.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Util_DX_WIC_MetadataQueryReader_Location" data-uid="C1.Util.DX.WIC.MetadataQueryReader.Location">
          <a class="xref" href="C1.Util.DX.WIC.MetadataQueryReader.Location.html#C1_Util_DX_WIC_MetadataQueryReader_Location">Location</a>
        </td>
        <td class="markdown level1 summary"><p>Gets the location.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Util_DX_WIC_MetadataQueryReader_QueryPaths" data-uid="C1.Util.DX.WIC.MetadataQueryReader.QueryPaths">
          <a class="xref" href="C1.Util.DX.WIC.MetadataQueryReader.QueryPaths.html#C1_Util_DX_WIC_MetadataQueryReader_QueryPaths">QueryPaths</a>
        </td>
        <td class="markdown level1 summary"><p>Gets the enumerator on all the metadata query paths.
<a href="http://msdn.microsoft.com/en-us/library/windows/desktop/ee719796(v=vs.85).aspx#expressionanatomy">http://msdn.microsoft.com/en-us/library/windows/desktop/ee719796(v=vs.85).aspx#expressionanatomy</a></p>
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      </tr>
    </tbody>
  </table>
  <h3 id="methods">Methods
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  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td id="C1_Util_DX_WIC_MetadataQueryReader_Dump_System_IO_TextWriter_System_Int32_" data-uid="C1.Util.DX.WIC.MetadataQueryReader.Dump(System.IO.TextWriter,System.Int32)">
          <a class="xref" href="C1.Util.DX.WIC.MetadataQueryReader.Dump.html#C1_Util_DX_WIC_MetadataQueryReader_Dump_System_IO_TextWriter_System_Int32_">Dump(TextWriter, int)</a>
        </td>
        <td class="markdown level1 summary"><p>Dumps all metadata.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Util_DX_WIC_MetadataQueryReader_GetContainerFormat" data-uid="C1.Util.DX.WIC.MetadataQueryReader.GetContainerFormat">
          <a class="xref" href="C1.Util.DX.WIC.MetadataQueryReader.GetContainerFormat.html#C1_Util_DX_WIC_MetadataQueryReader_GetContainerFormat">GetContainerFormat()</a>
        </td>
        <td class="markdown level1 summary"><p>HRESULT IWICMetadataQueryReader::GetContainerFormat([Out] GUID* pguidContainerFormat)</p>
</td>
      </tr>
      <tr>
        <td id="C1_Util_DX_WIC_MetadataQueryReader_GetEnumerator" data-uid="C1.Util.DX.WIC.MetadataQueryReader.GetEnumerator">
          <a class="xref" href="C1.Util.DX.WIC.MetadataQueryReader.GetEnumerator.html#C1_Util_DX_WIC_MetadataQueryReader_GetEnumerator">GetEnumerator()</a>
        </td>
        <td class="markdown level1 summary"><p>HRESULT IWICMetadataQueryReader::GetEnumerator([Out] void** ppIEnumString)</p>
</td>
      </tr>
      <tr>
        <td id="C1_Util_DX_WIC_MetadataQueryReader_GetLocation_System_Int32_System_IntPtr_" data-uid="C1.Util.DX.WIC.MetadataQueryReader.GetLocation(System.Int32,System.IntPtr)">
          <a class="xref" href="C1.Util.DX.WIC.MetadataQueryReader.GetLocation.html#C1_Util_DX_WIC_MetadataQueryReader_GetLocation_System_Int32_System_IntPtr_">GetLocation(int, IntPtr)</a>
        </td>
        <td class="markdown level1 summary"><p>HRESULT IWICMetadataQueryReader::GetLocation([In] unsigned int cchMaxLength,[In] void* wzNamespace,[Out] unsigned int* pcchActualLength)</p>
</td>
      </tr>
      <tr>
        <td id="C1_Util_DX_WIC_MetadataQueryReader_GetMetadataByName_System_String_" data-uid="C1.Util.DX.WIC.MetadataQueryReader.GetMetadataByName(System.String)">
          <a class="xref" href="C1.Util.DX.WIC.MetadataQueryReader.GetMetadataByName.html#C1_Util_DX_WIC_MetadataQueryReader_GetMetadataByName_System_String_">GetMetadataByName(string)</a>
        </td>
        <td class="markdown level1 summary"><p>Gets the metadata value by name.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Util_DX_WIC_MetadataQueryReader_GetMetadataByName_System_String_System_IntPtr_" data-uid="C1.Util.DX.WIC.MetadataQueryReader.GetMetadataByName(System.String,System.IntPtr)">
          <a class="xref" href="C1.Util.DX.WIC.MetadataQueryReader.GetMetadataByName.html#C1_Util_DX_WIC_MetadataQueryReader_GetMetadataByName_System_String_System_IntPtr_">GetMetadataByName(string, IntPtr)</a>
        </td>
        <td class="markdown level1 summary"><p>HRESULT IWICMetadataQueryReader::GetMetadataByName([In] const wchar_t* wzName,[In] void* pvarValue)</p>
</td>
      </tr>
      <tr>
        <td id="C1_Util_DX_WIC_MetadataQueryReader_TryGetMetadataByName_System_String_" data-uid="C1.Util.DX.WIC.MetadataQueryReader.TryGetMetadataByName(System.String)">
          <a class="xref" href="C1.Util.DX.WIC.MetadataQueryReader.TryGetMetadataByName.html#C1_Util_DX_WIC_MetadataQueryReader_TryGetMetadataByName_System_String_">TryGetMetadataByName(string)</a>
        </td>
        <td class="markdown level1 summary"><p>Try to get the metadata value by name.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Util_DX_WIC_MetadataQueryReader_TryGetMetadataByName_System_String_System_Object__" data-uid="C1.Util.DX.WIC.MetadataQueryReader.TryGetMetadataByName(System.String,System.Object@)">
          <a class="xref" href="C1.Util.DX.WIC.MetadataQueryReader.TryGetMetadataByName.html#C1_Util_DX_WIC_MetadataQueryReader_TryGetMetadataByName_System_String_System_Object__">TryGetMetadataByName(string, out object)</a>
        </td>
        <td class="markdown level1 summary"><p>Try to get the metadata value by name.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h3 id="operators">Operators
</h3>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td id="C1_Util_DX_WIC_MetadataQueryReader_op_Explicit_System_IntPtr__C1_Util_DX_WIC_MetadataQueryReader" data-uid="C1.Util.DX.WIC.MetadataQueryReader.op_Explicit(System.IntPtr)~C1.Util.DX.WIC.MetadataQueryReader">
          <a class="xref" href="C1.Util.DX.WIC.MetadataQueryReader.op_Explicit.html#C1_Util_DX_WIC_MetadataQueryReader_op_Explicit_System_IntPtr__C1_Util_DX_WIC_MetadataQueryReader">explicit operator MetadataQueryReader(IntPtr)</a>
        </td>
        <td class="markdown level1 summary"><p>Performs an explicit conversion from <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.intptr">IntPtr</a> to <a class="xref" href="C1.Util.DX.WIC.MetadataQueryReader.html">MetadataQueryReader</a>.</p>
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      </tr>
    </tbody>
  </table>

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