# CSJ2K.j2k.util.ISRandomAccessIO.writeLong

## Content

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<h1 id="CSJ2K_j2k_util_ISRandomAccessIO_writeLong_" data-uid="CSJ2K.j2k.util.ISRandomAccessIO.writeLong*">writeLong Method
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<div class="markdown level0 conceptual"></div>



<a id="CSJ2K_j2k_util_ISRandomAccessIO_writeLong_" data-uid="CSJ2K.j2k.util.ISRandomAccessIO.writeLong*"></a>
<h4 id="CSJ2K_j2k_util_ISRandomAccessIO_writeLong_System_Int64_" data-uid="CSJ2K.j2k.util.ISRandomAccessIO.writeLong(System.Int64)">writeLong(long)</h4>
<div class="markdown level1 summary"><p>Throws an IOException since this class does not implement data output.</p>
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<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public virtual void writeLong(long v)</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Overridable Sub writeLong(v As Long)</code></pre>
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<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
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    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int64">long</a></td>
      <td><span class="parametername">v</span></td>
      <td></td>
    </tr>
  </tbody>
</table>
<h5 class="implements">Implements</h5>
    <div><a class="xref" href="CSJ2K.j2k.io.BinaryDataOutput.writeLong.html#CSJ2K_j2k_io_BinaryDataOutput_writeLong_System_Int64_">BinaryDataOutput.writeLong(long)</a></div>
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