# C1.Util.DX.DataStream.ReadRange

## Content

<div class="doc-site-dotnet-api-container">



<h1 id="C1_Util_DX_DataStream_ReadRange_" data-uid="C1.Util.DX.DataStream.ReadRange*">ReadRange Method
</h1>
<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_Util_DX_DataStream_ReadRange_" data-uid="C1.Util.DX.DataStream.ReadRange*"></a>
<h4 id="C1_Util_DX_DataStream_ReadRange__1_System_Int32_" data-uid="C1.Util.DX.DataStream.ReadRange``1(System.Int32)">ReadRange&lt;T&gt;(int)</h4>
<div class="markdown level1 summary"><p>Reads an array of values from the current stream, and advances the current position
within this stream by the number of bytes written.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">public T[] ReadRange&lt;T&gt;(int count) where T : struct</code></pre>
</div>
<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Function ReadRange(Of T As Structure)(count As Integer) As T()</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a></td>
      <td><span class="parametername">count</span></td>
      <td></td>
    </tr>
  </tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Type</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>T[]</td>
      <td><p>An array of values that was read from the current stream.</p>
</td>
    </tr>
  </tbody>
</table>
<h5 class="typeParameters">Type Parameters</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Name</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><span class="parametername">T</span></td>
      <td><p>The type of the values to be read from the stream.</p>
</td>
    </tr>
  </tbody>
</table>
<h5 id="C1_Util_DX_DataStream_ReadRange__1_System_Int32__remarks">Remarks</h5>
<div class="markdown level1 remarks"><p>In order to provide faster read/write, this operation doesn't check stream bound.
A client must carefully not read/write above the size of this datastream.</p>
</div>


<a id="C1_Util_DX_DataStream_ReadRange_" data-uid="C1.Util.DX.DataStream.ReadRange*"></a>
<h4 id="C1_Util_DX_DataStream_ReadRange__1___0___System_Int32_System_Int32_" data-uid="C1.Util.DX.DataStream.ReadRange``1(``0[],System.Int32,System.Int32)">ReadRange&lt;T&gt;(T[], int, int)</h4>
<div class="markdown level1 summary"><p>Reads a sequence of elements from the current stream into a target buffer and
advances the position within the stream by the number of bytes read.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">public int ReadRange&lt;T&gt;(T[] buffer, int offset, int count) where T : struct</code></pre>
</div>
<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Function ReadRange(Of T As Structure)(buffer As T(), offset As Integer, count As Integer) As Integer</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>T[]</td>
      <td><span class="parametername">buffer</span></td>
      <td><p>An array of values to be read from the stream.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a></td>
      <td><span class="parametername">offset</span></td>
      <td><p>The zero-based byte offset in buffer at which to begin storing
the data read from the current stream.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a></td>
      <td><span class="parametername">count</span></td>
      <td><p>The number of values to be read from the current stream.</p>
</td>
    </tr>
  </tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Type</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a></td>
      <td><p>The number of bytes read from the stream.</p>
</td>
    </tr>
  </tbody>
</table>
<h5 class="typeParameters">Type Parameters</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Name</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><span class="parametername">T</span></td>
      <td></td>
    </tr>
  </tbody>
</table>
<h5 id="C1_Util_DX_DataStream_ReadRange__1___0___System_Int32_System_Int32__remarks">Remarks</h5>
<div class="markdown level1 remarks"><p>In order to provide faster read/write, this operation doesn't check stream bound.
A client must carefully not read/write above the size of this datastream.</p>
</div>
<h5 class="exceptions">Exceptions</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Type</th>
      <th>Condition</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.notsupportedexception">NotSupportedException</a></td>
      <td><p>This stream does not support reading.</p>
</td>
    </tr>
  </tbody>
</table>
</div>