# C1.Util.DX.Storage.NativeFileStream.Read

## Content

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



<h1 id="C1_Util_DX_Storage_NativeFileStream_Read_" data-uid="C1.Util.DX.Storage.NativeFileStream.Read*">Read Method
</h1>
<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_Util_DX_Storage_NativeFileStream_Read_" data-uid="C1.Util.DX.Storage.NativeFileStream.Read*"></a>
<h4 id="C1_Util_DX_Storage_NativeFileStream_Read_System_Byte___System_Int32_System_Int32_" data-uid="C1.Util.DX.Storage.NativeFileStream.Read(System.Byte[],System.Int32,System.Int32)">Read(byte[], int, int)</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">public override int Read(byte[] buffer, int offset, int count)</code></pre>
</div>
<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Overrides Function Read(buffer As Byte(), 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><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.byte">byte</a>[]</td>
      <td><span class="parametername">buffer</span></td>
      <td></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></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></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></td>
    </tr>
  </tbody>
</table>
<h5 class="overrides">Overrides</h5>
<div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.io.stream.read">Stream.Read(byte[], int, int)</a></div>


<a id="C1_Util_DX_Storage_NativeFileStream_Read_" data-uid="C1.Util.DX.Storage.NativeFileStream.Read*"></a>
<h4 id="C1_Util_DX_Storage_NativeFileStream_Read_System_IntPtr_System_Int32_System_Int32_" data-uid="C1.Util.DX.Storage.NativeFileStream.Read(System.IntPtr,System.Int32,System.Int32)">Read(IntPtr, int, int)</h4>
<div class="markdown level1 summary"><p>Reads a block of bytes from the stream and writes the data in a given buffer.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">public int Read(IntPtr buffer, int offset, int count)</code></pre>
</div>
<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Function Read(buffer As IntPtr, 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><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.intptr">IntPtr</a></td>
      <td><span class="parametername">buffer</span></td>
      <td><p>When this method returns, contains the specified buffer with the values between offset and (offset + count - 1) replaced by the bytes read from the current source.</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 byte offset in array at which the read bytes will be placed.</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 maximum number of bytes to read.</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 total number of bytes read into the buffer. This might be less than the number of bytes requested if that number of bytes are not currently available, or zero if the end of the stream is reached.</p>
</td>
    </tr>
  </tbody>
</table>
<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.argumentnullexception">ArgumentNullException</a></td>
      <td><p>array is null.</p>
</td>
    </tr>
  </tbody>
</table>
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