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<div class="section">
<div class="titlepage"><div><div><h4 class="title">
<a name="boost_asio.reference.windows__basic_object_handle.lowest_layer_type"></a><a class="link" href="lowest_layer_type.html" title="windows::basic_object_handle::lowest_layer_type">windows::basic_object_handle::lowest_layer_type</a>
</h4></div></div></div>
<p>
          <a class="indexterm" name="boost_asio.indexterm.windows__basic_object_handle.lowest_layer_type"></a> 
An
          object handle is always the lowest layer.
        </p>
<pre class="programlisting">typedef basic_object_handle lowest_layer_type;
</pre>
<h6>
<a name="boost_asio.reference.windows__basic_object_handle.lowest_layer_type.h0"></a>
          <span class="phrase"><a name="boost_asio.reference.windows__basic_object_handle.lowest_layer_type.types"></a></span><a class="link" href="lowest_layer_type.html#boost_asio.reference.windows__basic_object_handle.lowest_layer_type.types">Types</a>
        </h6>
<div class="informaltable"><table class="table">
<colgroup>
<col>
<col>
</colgroup>
<thead><tr>
<th>
                  <p>
                    Name
                  </p>
                </th>
<th>
                  <p>
                    Description
                  </p>
                </th>
</tr></thead>
<tbody>
<tr>
<td>
                  <p>
                    <a class="link" href="executor_type.html" title="windows::basic_object_handle::executor_type"><span class="bold"><strong>executor_type</strong></span></a>
                  </p>
                </td>
<td>
                  <p>
                    The type of the executor associated with the object.
                  </p>
                </td>
</tr>
<tr>
<td>
                  <p>
                    <a class="link" href="lowest_layer_type.html" title="windows::basic_object_handle::lowest_layer_type"><span class="bold"><strong>lowest_layer_type</strong></span></a>
                  </p>
                </td>
<td>
                  <p>
                    An object handle is always the lowest layer.
                  </p>
                </td>
</tr>
<tr>
<td>
                  <p>
                    <a class="link" href="native_handle_type.html" title="windows::basic_object_handle::native_handle_type"><span class="bold"><strong>native_handle_type</strong></span></a>
                  </p>
                </td>
<td>
                  <p>
                    The native representation of a handle.
                  </p>
                </td>
</tr>
</tbody>
</table></div>
<h6>
<a name="boost_asio.reference.windows__basic_object_handle.lowest_layer_type.h1"></a>
          <span class="phrase"><a name="boost_asio.reference.windows__basic_object_handle.lowest_layer_type.member_functions"></a></span><a class="link" href="lowest_layer_type.html#boost_asio.reference.windows__basic_object_handle.lowest_layer_type.member_functions">Member
          Functions</a>
        </h6>
<div class="informaltable"><table class="table">
<colgroup>
<col>
<col>
</colgroup>
<thead><tr>
<th>
                  <p>
                    Name
                  </p>
                </th>
<th>
                  <p>
                    Description
                  </p>
                </th>
</tr></thead>
<tbody>
<tr>
<td>
                  <p>
                    <a class="link" href="assign.html" title="windows::basic_object_handle::assign"><span class="bold"><strong>assign</strong></span></a>
                  </p>
                </td>
<td>
                  <p>
                    Assign an existing native handle to the handle.
                  </p>
                </td>
</tr>
<tr>
<td>
                  <p>
                    <a class="link" href="async_wait.html" title="windows::basic_object_handle::async_wait"><span class="bold"><strong>async_wait</strong></span></a>
                  </p>
                </td>
<td>
                  <p>
                    Start an asynchronous wait on the object handle.
                  </p>
                </td>
</tr>
<tr>
<td>
                  <p>
                    <a class="link" href="basic_object_handle.html" title="windows::basic_object_handle::basic_object_handle"><span class="bold"><strong>basic_object_handle</strong></span></a>
                  </p>
                </td>
<td>
                  <p>
                    Construct an object handle without opening it. <br> <span class="silver"> &#8212;</span><br>
                    Construct an object handle on an existing native handle. <br>
                    <span class="silver"> &#8212;</span><br> Move-construct an object handle from another.
                  </p>
                </td>
</tr>
<tr>
<td>
                  <p>
                    <a class="link" href="cancel.html" title="windows::basic_object_handle::cancel"><span class="bold"><strong>cancel</strong></span></a>
                  </p>
                </td>
<td>
                  <p>
                    Cancel all asynchronous operations associated with the handle.
                  </p>
                </td>
</tr>
<tr>
<td>
                  <p>
                    <a class="link" href="close.html" title="windows::basic_object_handle::close"><span class="bold"><strong>close</strong></span></a>
                  </p>
                </td>
<td>
                  <p>
                    Close the handle.
                  </p>
                </td>
</tr>
<tr>
<td>
                  <p>
                    <a class="link" href="get_executor.html" title="windows::basic_object_handle::get_executor"><span class="bold"><strong>get_executor</strong></span></a>
                  </p>
                </td>
<td>
                  <p>
                    Get the executor associated with the object.
                  </p>
                </td>
</tr>
<tr>
<td>
                  <p>
                    <a class="link" href="is_open.html" title="windows::basic_object_handle::is_open"><span class="bold"><strong>is_open</strong></span></a>
                  </p>
                </td>
<td>
                  <p>
                    Determine whether the handle is open.
                  </p>
                </td>
</tr>
<tr>
<td>
                  <p>
                    <a class="link" href="lowest_layer.html" title="windows::basic_object_handle::lowest_layer"><span class="bold"><strong>lowest_layer</strong></span></a>
                  </p>
                </td>
<td>
                  <p>
                    Get a reference to the lowest layer. <br> <span class="silver"> &#8212;</span><br> Get a const
                    reference to the lowest layer.
                  </p>
                </td>
</tr>
<tr>
<td>
                  <p>
                    <a class="link" href="native_handle.html" title="windows::basic_object_handle::native_handle"><span class="bold"><strong>native_handle</strong></span></a>
                  </p>
                </td>
<td>
                  <p>
                    Get the native handle representation.
                  </p>
                </td>
</tr>
<tr>
<td>
                  <p>
                    <a class="link" href="operator_eq_.html" title="windows::basic_object_handle::operator="><span class="bold"><strong>operator=</strong></span></a>
                  </p>
                </td>
<td>
                  <p>
                    Move-assign an object handle from another.
                  </p>
                </td>
</tr>
<tr>
<td>
                  <p>
                    <a class="link" href="wait.html" title="windows::basic_object_handle::wait"><span class="bold"><strong>wait</strong></span></a>
                  </p>
                </td>
<td>
                  <p>
                    Perform a blocking wait on the object handle.
                  </p>
                </td>
</tr>
</tbody>
</table></div>
<p>
          The <a class="link" href="../windows__basic_object_handle.html" title="windows::basic_object_handle"><code class="computeroutput">windows::basic_object_handle</code></a>
          class provides asynchronous and blocking object-oriented handle functionality.
        </p>
<h6>
<a name="boost_asio.reference.windows__basic_object_handle.lowest_layer_type.h2"></a>
          <span class="phrase"><a name="boost_asio.reference.windows__basic_object_handle.lowest_layer_type.thread_safety"></a></span><a class="link" href="lowest_layer_type.html#boost_asio.reference.windows__basic_object_handle.lowest_layer_type.thread_safety">Thread
          Safety</a>
        </h6>
<p>
          <span class="emphasis"><em>Distinct</em></span> <span class="emphasis"><em>objects:</em></span> Safe.
        </p>
<p>
          <span class="emphasis"><em>Shared</em></span> <span class="emphasis"><em>objects:</em></span> Unsafe.
        </p>
<h6>
<a name="boost_asio.reference.windows__basic_object_handle.lowest_layer_type.h3"></a>
          <span class="phrase"><a name="boost_asio.reference.windows__basic_object_handle.lowest_layer_type.requirements"></a></span><a class="link" href="lowest_layer_type.html#boost_asio.reference.windows__basic_object_handle.lowest_layer_type.requirements">Requirements</a>
        </h6>
<p>
          <span class="emphasis"><em>Header: </em></span><code class="literal">boost/asio/windows/basic_object_handle.hpp</code>
        </p>
<p>
          <span class="emphasis"><em>Convenience header: </em></span><code class="literal">boost/asio.hpp</code>
        </p>
</div>
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<td align="right"><div class="copyright-footer">Copyright &#169; 2003-2019 Christopher M. Kohlhoff<p>
        Distributed under the Boost Software License, Version 1.0. (See accompanying
        file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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