# C1.Util.Win.Win32.EditStreamCallbackProc.BeginInvoke

## Content

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<h1 id="C1_Util_Win_Win32_EditStreamCallbackProc_BeginInvoke_" data-uid="C1.Util.Win.Win32.EditStreamCallbackProc.BeginInvoke*">BeginInvoke Method
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<a id="C1_Util_Win_Win32_EditStreamCallbackProc_BeginInvoke_" data-uid="C1.Util.Win.Win32.EditStreamCallbackProc.BeginInvoke*"></a>
<h4 id="C1_Util_Win_Win32_EditStreamCallbackProc_BeginInvoke_System_IntPtr_System_IntPtr_System_Int32_System_Int32__System_AsyncCallback_System_Object_" data-uid="C1.Util.Win.Win32.EditStreamCallbackProc.BeginInvoke(System.IntPtr,System.IntPtr,System.Int32,System.Int32@,System.AsyncCallback,System.Object)">BeginInvoke(nint, nint, int, ref int, AsyncCallback, object)</h4>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public virtual IAsyncResult BeginInvoke(nint dwCookie, nint buf, int cb, ref int pcb, AsyncCallback callback, object @object)</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Overridable Function BeginInvoke(dwCookie As IntPtr, buf As IntPtr, cb As Integer, ByRef pcb As Integer, callback As AsyncCallback, [object] As Object) As IAsyncResult</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>
    </tr>
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    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.intptr">nint</a></td>
      <td><span class="parametername">dwCookie</span></td>
      <td></td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.intptr">nint</a></td>
      <td><span class="parametername">buf</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">cb</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">pcb</span></td>
      <td></td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.asynccallback">AsyncCallback</a></td>
      <td><span class="parametername">callback</span></td>
      <td></td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a></td>
      <td><span class="parametername">object</span></td>
      <td></td>
    </tr>
  </tbody>
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<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.iasyncresult">IAsyncResult</a></td>
      <td></td>
    </tr>
  </tbody>
</table>
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