# C1.DataEngine.GroupOpCallback

## Content

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  <h1 id="C1_DataEngine_GroupOpCallback" data-uid="C1.DataEngine.GroupOpCallback" class="text-break">GroupOpCallback Delegate
</h1>
  <div class="markdown level0 summary"></div>
  <div class="markdown level0 conceptual"></div>
  <h6><strong>Namespace</strong>: <a class="xref" href="C1.DataEngine.html">C1.DataEngine</a></h6>
  <h6><strong>Assembly</strong>: C1.DataEngine.dll</h6>
  <h5 id="C1_DataEngine_GroupOpCallback_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public delegate void GroupOpCallback(Values[] columns, long offset, long count, Values result, long offsetResult)</code></pre>
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  <div class="codewrapper">
    <pre><code class="lang-vbnet hljs">Public Delegate Sub GroupOpCallback(columns As Values(), offset As Long, count As Long, result As Values, offsetResult 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>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="C1.DataEngine.Values.html">Values</a>[]</td>
        <td><span class="parametername">columns</span></td>
        <td></td>
      </tr>
      <tr>
        <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int64">long</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.int64">long</a></td>
        <td><span class="parametername">count</span></td>
        <td></td>
      </tr>
      <tr>
        <td><a class="xref" href="C1.DataEngine.Values.html">Values</a></td>
        <td><span class="parametername">result</span></td>
        <td></td>
      </tr>
      <tr>
        <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int64">long</a></td>
        <td><span class="parametername">offsetResult</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  <h3 id="constructors">Constructors
</h3>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td id="C1_DataEngine_GroupOpCallback__ctor_System_Object_System_IntPtr_" data-uid="C1.DataEngine.GroupOpCallback.#ctor(System.Object,System.IntPtr)">
          <a class="xref" href="C1.DataEngine.GroupOpCallback.-ctor.html#C1_DataEngine_GroupOpCallback__ctor_System_Object_System_IntPtr_">GroupOpCallback(object, IntPtr)</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
    </tbody>
  </table>
  <h3 id="methods">Methods
</h3>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td id="C1_DataEngine_GroupOpCallback_BeginInvoke_C1_DataEngine_Values___System_Int64_System_Int64_C1_DataEngine_Values_System_Int64_System_AsyncCallback_System_Object_" data-uid="C1.DataEngine.GroupOpCallback.BeginInvoke(C1.DataEngine.Values[],System.Int64,System.Int64,C1.DataEngine.Values,System.Int64,System.AsyncCallback,System.Object)">
          <a class="xref" href="C1.DataEngine.GroupOpCallback.BeginInvoke.html#C1_DataEngine_GroupOpCallback_BeginInvoke_C1_DataEngine_Values___System_Int64_System_Int64_C1_DataEngine_Values_System_Int64_System_AsyncCallback_System_Object_">BeginInvoke(Values[], long, long, Values, long, AsyncCallback, object)</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
      <tr>
        <td id="C1_DataEngine_GroupOpCallback_EndInvoke_System_IAsyncResult_" data-uid="C1.DataEngine.GroupOpCallback.EndInvoke(System.IAsyncResult)">
          <a class="xref" href="C1.DataEngine.GroupOpCallback.EndInvoke.html#C1_DataEngine_GroupOpCallback_EndInvoke_System_IAsyncResult_">EndInvoke(IAsyncResult)</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
      <tr>
        <td id="C1_DataEngine_GroupOpCallback_Invoke_C1_DataEngine_Values___System_Int64_System_Int64_C1_DataEngine_Values_System_Int64_" data-uid="C1.DataEngine.GroupOpCallback.Invoke(C1.DataEngine.Values[],System.Int64,System.Int64,C1.DataEngine.Values,System.Int64)">
          <a class="xref" href="C1.DataEngine.GroupOpCallback.Invoke.html#C1_DataEngine_GroupOpCallback_Invoke_C1_DataEngine_Values___System_Int64_System_Int64_C1_DataEngine_Values_System_Int64_">Invoke(Values[], long, long, Values, long)</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
    </tbody>
  </table>

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