# C1.Win.TrueDBGrid.GroupColEventHandler

## Content

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  <h1 id="C1_Win_TrueDBGrid_GroupColEventHandler" data-uid="C1.Win.TrueDBGrid.GroupColEventHandler" class="text-break">GroupColEventHandler Delegate
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  <div class="markdown level0 summary"><p>Raised when grouping columns.</p>
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  <div class="markdown level0 conceptual"></div>
  <h6><strong>Namespace</strong>: <a class="xref" href="C1.Win.TrueDBGrid.html">C1.Win.TrueDBGrid</a></h6>
  <h6><strong>Assembly</strong>: C1.Win.TrueDBGrid.10.dll</h6>
  <h5 id="C1_Win_TrueDBGrid_GroupColEventHandler_syntax">Syntax</h5>
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    <pre><code class="lang-csharp hljs">public delegate void GroupColEventHandler(object sender, GroupColEventArgs e)</code></pre>
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  <div class="codewrapper">
    <pre><code class="lang-vbnet hljs">Public Delegate Sub GroupColEventHandler(sender As Object, e As GroupColEventArgs)</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>
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    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a></td>
        <td><span class="parametername">sender</span></td>
        <td>Raised when grouping columns.</td>
      </tr>
      <tr>
        <td><a class="xref" href="C1.Win.TrueDBGrid.GroupColEventArgs.html">GroupColEventArgs</a></td>
        <td><span class="parametername">e</span></td>
        <td>Raised when grouping columns.</td>
      </tr>
    </tbody>
  </table>
  <h3 id="constructors">Constructors
</h3>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
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    </thead>
    <tbody>
      <tr>
        <td id="C1_Win_TrueDBGrid_GroupColEventHandler__ctor_System_Object_System_IntPtr_" data-uid="C1.Win.TrueDBGrid.GroupColEventHandler.#ctor(System.Object,System.IntPtr)">
          <a class="xref" href="C1.Win.TrueDBGrid.GroupColEventHandler.-ctor.html#C1_Win_TrueDBGrid_GroupColEventHandler__ctor_System_Object_System_IntPtr_">GroupColEventHandler(object, nint)</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
    </tbody>
  </table>
  <h3 id="methods">Methods
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  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
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    </thead>
    <tbody>
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        <td id="C1_Win_TrueDBGrid_GroupColEventHandler_BeginInvoke_System_Object_C1_Win_TrueDBGrid_GroupColEventArgs_System_AsyncCallback_System_Object_" data-uid="C1.Win.TrueDBGrid.GroupColEventHandler.BeginInvoke(System.Object,C1.Win.TrueDBGrid.GroupColEventArgs,System.AsyncCallback,System.Object)">
          <a class="xref" href="C1.Win.TrueDBGrid.GroupColEventHandler.BeginInvoke.html#C1_Win_TrueDBGrid_GroupColEventHandler_BeginInvoke_System_Object_C1_Win_TrueDBGrid_GroupColEventArgs_System_AsyncCallback_System_Object_">BeginInvoke(object, GroupColEventArgs, AsyncCallback, object)</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
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        <td id="C1_Win_TrueDBGrid_GroupColEventHandler_EndInvoke_System_IAsyncResult_" data-uid="C1.Win.TrueDBGrid.GroupColEventHandler.EndInvoke(System.IAsyncResult)">
          <a class="xref" href="C1.Win.TrueDBGrid.GroupColEventHandler.EndInvoke.html#C1_Win_TrueDBGrid_GroupColEventHandler_EndInvoke_System_IAsyncResult_">EndInvoke(IAsyncResult)</a>
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        <td class="markdown level1 summary"></td>
      </tr>
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        <td id="C1_Win_TrueDBGrid_GroupColEventHandler_Invoke_System_Object_C1_Win_TrueDBGrid_GroupColEventArgs_" data-uid="C1.Win.TrueDBGrid.GroupColEventHandler.Invoke(System.Object,C1.Win.TrueDBGrid.GroupColEventArgs)">
          <a class="xref" href="C1.Win.TrueDBGrid.GroupColEventHandler.Invoke.html#C1_Win_TrueDBGrid_GroupColEventHandler_Invoke_System_Object_C1_Win_TrueDBGrid_GroupColEventArgs_">Invoke(object, GroupColEventArgs)</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
    </tbody>
  </table>

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