# GrapeCity.ActiveReports.PageReportModel.ReportItemCollectionEventHandler.BeginInvoke

## Content

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<h1 id="GrapeCity_ActiveReports_PageReportModel_ReportItemCollectionEventHandler_BeginInvoke_" data-uid="GrapeCity.ActiveReports.PageReportModel.ReportItemCollectionEventHandler.BeginInvoke*">BeginInvoke Method
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<a id="GrapeCity_ActiveReports_PageReportModel_ReportItemCollectionEventHandler_BeginInvoke_" data-uid="GrapeCity.ActiveReports.PageReportModel.ReportItemCollectionEventHandler.BeginInvoke*"></a>
<h4 id="GrapeCity_ActiveReports_PageReportModel_ReportItemCollectionEventHandler_BeginInvoke_System_Object_GrapeCity_ActiveReports_PageReportModel_ReportItemCollectionEventArgs_System_AsyncCallback_System_Object_" data-uid="GrapeCity.ActiveReports.PageReportModel.ReportItemCollectionEventHandler.BeginInvoke(System.Object,GrapeCity.ActiveReports.PageReportModel.ReportItemCollectionEventArgs,System.AsyncCallback,System.Object)">BeginInvoke(object, ReportItemCollectionEventArgs, 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(object sender, ReportItemCollectionEventArgs e, AsyncCallback callback, object @object)</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="https://learn.microsoft.com/dotnet/api/system.object">object</a></td>
      <td><span class="parametername">sender</span></td>
      <td></td>
    </tr>
    <tr>
      <td><a class="xref" href="GrapeCity.ActiveReports.PageReportModel.ReportItemCollectionEventArgs.html">ReportItemCollectionEventArgs</a></td>
      <td><span class="parametername">e</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>
</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.iasyncresult">IAsyncResult</a></td>
      <td></td>
    </tr>
  </tbody>
</table>
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