# GrapeCity.ActiveReports.Design.ToolboxItemChangedEventHandler

## Content

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  <h1 id="GrapeCity_ActiveReports_Design_ToolboxItemChangedEventHandler" data-uid="GrapeCity.ActiveReports.Design.ToolboxItemChangedEventHandler" class="text-break">ToolboxItemChangedEventHandler Delegate
</h1>
  <div class="markdown level0 summary"><p>Represents the method that will handle the ToolboxItemChanged event.</p>
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  <div class="markdown level0 conceptual"></div>
  <h6><strong>Namespace</strong>: <a class="xref" href="GrapeCity.ActiveReports.Design.html">GrapeCity.ActiveReports.Design</a></h6>
  <h6><strong>Assembly</strong>: MESCIUS.ActiveReports.Design.Win.dll</h6>
  <h5 id="GrapeCity_ActiveReports_Design_ToolboxItemChangedEventHandler_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public delegate void ToolboxItemChangedEventHandler(object sender, EventArgs e)</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><p>The source of the event, typically the toolbox from which an item's selection has changed.</p>
</td>
      </tr>
      <tr>
        <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.eventargs">EventArgs</a></td>
        <td><span class="parametername">e</span></td>
        <td><p>An <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.eventargs">EventArgs</a> object that contains no event data.</p>
</td>
      </tr>
    </tbody>
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  <h5 id="GrapeCity_ActiveReports_Design_ToolboxItemChangedEventHandler_remarks"><strong>Remarks</strong></h5>
  <div class="markdown level0 remarks"><p>This delegate is used for handling ToolboxItemChanged events, which are triggered when there is a change in the selection or configuration of a toolbox item
within the ActiveReports designer environment. The event can be used to respond to changes in the toolbox, such as enabling or disabling properties or
updating the UI based on the current toolbox selection.</p>
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  <h3 id="constructors">Constructors
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  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
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        <td id="GrapeCity_ActiveReports_Design_ToolboxItemChangedEventHandler__ctor_System_Object_System_IntPtr_" data-uid="GrapeCity.ActiveReports.Design.ToolboxItemChangedEventHandler.#ctor(System.Object,System.IntPtr)">
          <a class="xref" href="GrapeCity.ActiveReports.Design.ToolboxItemChangedEventHandler.-ctor.html#GrapeCity_ActiveReports_Design_ToolboxItemChangedEventHandler__ctor_System_Object_System_IntPtr_">ToolboxItemChangedEventHandler(object, IntPtr)</a>
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        <td class="markdown level1 summary"></td>
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  <h3 id="methods">Methods
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  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td id="GrapeCity_ActiveReports_Design_ToolboxItemChangedEventHandler_BeginInvoke_System_Object_System_EventArgs_System_AsyncCallback_System_Object_" data-uid="GrapeCity.ActiveReports.Design.ToolboxItemChangedEventHandler.BeginInvoke(System.Object,System.EventArgs,System.AsyncCallback,System.Object)">
          <a class="xref" href="GrapeCity.ActiveReports.Design.ToolboxItemChangedEventHandler.BeginInvoke.html#GrapeCity_ActiveReports_Design_ToolboxItemChangedEventHandler_BeginInvoke_System_Object_System_EventArgs_System_AsyncCallback_System_Object_">BeginInvoke(object, EventArgs, AsyncCallback, object)</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
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        <td id="GrapeCity_ActiveReports_Design_ToolboxItemChangedEventHandler_EndInvoke_System_IAsyncResult_" data-uid="GrapeCity.ActiveReports.Design.ToolboxItemChangedEventHandler.EndInvoke(System.IAsyncResult)">
          <a class="xref" href="GrapeCity.ActiveReports.Design.ToolboxItemChangedEventHandler.EndInvoke.html#GrapeCity_ActiveReports_Design_ToolboxItemChangedEventHandler_EndInvoke_System_IAsyncResult_">EndInvoke(IAsyncResult)</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
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        <td id="GrapeCity_ActiveReports_Design_ToolboxItemChangedEventHandler_Invoke_System_Object_System_EventArgs_" data-uid="GrapeCity.ActiveReports.Design.ToolboxItemChangedEventHandler.Invoke(System.Object,System.EventArgs)">
          <a class="xref" href="GrapeCity.ActiveReports.Design.ToolboxItemChangedEventHandler.Invoke.html#GrapeCity_ActiveReports_Design_ToolboxItemChangedEventHandler_Invoke_System_Object_System_EventArgs_">Invoke(object, EventArgs)</a>
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        <td class="markdown level1 summary"></td>
      </tr>
    </tbody>
  </table>

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