# C1.Schedule.CancelAppointmentEventHandler

## Content

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  <h1 id="C1_Schedule_CancelAppointmentEventHandler" data-uid="C1.Schedule.CancelAppointmentEventHandler" class="text-break">CancelAppointmentEventHandler Delegate
</h1>
  <div class="markdown level0 summary"><p>Delegate for handling the cancellable event involving a single
<a class="xref" href="C1.Schedule.Appointment.html">Appointment</a> object.</p>
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  <div class="markdown level0 conceptual"></div>
  <h6><strong>Namespace</strong>: <a class="xref" href="C1.Schedule.html">C1.Schedule</a></h6>
  <h6><strong>Assembly</strong>: C1.ScheduleCore.dll</h6>
  <h5 id="C1_Schedule_CancelAppointmentEventHandler_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public delegate void CancelAppointmentEventHandler(object sender, CancelAppointmentEventArgs e)</code></pre>
  </div>
  <div class="codewrapper">
    <pre><code class="lang-vbnet hljs">Public Delegate Sub CancelAppointmentEventHandler(sender As Object, e As CancelAppointmentEventArgs)</code></pre>
  </div>
  <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.</p>
</td>
      </tr>
      <tr>
        <td><a class="xref" href="C1.Schedule.CancelAppointmentEventArgs.html">CancelAppointmentEventArgs</a></td>
        <td><span class="parametername">e</span></td>
        <td><p>The <a class="xref" href="C1.Schedule.CancelAppointmentEventArgs.html">CancelAppointmentEventArgs</a>
that contains the event data.</p>
</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_Schedule_CancelAppointmentEventHandler__ctor_System_Object_System_IntPtr_" data-uid="C1.Schedule.CancelAppointmentEventHandler.#ctor(System.Object,System.IntPtr)">
          <a class="xref" href="C1.Schedule.CancelAppointmentEventHandler.-ctor.html#C1_Schedule_CancelAppointmentEventHandler__ctor_System_Object_System_IntPtr_">CancelAppointmentEventHandler(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_Schedule_CancelAppointmentEventHandler_BeginInvoke_System_Object_C1_Schedule_CancelAppointmentEventArgs_System_AsyncCallback_System_Object_" data-uid="C1.Schedule.CancelAppointmentEventHandler.BeginInvoke(System.Object,C1.Schedule.CancelAppointmentEventArgs,System.AsyncCallback,System.Object)">
          <a class="xref" href="C1.Schedule.CancelAppointmentEventHandler.BeginInvoke.html#C1_Schedule_CancelAppointmentEventHandler_BeginInvoke_System_Object_C1_Schedule_CancelAppointmentEventArgs_System_AsyncCallback_System_Object_">BeginInvoke(object, CancelAppointmentEventArgs, AsyncCallback, object)</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
      <tr>
        <td id="C1_Schedule_CancelAppointmentEventHandler_EndInvoke_System_IAsyncResult_" data-uid="C1.Schedule.CancelAppointmentEventHandler.EndInvoke(System.IAsyncResult)">
          <a class="xref" href="C1.Schedule.CancelAppointmentEventHandler.EndInvoke.html#C1_Schedule_CancelAppointmentEventHandler_EndInvoke_System_IAsyncResult_">EndInvoke(IAsyncResult)</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
      <tr>
        <td id="C1_Schedule_CancelAppointmentEventHandler_Invoke_System_Object_C1_Schedule_CancelAppointmentEventArgs_" data-uid="C1.Schedule.CancelAppointmentEventHandler.Invoke(System.Object,C1.Schedule.CancelAppointmentEventArgs)">
          <a class="xref" href="C1.Schedule.CancelAppointmentEventHandler.Invoke.html#C1_Schedule_CancelAppointmentEventHandler_Invoke_System_Object_C1_Schedule_CancelAppointmentEventArgs_">Invoke(object, CancelAppointmentEventArgs)</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
    </tbody>
  </table>

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