# C1.WPF.Schedule.C1SchedulerSettings.AllowCategoriesMultiSelection

## Content

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<h1 id="C1_WPF_Schedule_C1SchedulerSettings_AllowCategoriesMultiSelection_" data-uid="C1.WPF.Schedule.C1SchedulerSettings.AllowCategoriesMultiSelection*">AllowCategoriesMultiSelection Property
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<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_WPF_Schedule_C1SchedulerSettings_AllowCategoriesMultiSelection_" data-uid="C1.WPF.Schedule.C1SchedulerSettings.AllowCategoriesMultiSelection*"></a>
<h4 id="C1_WPF_Schedule_C1SchedulerSettings_AllowCategoriesMultiSelection" data-uid="C1.WPF.Schedule.C1SchedulerSettings.AllowCategoriesMultiSelection">AllowCategoriesMultiSelection</h4>
<div class="markdown level1 summary"><p>Determines whether multiple Category objects might be assigned to the single Appointment object.</p>
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<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public bool AllowCategoriesMultiSelection { get; set; }</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Property AllowCategoriesMultiSelection As Boolean</code></pre>
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<h5 class="propertyValue">Property Value</h5>
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  <thead>
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      <th>Type</th>
      <th>Description</th>
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      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.boolean">bool</a></td>
      <td><p>The default value is true.</p>
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    </tr>
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<h5 id="C1_WPF_Schedule_C1SchedulerSettings_AllowCategoriesMultiSelection_remarks">Remarks</h5>
<div class="markdown level1 remarks"><p>If both <a class="xref" href="C1.WPF.Schedule.C1SchedulerSettings.AllowCategoriesMultiSelection.html#C1_WPF_Schedule_C1SchedulerSettings_AllowCategoriesMultiSelection">AllowCategoriesMultiSelection</a> and <a class="xref" href="C1.WPF.Schedule.C1SchedulerSettings.AllowCategoriesEditing.html#C1_WPF_Schedule_C1SchedulerSettings_AllowCategoriesEditing">AllowCategoriesEditing</a>
properties are false, the default Appointment dialog will show ComboBox for selecting single Category object.
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<p>
If this property is true, the default Appointment dialog will allow selecting multiple categories in a separate dialog.
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