# C1.WPF.TabControl.C1TabItem.OnContentTemplateChanged

## Content

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<h1 id="C1_WPF_TabControl_C1TabItem_OnContentTemplateChanged_" data-uid="C1.WPF.TabControl.C1TabItem.OnContentTemplateChanged*">OnContentTemplateChanged Method
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<div class="markdown level0 conceptual"></div>



<a id="C1_WPF_TabControl_C1TabItem_OnContentTemplateChanged_" data-uid="C1.WPF.TabControl.C1TabItem.OnContentTemplateChanged*"></a>
<h4 id="C1_WPF_TabControl_C1TabItem_OnContentTemplateChanged_System_Windows_DataTemplate_System_Windows_DataTemplate_" data-uid="C1.WPF.TabControl.C1TabItem.OnContentTemplateChanged(System.Windows.DataTemplate,System.Windows.DataTemplate)">OnContentTemplateChanged(DataTemplate, DataTemplate)</h4>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">protected override void OnContentTemplateChanged(DataTemplate oldContentTemplate, DataTemplate newContentTemplate)</code></pre>
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  <pre><code class="lang-vbnet hljs">Protected Overrides Sub OnContentTemplateChanged(oldContentTemplate As DataTemplate, newContentTemplate As DataTemplate)</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.windows.datatemplate">DataTemplate</a></td>
      <td><span class="parametername">oldContentTemplate</span></td>
      <td></td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.windows.datatemplate">DataTemplate</a></td>
      <td><span class="parametername">newContentTemplate</span></td>
      <td></td>
    </tr>
  </tbody>
</table>
<h5 class="overrides">Overrides</h5>
<div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.windows.controls.contentcontrol.oncontenttemplatechanged">ContentControl.OnContentTemplateChanged(DataTemplate, DataTemplate)</a></div>
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