# C1.WPF.C1EditableContentControl.OnContentChanged

## Content

<div class="doc-site-dotnet-api-container">



<h1 id="C1_WPF_C1EditableContentControl_OnContentChanged_" data-uid="C1.WPF.C1EditableContentControl.OnContentChanged*">OnContentChanged Method
</h1>
<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_WPF_C1EditableContentControl_OnContentChanged_" data-uid="C1.WPF.C1EditableContentControl.OnContentChanged*"></a>
<h4 id="C1_WPF_C1EditableContentControl_OnContentChanged_System_Object_System_Object_" data-uid="C1.WPF.C1EditableContentControl.OnContentChanged(System.Object,System.Object)">OnContentChanged(object, object)</h4>
<div class="markdown level1 summary"><p>Called when the value of the <span class="xref">Content</span> property changes.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">protected override sealed void OnContentChanged(object oldContent, object newContent)</code></pre>
</div>
<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Protected NotOverridable Overrides Sub OnContentChanged(oldContent As Object, newContent As Object)</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">oldContent</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">newContent</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.oncontentchanged">ContentControl.OnContentChanged(object, object)</a></div>
</div>