# C1.Win.Collections.ObjectModel.ObservableDictionary-2.OnItemChanged

## Content

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<h1 id="C1_Win_Collections_ObjectModel_ObservableDictionary_2_OnItemChanged_" data-uid="C1.Win.Collections.ObjectModel.ObservableDictionary`2.OnItemChanged*">OnItemChanged Method
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<div class="markdown level0 conceptual"></div>



<a id="C1_Win_Collections_ObjectModel_ObservableDictionary_2_OnItemChanged_" data-uid="C1.Win.Collections.ObjectModel.ObservableDictionary`2.OnItemChanged*"></a>
<h4 id="C1_Win_Collections_ObjectModel_ObservableDictionary_2_OnItemChanged_C1_Win_Collections_ObjectModel_ItemChangedEventArgs_C1_Win_Collections_ObjectModel_ObservableKeyValuePair__0__1___" data-uid="C1.Win.Collections.ObjectModel.ObservableDictionary`2.OnItemChanged(C1.Win.Collections.ObjectModel.ItemChangedEventArgs{C1.Win.Collections.ObjectModel.ObservableKeyValuePair{`0,`1}})">OnItemChanged(ItemChangedEventArgs&lt;ObservableKeyValuePair&lt;TKey, TValue&gt;&gt;)</h4>
<div class="markdown level1 summary"><p>Fires the <a class="xref" href="C1.Win.Collections.ObjectModel.ObservableDictionary-2.ItemChanged.html">ItemChanged</a> event.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">protected virtual void OnItemChanged(ItemChangedEventArgs&lt;ObservableKeyValuePair&lt;TKey, TValue&gt;&gt; e)</code></pre>
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  <pre><code class="lang-vbnet hljs">Protected Overridable Sub OnItemChanged(e As ItemChangedEventArgs(Of ObservableKeyValuePair(Of TKey, TValue)))</code></pre>
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<h5 class="parameters">Parameters</h5>
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      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
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      <td><a class="xref" href="C1.Win.Collections.ObjectModel.ItemChangedEventArgs-1.html">ItemChangedEventArgs</a>&lt;<a class="xref" href="C1.Win.Collections.ObjectModel.ObservableKeyValuePair-2.html">ObservableKeyValuePair</a>&lt;TKey, TValue&gt;&gt;</td>
      <td><span class="parametername">e</span></td>
      <td></td>
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