# C1.Document.NotifyCollectionEventArgs.Index

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<h1 id="C1_Document_NotifyCollectionEventArgs_Index_" data-uid="C1.Document.NotifyCollectionEventArgs.Index*">Index Property
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<h4 id="C1_Document_NotifyCollectionEventArgs_Index" data-uid="C1.Document.NotifyCollectionEventArgs.Index">Index</h4>
<div class="markdown level1 summary"><p>Gets the index of the item that is affected by the change.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public int Index { get; }</code></pre>
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  <pre><code class="lang-vbnet hljs">Public ReadOnly Property Index As Integer</code></pre>
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