# C1.WPF.Grid.FlexGrid.TreeColumnIndex

## Content

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<h1 id="C1_WPF_Grid_FlexGrid_TreeColumnIndex_" data-uid="C1.WPF.Grid.FlexGrid.TreeColumnIndex*">TreeColumnIndex Property
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<h4 id="C1_WPF_Grid_FlexGrid_TreeColumnIndex" data-uid="C1.WPF.Grid.FlexGrid.TreeColumnIndex">TreeColumnIndex</h4>
<div class="markdown level1 summary"><p>Gets or sets the index of the column that will display the expand/collapse buttons in <a class="xref" href="C1.WPF.Grid.GridGroupRow.html">GridGroupRow</a>'s.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public int TreeColumnIndex { get; set; }</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Property TreeColumnIndex As Integer</code></pre>
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