# C1.Win.TreeView.SelectionModifier

## Content

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




  <h1 id="C1_Win_TreeView_SelectionModifier" data-uid="C1.Win.TreeView.SelectionModifier" class="text-break">SelectionModifier Enum
</h1>
  <div class="markdown level0 summary"><p>Specifies a modifier key for nodes selection in <a class="xref" href="C1.Win.TreeView.C1TreeViewSelectionMode.html#C1_Win_TreeView_C1TreeViewSelectionMode_Multi">Multi</a> and <a class="xref" href="C1.Win.TreeView.C1TreeViewSelectionMode.html#C1_Win_TreeView_C1TreeViewSelectionMode_MultiSibling">MultiSibling</a> modes.</p>
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  <div class="markdown level0 conceptual"></div>
  <h6><strong>Namespace</strong>: <a class="xref" href="C1.Win.TreeView.html">C1.Win.TreeView</a></h6>
  <h6><strong>Assembly</strong>: C1.Win.TreeView.10.dll</h6>
  <h5 id="C1_Win_TreeView_SelectionModifier_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public enum SelectionModifier</code></pre>
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  <div class="codewrapper">
    <pre><code class="lang-vbnet hljs">Public Enum SelectionModifier</code></pre>
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  <h3 id="fields">Fields
</h3>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    <thead>
    </thead></thead><tbody>
      <tr>
        <td id="C1_Win_TreeView_SelectionModifier_Ctrl">Ctrl</td>
        <td><p>Selects nodes on mouse click and unselects nodes on Ctrl + mouse click.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_TreeView_SelectionModifier_None">None</td>
        <td><p>Selects or unselects nodes on mouse click.</p>
</td>
      </tr>
    </tbody>
  </table>
</div>