# C1.WPF.C1TreeView.OnDragOver

## Content

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<h1 id="C1_WPF_C1TreeView_OnDragOver_" data-uid="C1.WPF.C1TreeView.OnDragOver*">OnDragOver Method
</h1>
<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_WPF_C1TreeView_OnDragOver_" data-uid="C1.WPF.C1TreeView.OnDragOver*"></a>
<h4 id="C1_WPF_C1TreeView_OnDragOver_System_Object_C1_WPF_DragDropEventArgs_" data-uid="C1.WPF.C1TreeView.OnDragOver(System.Object,C1.WPF.DragDropEventArgs)">OnDragOver(object, DragDropEventArgs)</h4>
<div class="markdown level1 summary"><p>Raises the <span class="xref">C1.Silverlight.C1TreeView.DragOver</span> event.</p>
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<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">protected virtual void OnDragOver(object source, DragDropEventArgs e)</code></pre>
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<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Protected Overridable Sub OnDragOver(source As Object, e As DragDropEventArgs)</code></pre>
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<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">source</span></td>
      <td><p>Used to set the source of the event.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="C1.WPF.DragDropEventArgs.html">DragDropEventArgs</a></td>
      <td><span class="parametername">e</span></td>
      <td><p><span class="xref">C1.Silverlight.DragDropEventArgs</span> that contains the event data.</p>
</td>
    </tr>
  </tbody>
</table>


<a id="C1_WPF_C1TreeView_OnDragOver_" data-uid="C1.WPF.C1TreeView.OnDragOver*"></a>
<h4 id="C1_WPF_C1TreeView_OnDragOver_System_Windows_DragEventArgs_" data-uid="C1.WPF.C1TreeView.OnDragOver(System.Windows.DragEventArgs)">OnDragOver(DragEventArgs)</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">protected override void OnDragOver(DragEventArgs e)</code></pre>
</div>
<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Protected Overrides Sub OnDragOver(e As DragEventArgs)</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.windows.drageventargs">DragEventArgs</a></td>
      <td><span class="parametername">e</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.uielement.ondragover">UIElement.OnDragOver(DragEventArgs)</a></div>
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