# C1.Win.TouchToolKit.C1Zoom.ZoomFactorChanged

## Content

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<h1 id="C1_Win_TouchToolKit_C1Zoom_ZoomFactorChanged" data-uid="C1.Win.TouchToolKit.C1Zoom.ZoomFactorChanged" class="text-break">ZoomFactorChanged Event
</h1>
<div class="markdown level0 summary"><p>Occurs when <a class="xref" href="C1.Win.TouchToolKit.C1Zoom.ZoomFactor.html#C1_Win_TouchToolKit_C1Zoom_ZoomFactor">ZoomFactor</a> changed.</p>
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<div class="markdown level0 conceptual"></div>
<h6><strong>Namespace</strong>: <a class="xref" href="C1.Win.TouchToolKit.html">C1.Win.TouchToolKit</a></h6>
<h6><strong>Assembly</strong>: C1.Win.TouchToolKit.4.8.dll</h6>
<h5 id="C1_Win_TouchToolKit_C1Zoom_ZoomFactorChanged_syntax">Syntax</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">public event EventHandler ZoomFactorChanged</code></pre>
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<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Event ZoomFactorChanged As EventHandler</code></pre>
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<h5 class="returns">Returns</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Type</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.eventhandler">EventHandler</a></td>
      <td>Occurs when  changed.</td>
    </tr>
  </tbody>
</table>
<h5 id="C1_Win_TouchToolKit_C1Zoom_ZoomFactorChanged_examples"><strong>Examples</strong></h5>
<p>
  The following code example shows how to use this event.
</p>
<pre><code class="lang-csharp">public class GcZoomEventDemo : Form
{
	private GcZoom _gcZoom1 = new GcZoom();

	public GcZoomEventDemo()
	{
		_gcZoom1.Target = this;
		_gcZoom1.AutoShowControl = true;
		_gcZoom1.ZoomFactorChanged += _gcZoom1_ZoomFactorChanged;
	}

	void _gcZoom1_ZoomFactorChanged(object sender, EventArgs e)
	{
		Console.WriteLine(_gcZoom1.ZoomFactor.ToString());
	}
}</code></pre>
<pre><code class="lang-csharp">Public Class GcZoomEventDemo
	Inherits Form
	Private _gcZoom1 As New GcZoom()

	Public Sub New()
		_gcZoom1.Target = Me
		_gcZoom1.AutoShowControl = True
		AddHandler _gcZoom1.ZoomFactorChanged, AddressOf _gcZoom1_ZoomFactorChanged
	End Sub

	Private Sub _gcZoom1_ZoomFactorChanged(sender As Object, e As EventArgs)
		Console.WriteLine(_gcZoom1.ZoomFactor.ToString())
	End Sub
End Class</code></pre>

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