# C1.Win.TouchToolKit.C1ApplicationZoom.KeepAspectRatio

## Content

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



<h1 id="C1_Win_TouchToolKit_C1ApplicationZoom_KeepAspectRatio_" data-uid="C1.Win.TouchToolKit.C1ApplicationZoom.KeepAspectRatio*">KeepAspectRatio Property
</h1>
<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_Win_TouchToolKit_C1ApplicationZoom_KeepAspectRatio_" data-uid="C1.Win.TouchToolKit.C1ApplicationZoom.KeepAspectRatio*"></a>
<h4 id="C1_Win_TouchToolKit_C1ApplicationZoom_KeepAspectRatio" data-uid="C1.Win.TouchToolKit.C1ApplicationZoom.KeepAspectRatio">KeepAspectRatio</h4>
<div class="markdown level1 summary"><p>Gets or sets a value indicating whether to keep aspect ratio when resize the form.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">public bool KeepAspectRatio { get; set; }</code></pre>
</div>
<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Property KeepAspectRatio As Boolean</code></pre>
</div>
<h5 class="propertyValue">Property Value</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.boolean">bool</a></td>
      <td><p><a href="https://learn.microsoft.com/dotnet/csharp/language-reference/builtin-types/bool">true</a> if keep aspect ratio when resize the form; otherwise, <a href="https://learn.microsoft.com/dotnet/csharp/language-reference/builtin-types/bool">false</a>. The default is <a href="https://learn.microsoft.com/dotnet/csharp/language-reference/builtin-types/bool">false</a>.</p>
</td>
    </tr>
  </tbody>
</table>
<h5 id="C1_Win_TouchToolKit_C1ApplicationZoom_KeepAspectRatio_examples">Examples</h5>
<p>
  The following code example shows how to enable/disable the keep aspect ration when resize the form.
</p>
<p>
  This code example is part of a larger example provided for the <a class="xref" href="C1.Win.TouchToolKit.C1Zoom.AllowPinchZoom.html#C1_Win_TouchToolKit_C1Zoom_AllowPinchZoom">AllowPinchZoom</a> property.
</p>
<pre><code class="lang-csharp">public class GcZoomMiscDemo : Form
{
	private CheckBox _keepAspectRatioCheckBox;
	private GcZoom _gcZoom1 = new GcZoom();

	public GcZoomMiscDemo()
	{
		InitializeComponent();

		_gcZoom1.Target = this;

		_keepAspectRatioCheckBox.CheckedChanged += _keepAspectRatioCheckBox_CheckedChanged;
	}

	void _keepAspectRatioCheckBox_CheckedChanged(object sender, EventArgs e)
	{
		_gcZoom1.KeepAspectRatio = _keepAspectRatioCheckBox.Checked;
	}

	private void InitializeComponent()
	{
		_keepAspectRatioCheckBox = new CheckBox();
		_keepAspectRatioCheckBox.Text = "KeepAspectRatio";
		_keepAspectRatioCheckBox.Location = new Point(20, 200);
		_keepAspectRatioCheckBox.Size = new Size(200, 20);
		this.Controls.Add(_keepAspectRatioCheckBox);
	}
}</code></pre>
<pre><code class="lang-csharp">Public Class GcZoomMiscDemo
	Inherits Form
	Private _keepAspectRatioCheckBox As CheckBox
	Private _gcZoom1 As New GcZoom()

	Public Sub New()
		InitializeComponent()

		_gcZoom1.Target = Me

		AddHandler _keepAspectRatioCheckBox.CheckedChanged, AddressOf _keepAspectRatioCheckBox_CheckedChanged
	End Sub

	Private Sub _keepAspectRatioCheckBox_CheckedChanged(sender As Object, e As EventArgs)
		_gcZoom1.KeepAspectRatio = _keepAspectRatioCheckBox.Checked
	End Sub

	Private Sub InitializeComponent()
		_keepAspectRatioCheckBox = New CheckBox()
		_keepAspectRatioCheckBox.Text = "KeepAspectRatio"
		_keepAspectRatioCheckBox.Location = New Point(20, 200)
		_keepAspectRatioCheckBox.Size = New Size(200, 20)
		Me.Controls.Add(_keepAspectRatioCheckBox)
	End Sub
End Class</code></pre>

</div>