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---
title: "How to: Animate a Popup"
ms.date: "03/30/2017"
helpviewer_keywords:
- "Popup control [WPF], animating"
- "animation [WPF], Popup controls"
ms.assetid: acaa2a0a-6137-4efd-9cd1-75ece222e390
---
# How to: Animate a Popup
This example shows two ways to animate a <xref:System.Windows.Controls.Primitives.Popup> control.
## Example
The following example sets the <xref:System.Windows.Controls.Primitives.PopupAnimation> property to a value of <xref:System.Windows.Controls.Primitives.PopupAnimation.Slide>, which causes the <xref:System.Windows.Controls.Primitives.Popup> to "slide-in" when it appears.
In order to rotate the <xref:System.Windows.Controls.Primitives.Popup>, this example assigns a <xref:System.Windows.Media.RotateTransform> to the <xref:System.Windows.UIElement.RenderTransform%2A> property on the <xref:System.Windows.Controls.Canvas>, which is the child element of the <xref:System.Windows.Controls.Primitives.Popup>.
For the transform to work correctly, the example must set the <xref:System.Windows.Controls.Primitives.Popup.AllowsTransparency%2A> property to `true`. In addition, the <xref:System.Windows.FrameworkElement.Margin%2A> on the <xref:System.Windows.Controls.Canvas> content must specify enough space for the <xref:System.Windows.Controls.Primitives.Popup> to rotate.
[!code-xaml[AnimatedPopup#RotateTransform2](~/samples/snippets/csharp/VS_Snippets_Wpf/AnimatedPopup/CS/Window1.xaml#rotatetransform2)]
The following example shows how a <xref:System.Windows.Controls.Primitives.ButtonBase.Click> event, which occurs when a <xref:System.Windows.Controls.Button> is clicked, triggers the <xref:System.Windows.Media.Animation.Storyboard> that starts the animation.
[!code-xaml[AnimatedPopup#RotateTransform1](~/samples/snippets/csharp/VS_Snippets_Wpf/AnimatedPopup/CS/Window1.xaml#rotatetransform1)]
## See also
- <xref:System.Windows.UIElement.RenderTransform%2A>
- <xref:System.Windows.Controls.Primitives.BulletDecorator>
- <xref:System.Windows.Media.RotateTransform>
- <xref:System.Windows.Media.Animation.Storyboard>
- <xref:System.Windows.Controls.Primitives.Popup>
- [How-to Topics](popup-how-to-topics.md)
- [Popup Overview](popup-overview.md)