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POAnimating a WPF window width and height
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  1. POAnimating a WPF window width and height
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    copied!<p>I'd like to animate the width and height of a wpf window. I've tried the following, which unfortunately just animates the width... the height of the window never changes.</p> <p>I'm sure I've missed something silly and hope that by posting here someone will see my error!</p> <p>Here's the code behind for a simple window with a button I've wired up do to the resize:</p> <pre><code>public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); } private void Button_Click(object sender, RoutedEventArgs e) { this.AnimateWindowSize(ActualWidth + 200, ActualHeight + 200); } } </code></pre> <p>And here is the animation code I've written as an extension method so it could be applied to any window...</p> <pre><code>public static class WindowUtilties { public static void AnimateWindowSize(this Window target, double newWidth, double newHeight) { var sb = new Storyboard {Duration = new Duration(new TimeSpan(0, 0, 0, 0, 200))}; var aniWidth = new DoubleAnimationUsingKeyFrames(); var aniHeight = new DoubleAnimationUsingKeyFrames(); aniWidth.Duration = new Duration(new TimeSpan(0, 0, 0, 0, 200)); aniHeight.Duration = new Duration(new TimeSpan(0, 0, 0, 0, 200)); aniHeight.KeyFrames.Add(new EasingDoubleKeyFrame(target.ActualHeight, KeyTime.FromTimeSpan(new TimeSpan(0, 0, 0, 0, 00)))); aniHeight.KeyFrames.Add(new EasingDoubleKeyFrame(newHeight, KeyTime.FromTimeSpan(new TimeSpan(0, 0, 0, 0, 200)))); aniWidth.KeyFrames.Add(new EasingDoubleKeyFrame(target.ActualWidth, KeyTime.FromTimeSpan(new TimeSpan(0, 0, 0, 0, 00)))); aniWidth.KeyFrames.Add(new EasingDoubleKeyFrame(newWidth, KeyTime.FromTimeSpan(new TimeSpan(0, 0, 0, 0, 200)))); Storyboard.SetTarget(aniWidth, target); Storyboard.SetTargetProperty(aniWidth, new PropertyPath(Window.WidthProperty)); Storyboard.SetTarget(aniHeight, target); Storyboard.SetTargetProperty(aniHeight, new PropertyPath(Window.HeightProperty)); sb.Children.Add(aniWidth); sb.Children.Add(aniHeight); sb.Begin(); } } </code></pre> <p>Thanks in advance for any help.</p>
 

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