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POMaking ListBoxItem Selected Animation finish before Navigating
 

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    <p>I have a <code>ListBoxItem</code> style which I'm creating to mimic the 'Down and Away' style which happens when you click on a app in the marketplace app.</p> <p>If I don't handle the <code>SelectionChanged</code> event, it works OK(doesn't match perfect, but hey :p), however when I handle <code>SelectionChanged</code>, the page just instantly navigates before the animation completes. </p> <p>Ideally, I'd be interested in learning how to handle letting an animation complete before navigating to a generic page. I understand I could probably use a <code>DispatcherTimer</code> to wait, but I'd prefer to do something like:</p> <pre><code>if (selected item has storyboard, and storyboard is going) when finished, navigate to page2. &lt;Style x:Key="StretchedListBoxStyle" TargetType="ListBoxItem"&gt; &lt;Setter Property="Background" Value="Transparent" /&gt; &lt;Setter Property="BorderThickness" Value="0" /&gt; &lt;Setter Property="BorderBrush" Value="Transparent" /&gt; &lt;Setter Property="Padding" Value="0" /&gt; &lt;Setter Property="HorizontalContentAlignment" Value="Stretch" /&gt; &lt;Setter Property="VerticalContentAlignment" Value="Top" /&gt; &lt;Setter Property="Template"&gt; &lt;Setter.Value&gt; &lt;ControlTemplate TargetType="ListBoxItem"&gt; &lt;Border x:Name="LayoutRoot" HorizontalAlignment="{TemplateBinding HorizontalAlignment}" VerticalAlignment="{TemplateBinding VerticalAlignment}" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}"&gt; &lt;VisualStateManager.VisualStateGroups&gt; &lt;VisualStateGroup x:Name="CommonStates"&gt; &lt;VisualState x:Name="Normal" /&gt; &lt;VisualState x:Name="MouseOver" /&gt; &lt;VisualState x:Name="Disabled"&gt; &lt;Storyboard&gt; &lt;ObjectAnimationUsingKeyFrames Storyboard.TargetName="LayoutRoot" Storyboard.TargetProperty="Background"&gt; &lt;DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource TransparentBrush}" /&gt; &lt;/ObjectAnimationUsingKeyFrames&gt; &lt;DoubleAnimation Duration="0" Storyboard.TargetName="ContentContainer" Storyboard.TargetProperty="Opacity" To=".5" /&gt; &lt;/Storyboard&gt; &lt;/VisualState&gt; &lt;/VisualStateGroup&gt; &lt;VisualStateGroup x:Name="SelectionStates"&gt; &lt;VisualState x:Name="Unselected" /&gt; &lt;VisualState x:Name="Selected"&gt; &lt;Storyboard&gt; &lt;DoubleAnimationUsingKeyFrames Storyboard.TargetName="ContentContainer" Storyboard.TargetProperty="(UIElement.Opacity)"&gt; &lt;SplineDoubleKeyFrame KeyTime="0:0:0.2" Value="1" /&gt; &lt;/DoubleAnimationUsingKeyFrames&gt; &lt;DoubleAnimationUsingKeyFrames Storyboard.TargetName="ContentContainer" Storyboard.TargetProperty="(UIElement.RenderTransform).(CompositeTransform.TranslateX)"&gt; &lt;EasingDoubleKeyFrame KeyTime="0" Value="0" /&gt; &lt;EasingDoubleKeyFrame KeyTime="0:0:0.4" Value="900" /&gt; &lt;/DoubleAnimationUsingKeyFrames&gt; &lt;DoubleAnimationUsingKeyFrames Storyboard.TargetName="ContentContainer" Storyboard.TargetProperty="(UIElement.RenderTransform).(CompositeTransform.TranslateY)"&gt; &lt;EasingDoubleKeyFrame KeyTime="0" Value="0" /&gt; &lt;EasingDoubleKeyFrame KeyTime="0:0:0.1" Value="30" /&gt; &lt;/DoubleAnimationUsingKeyFrames&gt; &lt;/Storyboard&gt; &lt;/VisualState&gt; &lt;/VisualStateGroup&gt; &lt;/VisualStateManager.VisualStateGroups&gt; &lt;ContentControl x:Name="ContentContainer" Margin="{TemplateBinding Padding}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Content="{TemplateBinding Content}" ContentTemplate="{TemplateBinding ContentTemplate}" Foreground="{TemplateBinding Foreground}" RenderTransformOrigin="0.5,0.5"&gt; &lt;ContentControl.RenderTransform&gt; &lt;CompositeTransform /&gt; &lt;/ContentControl.RenderTransform&gt; &lt;ContentControl.Projection&gt; &lt;PlaneProjection /&gt; &lt;/ContentControl.Projection&gt; &lt;/ContentControl&gt; &lt;/Border&gt; &lt;/ControlTemplate&gt; &lt;/Setter.Value&gt; &lt;/Setter&gt; &lt;/Style&gt; </code></pre>
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