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POWhat is causing my animation to flicker
 

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  1. POWhat is causing my animation to flicker
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    <p>I'm doing a simple animation that works as expected until i put a border around my grid. As soon as i do this then the animation flickers when i mouse click the frame. I'm trying to achieve a menu that "slides" into view. I have included my code below. Its almost like somehow my mouse click is causing an infinite animation loop.</p> <pre><code>&lt;Border BorderBrush="YellowGreen" CornerRadius="8" BorderThickness="10" Background="Black"&gt; &lt;Grid MouseLeftButtonDown="DragWindow"&gt; &lt;Grid.Resources&gt; &lt;Style TargetType="Frame" x:Key="GrowingFrameStyle"&gt; &lt;Setter Property="Foreground" Value="#505050"/&gt; &lt;Setter Property="Background" Value="Black" /&gt; &lt;Setter Property="Height" Value="20" /&gt; &lt;Style.Triggers&gt; &lt;Trigger Property="IsMouseOver" Value="True"&gt; &lt;Trigger.EnterActions&gt; &lt;BeginStoryboard&gt; &lt;Storyboard&gt; &lt;ColorAnimation Duration="0:0:0.5" Storyboard.TargetProperty="Foreground.Color" To="LightGray" /&gt; &lt;ColorAnimation Duration="0:0:0.5" Storyboard.TargetProperty="Background.Color" To="SteelBlue" /&gt; &lt;DoubleAnimation Storyboard.TargetProperty="Height" From="20" To="50" Duration="0:0:.3" /&gt; &lt;/Storyboard&gt; &lt;/BeginStoryboard&gt; &lt;/Trigger.EnterActions&gt; &lt;Trigger.ExitActions&gt; &lt;BeginStoryboard&gt; &lt;Storyboard&gt; &lt;ColorAnimation Duration="0:0:0.5" Storyboard.TargetProperty="Foreground.Color" To="#505050" /&gt; &lt;ColorAnimation Duration="0:0:0.5" Storyboard.TargetProperty="Background.Color" To="Black" /&gt; &lt;DoubleAnimation Storyboard.TargetProperty="Height" From="50" To="20" Duration="0:0:.3" /&gt; &lt;/Storyboard&gt; &lt;/BeginStoryboard&gt; &lt;/Trigger.ExitActions&gt; &lt;/Trigger&gt; &lt;/Style.Triggers&gt; &lt;/Style&gt; &lt;/Grid.Resources&gt; &lt;Grid.ColumnDefinitions&gt; &lt;ColumnDefinition Width="*"/&gt; &lt;ColumnDefinition Width="50"/&gt; &lt;/Grid.ColumnDefinitions&gt; &lt;Grid.RowDefinitions&gt; &lt;RowDefinition Height="20"/&gt; &lt;RowDefinition Height="*"/&gt; &lt;/Grid.RowDefinitions&gt; &lt;Label Grid.Row="1" Grid.ColumnSpan="2" Background="Black"/&gt; &lt;Frame Grid.RowSpan="2" Grid.ColumnSpan="2" Background="SlateBlue" VerticalAlignment="Top" Style="{StaticResource GrowingFrameStyle}"/&gt; &lt;/Grid&gt; &lt;/Border&gt; </code></pre> <p>Only method in the code behind</p> <pre><code>private void DragWindow(object sender, System.Windows.Input.MouseButtonEventArgs e) { DragMove(); } </code></pre>
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    1. USpoco
    1. USpoco
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      1. VTUpMod
    1. COWe probably need to see the DragWindow method
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      1. POWhat is causing my animation to flicker
      1. USPhil
    2. COI reproduced the problem. A click is an IsMouseOver start over with a border but not without. I don't know why. If you click in the top 20 the storyboard just runs once. If you click in the bottom 20-50 you get a loop. I know not an answer and they is why I posted as a comment.
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      1. POWhat is causing my animation to flicker
      1. USpaparazzo
    3. COI think the answer is some where in event bubbling. If you turn IsHitVisable=false on the Border then nothing happens. I know not an answer but it indicate that border is in the even sequence.
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      1. POWhat is causing my animation to flicker
      1. USpaparazzo
 

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