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POControlTemplate Storyboard color animation problem
 

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    <p>I have a problem with color animation. This is my source:</p> <pre class="lang-xml prettyprint-override"><code> &lt;Window.Resources&gt; &lt;hedit:BrushToColorConverter x:Key="BrushToColorConverter" /&gt; &lt;Style x:Key="MyButtonStyle" TargetType="Button"&gt; &lt;Setter Property="OverridesDefaultStyle" Value="True"/&gt; &lt;Setter Property="Margin" Value="5"/&gt; &lt;Setter Property="Template"&gt; &lt;Setter.Value&gt; &lt;ControlTemplate TargetType="Button"&gt; &lt;ControlTemplate.Resources&gt; &lt;Storyboard x:Key="buttonAnimIn"&gt; &lt;!-- Problem line --&gt; &lt;ColorAnimation Storyboard.TargetName="bntBack" Storyboard.TargetProperty="Color" To="{Binding Path=Foreground, RelativeSource={RelativeSource AncestorType={x:Type UserControl}}, Converter={StaticResource BrushToColorConverter}}" /&gt; &lt;/Storyboard&gt; &lt;Storyboard x:Key="buttonAnimOut"&gt; &lt;ColorAnimation Storyboard.TargetName="bntBack" Storyboard.TargetProperty="Color" To="Blue" /&gt; &lt;/Storyboard&gt; &lt;Storyboard x:Key="buttonAnimForegroundIn"&gt; &lt;ColorAnimation Storyboard.TargetName="btnFore" Storyboard.TargetProperty="Color" To="Blue" /&gt; &lt;/Storyboard&gt; &lt;Storyboard x:Key="buttonAnimForegroundOut"&gt; &lt;ColorAnimation Storyboard.TargetName="btnFore" Storyboard.TargetProperty="Color" To="Red" /&gt; &lt;/Storyboard&gt; &lt;/ControlTemplate.Resources&gt; &lt;Border Name="border" BorderThickness="1" Padding="4,2" BorderBrush="DarkGray" CornerRadius="3"&gt; &lt;Border.Background&gt; &lt;SolidColorBrush Color="Blue" x:Name="bntBack" /&gt; &lt;/Border.Background&gt; &lt;ContentControl HorizontalAlignment="Center" VerticalAlignment="Center" Content="{TemplateBinding Content}"&gt; &lt;ContentControl.Foreground&gt; &lt;SolidColorBrush Color="Red" x:Name="btnFore" /&gt; &lt;/ContentControl.Foreground&gt; &lt;/ContentControl &gt; &lt;/Border&gt; &lt;ControlTemplate.Triggers&gt; &lt;EventTrigger RoutedEvent="Button.MouseEnter"&gt; &lt;BeginStoryboard Storyboard="{StaticResource buttonAnimIn}" /&gt; &lt;BeginStoryboard Storyboard="{StaticResource buttonAnimForegroundIn}" /&gt; &lt;/EventTrigger&gt; &lt;EventTrigger RoutedEvent="Button.MouseLeave"&gt; &lt;BeginStoryboard Storyboard="{StaticResource buttonAnimOut}" /&gt; &lt;BeginStoryboard Storyboard="{StaticResource buttonAnimForegroundOut}" /&gt; &lt;/EventTrigger&gt; &lt;/ControlTemplate.Triggers&gt; &lt;/ControlTemplate&gt; &lt;/Setter.Value&gt; &lt;/Setter&gt; &lt;/Style&gt; &lt;/Window.Resources&gt; </code></pre> <p>The problem is:</p> <p>Cannot convert the value in attribute 'Style' to object of type 'System.Windows.Style'. Cannot freeze this Storyboard timeline tree for use across threads. Error at object 'System.Windows.Controls.Button' in markup file 'HLSLEditor;component/mainwindow.xaml' Line 223 Position 25.</p> <p>When using fixed colors it worked, but it cannot work with the Foreground color of the parent...</p> <p>How do I do an animation to the foreground or background color?</p> <p>Thanks!</p>
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    1. COBy the way, the point of Storyboards is to group animations, so you normally would only have an `InStoryboard` and `OutStoryboard`, where each contains two animations.
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