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POIs there a way to use a style setter for properties of properties?
 

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  1. POIs there a way to use a style setter for properties of properties?
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    <p><strong>Edit:</strong> <em>In the original question i made some wrong assumptions about how setters work so i modified it to hopefully be more accurate and useful.</em></p> <p>I have tried to make some menu items more interesting by having the icons appear half-transparent if the mouse is not over the item. If the mouse enters, the icon should be animated to become completely visible. The animations work, <code>Storyboard.TargetProperty</code> allows direct access to the icon's opacity property:</p> <pre><code>&lt;Style x:Key="MenuItemMouseOverStyle" TargetType="MenuItem"&gt; &lt;Style.Triggers&gt; &lt;EventTrigger RoutedEvent="MouseEnter"&gt; &lt;BeginStoryboard&gt; &lt;Storyboard&gt; &lt;DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="Icon.Opacity"&gt; &lt;EasingDoubleKeyFrame KeyTime="0" Value="0.5"/&gt; &lt;EasingDoubleKeyFrame KeyTime="0:0:0.3" Value="1"/&gt; &lt;/DoubleAnimationUsingKeyFrames&gt; &lt;/Storyboard&gt; &lt;/BeginStoryboard&gt; &lt;/EventTrigger&gt; &lt;EventTrigger RoutedEvent="MouseLeave"&gt; &lt;BeginStoryboard&gt; &lt;Storyboard&gt; &lt;DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="Icon.Opacity"&gt; &lt;EasingDoubleKeyFrame KeyTime="0" Value="1"/&gt; &lt;EasingDoubleKeyFrame KeyTime="0:0:0.3" Value="0.5"/&gt; &lt;/DoubleAnimationUsingKeyFrames&gt; &lt;/Storyboard&gt; &lt;/BeginStoryboard&gt; &lt;/EventTrigger&gt; &lt;/Style.Triggers&gt; &lt;/Style&gt; </code></pre> <p>If i try to use a setter for the initial icon-opacity the code won't compile:</p> <pre><code>&lt;Setter Property="Icon.Opacity" Value="0.5"/&gt; </code></pre> <hr> <p><strong>Edit:</strong> <em>Setters do not work the way i tried to use them, you cannot access the properties of properties (see answers) The only thing you can do is specify a target class if the target type of the style has not been set, the following styles should be equivalent:</em></p> <pre><code>&lt;Style x:Key="Style1" TargetType="Image"&gt; &lt;Setter Property="Opacity" Value="0.5"/&gt; &lt;/Style&gt; &lt;Style x:Key="Style2"&gt; &lt;Setter Property="Image.Opacity" Value="0.5"/&gt; &lt;/Style&gt; </code></pre> <hr> <p>So my question is if there is a way to make this somehow work with a setter.</p> <p>(My current work-around is a single-keyframe storyboard that is triggered with the <code>Loaded</code> event which works quite well)</p>
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