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silverlight 的鼠标悬停/悬停事件的淡入淡出效果？

发布于 2024-12-29 22:47:00 字数 72 浏览 1 评论 0原文

我在地图/地图控件上的网格中有一组按钮。我一直在尝试找出如何使按钮和网格通常不可见，但当用户将指针悬停在它们上方时立即出现。建议？

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雅心素梦 2025-01-05 22:47:00

http://msmvps.com/blogs/theproblemsolver/archive/2009/02/17/changing-the-mouseover-effect-on-a-silverlight-listbox.aspx

这是一个文章介绍了设置各种视觉状态的教程（使用混合）。页面下方大约 3/4 处有一个示例 xaml 片段。查找此部分：

<vsm:VisualState x:Name="MouseOver">
    <Storyboard>
        <DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Duration="00:00:00.0010000" Storyboard.TargetName="contentPresenter" Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[0].(ScaleTransform.ScaleX)">
            <SplineDoubleKeyFrame KeyTime="00:00:00" Value="1.2"/>    
        </DoubleAnimationUsingKeyFrames>
        <DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Duration="00:00:00.0010000" Storyboard.TargetName="contentPresenter" Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[0].(ScaleTransform.ScaleY)">
            <SplineDoubleKeyFrame KeyTime="00:00:00" Value="1.2"/>
        </DoubleAnimationUsingKeyFrames>
    </Storyboard>
</vsm:VisualState>

您可以更改不透明度，而不是更改比例...对于 Blend-Challenged（像我一样）来说，没有理由不能在 Visul Studio 中编写此内容。

另请参阅 http://jesseliberty.com/2010/07/ 09/visual-state-manager-az/ 获取一组使用 Visial State Manager 强大功能的教程。

http://msmvps.com/blogs/theproblemsolver/archive/2009/02/17/changing-the-mouseover-effect-on-a-silverlight-listbox.aspx

Here is an article that goes through a tutorial (using blend) to setup various Visual States. About 3/4 down the page there is a sample xaml snippet. Look for this section:

<vsm:VisualState x:Name="MouseOver">
    <Storyboard>
        <DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Duration="00:00:00.0010000" Storyboard.TargetName="contentPresenter" Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[0].(ScaleTransform.ScaleX)">
            <SplineDoubleKeyFrame KeyTime="00:00:00" Value="1.2"/>    
        </DoubleAnimationUsingKeyFrames>
        <DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Duration="00:00:00.0010000" Storyboard.TargetName="contentPresenter" Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[0].(ScaleTransform.ScaleY)">
            <SplineDoubleKeyFrame KeyTime="00:00:00" Value="1.2"/>
        </DoubleAnimationUsingKeyFrames>
    </Storyboard>
</vsm:VisualState>

Instead of changing the scale, you could change the Opacity... There's no reason this can't be written in Visul Studio, for the Blend-Challenged (like myself).

Also, refer to http://jesseliberty.com/2010/07/09/visual-state-manager-a-z/ for a set of tutorials for using the huge capabilities of the Visial State Manager.

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