我们正在为 XBAP 应用程序创建自定义 WPF 控件（不是用户控件），并且我们希望添加一个情节提要动画以在鼠标悬停在控件上时将控件缩放为其原始大小的 110%。我们使用 Blend 来创建故事板，它编译得很好……但是，当我们运行时，它的动画不会达到 110%。我已经在这里和那里阅读了您无法在 XAML 中为自定义控件制作故事板动画的点点滴滴。有谁知道如何完全在 XAML 中为自定义控件执行此操作？
这是我们的自定义控件的 XAML：
<Style TargetType="{x:Type controls:ExitButton}">
<Style.Resources>
<Storyboard x:Key="OnMouseEnter">
<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetName="{x:Null}" Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[0].(ScaleTransform.ScaleX)">
<SplineDoubleKeyFrame KeyTime="00:00:00" Value="1"/>
<SplineDoubleKeyFrame KeyTime="00:00:00.2000000" Value="1.1"/>
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetName="{x:Null}" Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[0].(ScaleTransform.ScaleY)">
<SplineDoubleKeyFrame KeyTime="00:00:00" Value="1"/>
<SplineDoubleKeyFrame KeyTime="00:00:00.2000000" Value="1.1"/>
</DoubleAnimationUsingKeyFrames>
</Storyboard>
</Style.Resources>
<Style.Triggers>
<Trigger Property="IsMouseOver" Value="True">
<Trigger.EnterActions>
<BeginStoryboard Storyboard="{StaticResource OnMouseEnter}" x:Name="OnMouseEnter_BeginStoryboard"/>
</Trigger.EnterActions>
<Setter Property="BitmapEffect">
<Setter.Value>
<OuterGlowBitmapEffect GlowColor="Blue" GlowSize="4"/>
</Setter.Value>
</Setter>
</Trigger>
<Trigger Property="IsPressed" Value="True">
<Setter Property="BitmapEffect">
<Setter.Value>
<OuterGlowBitmapEffect GlowColor="Blue" GlowSize="8"/>
</Setter.Value>
</Setter>
</Trigger>
</Style.Triggers>
<Setter Property="ToolTip" Value="Exit this Application" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type controls:ExitButton}">
<Border Background="{TemplateBinding Background}"
BorderBrush="{TemplateBinding BorderBrush}"
BorderThickness="{TemplateBinding BorderThickness}">
<Viewbox x:Name="ControlViewBox">
<Grid x:Name="ExitApplication" Width="35" Height="50">
<Grid.RowDefinitions>
<RowDefinition Height="5" />
<RowDefinition Height="25" />
<RowDefinition Height="15" />
</Grid.RowDefinitions>
<Viewbox Grid.Row="1" Width="25" x:Name="ImageViewBox">
<Canvas Width="23" Height="23" HorizontalAlignment="Center">
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<Path.Fill>
<LinearGradientBrush StartPoint="0.945183,0.945154" EndPoint="0.0547729,0.0547262">
<LinearGradientBrush.GradientStops>
<GradientStop Color="#FFB12702" Offset="0"/>
<GradientStop Color="#FFD02F00" Offset="0.093399"/>
<GradientStop Color="#FFE87A5F" Offset="1"/>
</LinearGradientBrush.GradientStops>
</LinearGradientBrush>
</Path.Fill>
</Path>
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<Path.Fill>
<LinearGradientBrush StartPoint="0.616568,0.713077" EndPoint="1.02849,0.713077">
<LinearGradientBrush.RelativeTransform>
<TransformGroup>
<SkewTransform CenterX="0.616568" CenterY="0.713077" AngleX="21.0093" AngleY="0"/>
<RotateTransform CenterX="0.616568" CenterY="0.713077" Angle="235.505"/>
</TransformGroup>
</LinearGradientBrush.RelativeTransform>
<LinearGradientBrush.GradientStops>
<GradientStop Color="#FFC12900" Offset="0"/>
<GradientStop Color="#FFFFE4DE" Offset="1"/>
</LinearGradientBrush.GradientStops>
</LinearGradientBrush>
</Path.Fill>
</Path>
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<Path.Fill>
<LinearGradientBrush StartPoint="0.593564,0.59328" EndPoint="1.16939,0.59328">
<LinearGradientBrush.RelativeTransform>
<TransformGroup>
<SkewTransform CenterX="0.593564" CenterY="0.59328" AngleX="0.0259795" AngleY="0"/>
<RotateTransform CenterX="0.593564" CenterY="0.59328" Angle="225.013"/>
</TransformGroup>
</LinearGradientBrush.RelativeTransform>
<LinearGradientBrush.GradientStops>
<GradientStop Color="#FFC12900" Offset="0"/>
<GradientStop Color="#FFFFE4DE" Offset="1"/>
</LinearGradientBrush.GradientStops>
</LinearGradientBrush>
</Path.Fill>
</Path>
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<Path.Fill>
<LinearGradientBrush StartPoint="0.713103,0.616728" EndPoint="1.12533,0.616728">
<LinearGradientBrush.RelativeTransform>
<TransformGroup>
<SkewTransform CenterX="0.713103" CenterY="0.616728" AngleX="-20.9846" AngleY="0"/>
<RotateTransform CenterX="0.713103" CenterY="0.616728" Angle="214.508"/>
</TransformGroup>
</LinearGradientBrush.RelativeTransform>
<LinearGradientBrush.GradientStops>
<GradientStop Color="#FFC12900" Offset="0"/>
<GradientStop Color="#FFFFE4DE" Offset="1"/>
</LinearGradientBrush.GradientStops>
</LinearGradientBrush>
</Path.Fill>
</Path>
</Canvas>
</Viewbox>
<TextBlock Grid.Row="2" Text="exit" HorizontalAlignment="Center" FontFamily="Calibri" Foreground="#FFFFFFFF" RenderTransformOrigin="0.5,0.5" VerticalAlignment="Center" FontSize="18">
<TextBlock.RenderTransform>
<TransformGroup>
<ScaleTransform ScaleX="1" ScaleY="1"/>
<SkewTransform AngleX="0" AngleY="0"/>
<RotateTransform Angle="0"/>
<TranslateTransform X="0" Y="0"/>
</TransformGroup>
</TextBlock.RenderTransform></TextBlock>
</Grid>
</Viewbox>
</Border>
</ControlTemplate>
</Setter.Value>
</Setter>
<Setter Property="RenderTransformOrigin" Value="0.5,0.5"/>
<Setter Property="RenderTransform">
<Setter.Value>
<TransformGroup>
<ScaleTransform ScaleX="1" ScaleY="1"/>
<SkewTransform AngleX="0" AngleY="0"/>
<RotateTransform Angle="0"/>
<TranslateTransform X="0" Y="0"/>
</TransformGroup>
</Setter.Value>
</Setter>
</Style>