此拇指在自定义控件滑块中使用。有什么方法可以在代码中访问 thumbBorder 吗?
<Style x:Key="SliderThumbStyle" TargetType="Thumb">
<Setter Property="SnapsToDevicePixels" Value="true" />
<Setter Property="OverridesDefaultStyle" Value="false" />
<Setter Property="Height" Value="18" />
<Setter Property="Width" Value="18" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="Thumb">
<Grid>
<Border x:Name="thumbBorder"
CornerRadius="9,0,0,9"
Background="DimGray" />
<Ellipse x:Name="thumbEllipse"
Fill="Orange">
</Ellipse>
</Grid>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>