WPF 按钮背景色渐变

WPF 按钮背景色渐变（从四周到中间渐变）

<Style x:Key="RadioButtonMenuStyle" TargetType="RadioButton">

<Setter Property="GroupName" Value="MenuGroup" />

<Setter Property="Width" Value="180" />

<Setter Property="Height" Value="45" />

<Setter Property="Background" Value="#3AADE8" />

<Setter Property="BorderThickness" Value="0" />

<Setter Property="FontSize" Value="14" />

<Setter Property="Template">

<Setter.Value>

<ControlTemplate TargetType="RadioButton">

<Border Background="{TemplateBinding Background}" BorderThickness="{TemplateBinding BorderThickness}" BorderBrush="{TemplateBinding BorderBrush}">

<ContentPresenter HorizontalAlignment="Center" VerticalAlignment="Center" />

</Border>

<ControlTemplate.Triggers>

<Trigger Property="IsChecked" Value="true">

<Setter Property="Background" >

<Setter.Value>

<RadialGradientBrush Center="0.5,0.5" GradientOrigin="0.5,0.5" RadiusX="0.99" RadiusY="0.99">

<GradientStop Color="Transparent"/>

<GradientStop Color="#0DE2FC" Offset="0.90"/>

<GradientStop Color="Transparent" Offset="0.162"/>

</RadialGradientBrush>

</Setter.Value>

</Setter>

<Setter Property="Foreground" Value="White"/>

</Trigger>

<Trigger Property="IsMouseOver" Value="true">

<Setter Property="Background" >

<Setter.Value>

<RadialGradientBrush Center="0.5,0.5" GradientOrigin="0.5,0.5" RadiusX="0.99" RadiusY="0.99">

<GradientStop Color="Transparent"/>

<GradientStop Color="#0DE2FC" Offset="0.90"/>

<GradientStop Color="Transparent" Offset="0.162"/>

</RadialGradientBrush>

</Setter.Value>

</Setter>

<Setter Property="Foreground" Value="White"/>

</Trigger>

</ControlTemplate.Triggers>

</ControlTemplate>

</Setter.Value>

</Setter>

</Style>

<Border Background="#0091DB" Width="180" Height="45">

<RadioButton Style="{StaticResource RadioButtonMenuStyle}" >

背景色从四周向中间渐变

</RadioButton>

</Border>

转自：WPF 颜色渐变_wpf 线条渐变-CSDN博客