WPF Style实现渐变色

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<Style.Triggers>             <Trigger Property="IsMouseOver" Value="True">                 <Setter Property="Background">                     <Setter.Value>                         <LinearGradientBrush  StartPoint="0,0" EndPoint="0,1" >                             <GradientStop Color="#FFE4B6" Offset="0.3"/>                             <GradientStop Color="#FFC762" Offset="0.5"/>                             <GradientStop Color="#FFE4B6" Offset="1"/>                         </LinearGradientBrush>                     </Setter.Value>                 </Setter>             </Trigger>             <Trigger Property="IsMouseOver" Value="True">                 <Setter Property="Opacity" Value="1"/>             </Trigger>             <MultiTrigger>                 <MultiTrigger.Conditions>                     <Condition Property="IsMouseOver" Value="true"/>                   </MultiTrigger.Conditions>                 <MultiTrigger.Setters>                     <Setter Property="Background" Value="Transparent"/>                 </MultiTrigger.Setters>             </MultiTrigger>         </Style.Triggers>