MouseMove 事件如何写

MouseMove 事件怎么写
    <Style x:Key="abc" TargetType="Button">
        <Setter Property="i:Interaction.Triggers">
            <Setter.Value>
                <i:EventTrigger EventName="MouseMove">
                   // 将该button的Background颜色变成某颜色的代码
                </i:EventTrigger>
            </Setter.Value>
        </Setter>
    </Style>

写 <Setter Property="Background" Value="#FF47597E"/> 报错 如何写？
------解决方案--------------------------------------------------------
不行就在后台写