在触发器中，当“IsMouseOver”属性=true时，设置当前控件的高亮选中效果

<Style.Triggers>
            <!--<Trigger Property="IsSelected" Value="True">
               <Setter Property="Background" Value="#3d7cff"/>
            </Trigger>-->
            <Trigger Property="IsMouseOver" Value="True">
                <Setter Property="Background" Value="#3d7cff"/>
                <Setter Property="Foreground" Value="{StaticResource ResourceKey={x:Static SystemColors.HighlightTextBrushKey}}"/>
            </Trigger>
        </Style.Triggers>