Silverlight TabItem选中，未选中样式设置

<Application.Resources>
    <LinearGradientBrush x:Key="TabItemBackground" EndPoint="0,1" StartPoint="0,0">
        <GradientStop Color="#B5D8FB" Offset="0"/>
        <GradientStop Color="#6DB9F1" Offset="0.5"/>
        <GradientStop Color="#0493E8" Offset="0.5"/>
        <GradientStop Color="#1CC0FF" Offset="1"/>
    </LinearGradientBrush>
    <LinearGradientBrush x:Key="TabItemSelectedBackground" EndPoint="0,1" StartPoint="0,0">
        <GradientStop Color="#B4C6D3" Offset="0"/>
        <GradientStop Color="#2D678E" Offset="0.5"/>
        <GradientStop Color="#044977" Offset="0.5"/>
        <GradientStop Color="#06E1FA" Offset="1"/>
    </LinearGradientBrush>

    <Style TargetType="sdk:TabItem">
    <Setter Property="IsTabStop" Value="False"/>
    <Setter Property="Foreground" Value="White" />
    <Setter Property="BorderThickness" Value="1"/>
    <Setter Property="Padding" Value="6,2,6,2"/>
    <Setter Property="HorizontalContentAlignment" Value="Stretch"/>
    <Setter Property="VerticalContentAlignment" Value="Stretch"/>
    <Setter Property="MinWidth" Value="5"/>
    <Setter Property="MinHeight" Value="5"/>

<ControlTemplate TargetType="sdk:TabItem">
    <Grid x:Name="Root">
        <VisualStateManager.VisualStateGroups>
            <VisualStateGroup x:Name="CommonStates">
                :省略（サンプルコードをダウンロードして確認してください）
                <VisualState x:Name="MouseOver">
                    <Storyboard>
                        <ColorAnimationUsingKeyFrames BeginTime="0" Duration="00:00:00.001" Storyboard.TargetProperty="(Border.Background).(SolidColorBrush.Color)" Storyboard.TargetName="BorderTop">
                            <SplineColorKeyFrame KeyTime="0" Value="#FF448DCA"/>
                        </ColorAnimationUsingKeyFrames>

                        <!-- 上部に配置されたタブがマウスオーバーされたときの背景色-->
                        <ColorAnimationUsingKeyFrames BeginTime="0" Duration="00:00:00.001" Storyboard.TargetProperty="(Border.Background).(GradientBrush.GradientStops)[3].(GradientStop.Color)" Storyboard.TargetName="GradientTop">
                            <SplineColorKeyFrame KeyTime="0" Value="#6EA5A4"/>
                        </ColorAnimationUsingKeyFrames>
                        <ColorAnimationUsingKeyFrames BeginTime="0" Duration="00:00:00.001" Storyboard.TargetProperty="(Border.Background).(GradientBrush.GradientStops)[2].(GradientStop.Color)" Storyboard.TargetName="GradientTop">
                            <SplineColorKeyFrame KeyTime="0" Value="#20BBD2"/>
                        </ColorAnimationUsingKeyFrames>
                        <ColorAnimationUsingKeyFrames BeginTime="0" Duration="00:00:00.001" Storyboard.TargetProperty="(Border.Background).(GradientBrush.GradientStops)[1].(GradientStop.Color)" Storyboard.TargetName="GradientTop">
                            <SplineColorKeyFrame KeyTime="0" Value="#47D9D3"/>
                        </ColorAnimationUsingKeyFrames>
                    </Storyboard>
                </VisualState>
                :省略（サンプルコードをダウンロードして確認してください）
        </VisualStateManager.VisualStateGroups>

        <!-- 上部に配置されたタブの選択時 -->
        <Grid x:Name="TemplateTopSelected" Visibility="Collapsed" Canvas.ZIndex="1">
            <Border BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="1,1,1,0" Background="{Binding Background}" CornerRadius="3,3,0,0" Margin="-2,-2,-2,0">
                <Border BorderBrush="#FFFFFFFF" BorderThickness="1" CornerRadius="1,1,0,0">
                    <Grid>
                        <!-- 選択時の背景色 -->
                        <Rectangle Fill="{StaticResource TabItemSelectedBackground}" Margin="0,0,0,-2"/>
                        <ContentControl x:Name="HeaderTopSelected" 
                                        Cursor="{TemplateBinding Cursor}" 
                                        Foreground="{TemplateBinding Foreground}" 
                                        FontSize="{TemplateBinding FontSize}" 
                                        HorizontalAlignment="{TemplateBinding HorizontalAlignment}" 
                                        IsTabStop="False" 
                                        Margin="{TemplateBinding Padding}"
                                        VerticalAlignment="{TemplateBinding VerticalAlignment}"/>
                    </Grid>
                </Border>
            </Border>
            <Border x:Name="FocusVisualTop" BorderBrush="#FF6DBDD1" BorderThickness="1,1,1,0" CornerRadius="3,3,0,0" IsHitTestVisible="false" Margin="-2,-2,-2,0" Visibility="Collapsed"/>
            <Border x:Name="DisabledVisualTopSelected" Background="#8CFFFFFF" CornerRadius="3,3,0,0" IsHitTestVisible="false" Margin="-2,-2,-2,0" Opacity="0"/>
        </Grid>

        <!-- 上部に配置されたタブの未選択時 -->
        <Grid x:Name="TemplateTopUnselected" Visibility="Collapsed">
            <Border x:Name="BorderTop" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="1" Background="{TemplateBinding Background}" CornerRadius="3,3,0,0">
                <Border x:Name="GradientTop" BorderBrush="#FFFFFFFF" BorderThickness="1" CornerRadius="1,1,0,0"
                        Background="{StaticResource TabItemBackground}">
                    <!-- 未選択時の背景色 -->
                    <Grid>
                        <ContentControl x:Name="HeaderTopUnselected" Cursor="{TemplateBinding Cursor}" Foreground="{TemplateBinding Foreground}" FontSize="{TemplateBinding FontSize}" HorizontalAlignment="{TemplateBinding HorizontalAlignment}" IsTabStop="False" Margin="{TemplateBinding Padding}" VerticalAlignment="{TemplateBinding VerticalAlignment}"/>
                    </Grid>
                </Border>
            </Border>
            <Border x:Name="DisabledVisualTopUnSelected" Background="#8CFFFFFF" CornerRadius="3,3,0,0" IsHitTestVisible="false" Opacity="0"/>
        </Grid>

        :省略（サンプルコードをダウンロードして確認してください）
    </Grid>
</ControlTemplate>


</Style>

   
</Application.Resources>