WPF的BulletDecorator 对齐控件

<Window x:Class="WPFBulletDecorator.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="350" Background="Transparent" WindowStyle="None" AllowsTransparency="True" Width="525" >
    <Grid Background="Transparent">
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="100" />
            <ColumnDefinition />
        </Grid.ColumnDefinitions>
        <!--<Button Height="50" Width="70" />
        <Grid Background="Black" Grid.Column="1" />-->
        <WrapPanel>
            <BulletDecorator Height="25" VerticalAlignment="Top" Margin="5 10 0 0">
                <BulletDecorator.Bullet>
                    <Label>姓名:</Label>
                </BulletDecorator.Bullet>
                <TextBox Width="100" TextWrapping="Wrap"></TextBox>
            </BulletDecorator>
            <BulletDecorator Height="25" VerticalAlignment="Top" Margin="5 10 0 10">
                <BulletDecorator.Bullet>
                    <Label>年龄:</Label>
                </BulletDecorator.Bullet>
                <TextBox Width="100"></TextBox>
            </BulletDecorator>
            <BulletDecorator  Margin="5 10 0 0">
                <BulletDecorator.Bullet>
                    <CheckBox IsChecked="True"></CheckBox>
                </BulletDecorator.Bullet>
                <TextBlock Width="100" Foreground="Red">在CheckBox之后</TextBlock>
            </BulletDecorator>
            <BulletDecorator Margin="5,10,0,0">
                <BulletDecorator.Bullet>
                    <RadioButton/>
                </BulletDecorator.Bullet>
                <TextBlock
      Width="100"
      TextWrapping="Wrap"
      HorizontalAlignment="Left"
      Foreground ="Blue"
      Margin="5,0,0,0">
      在Radio后
                </TextBlock>
            </BulletDecorator>
        </WrapPanel>

    </Grid>
</Window>

可以 对齐控件的...调整
BulletDecorator 的属性 子控件跟着调整