wpf 数据连接2

<Window x:Class="联系.Window3"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="Window3" Height="300" Width="300">
    <Grid>
        <TextBox HorizontalAlignment="Left" Height="23" Margin="83,27,0,0" TextWrapping="Wrap" Text="{ Binding Value, ElementName=aaa, UpdateSourceTrigger= PropertyChanged}" VerticalAlignment="Top" Width="120"/>
        <Slider  Name="aaa" HorizontalAlignment="Left" Margin="83,105,0,0" VerticalAlignment="Top" Width="186"/>

    </Grid>
</Window>