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<Window x:Class="YourNamespace.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:local="clr-namespace:YourNamespace"
        Title="MainWindow" Height="350" Width="525">

    <Window.DataContext>
        <local:ViewModel/>
    </Window.DataContext>

    <Grid>
        <TextBox Text="{Binding YourProperty, Mode=TwoWay}"/>
    </Grid>
</Window>

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褰?code>ViewModel涓殑YourProperty灞炴€у彂鐢熷彉鍖栨椂锛?code>INotifyPropertyChanged鎺ュ彛浼氶€氱煡缁戝畾鐨刄I鍏冪礌锛堣繖閲屾槸TextBox锛夛紝浠庤€屾洿鏂癠I鐣岄潰涓婂搴旂殑鍊笺€傝繖鏍凤紝鍦?code>ViewModel涓慨鏀?code>YourProperty灞炴€ф椂锛孶I鐣岄潰涓婄粦瀹氱殑TextBox鐨勫€间篃浼氱浉搴斿湴鍙樺寲銆?/p>