WPF 获取列表中控件的同时，选中其所在行

<ListBox.ItemTemplate>
    <DataTemplate>
        <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
            <Ellipse Width="10" Height="10" Fill="Red" Margin="0,0,5,0"></Ellipse>                             
            <StackPanel Orientation="Vertical" VerticalAlignment="Center">
                <TextBlock Text="{Binding Date,StringFormat={}{0:yyyy-MM-dd}}" FontSize="15" Margin="2,2,0,5"/>
                <TextBox Text="{Binding Description,UpdateSourceTrigger=PropertyChanged,Mode=TwoWay}" Foreground="Gray" BorderThickness="0" Background="Transparent" GotFocus="TextBox_GotFocus"/>
            </StackPanel>
        </StackPanel>
    </DataTemplate>
</ListBox.ItemTemplate>

private void TextBox_GotFocus(object sender, RoutedEventArgs e)
        {
            TextBox txtBox = sender as TextBox;
            Model.RevisionData c = txtBox.DataContext as Model.RevisionData;
            listbox.SelectedItem = c;
        }