WPF 程序Form自的控件自适应方式之一

<Window x:Class="MapEditor2.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="400" Width="600">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition ToolTip="菜单栏" Height="30"/>
            <RowDefinition ToolTip="工作区" Height="200*"/>
            <RowDefinition ToolTip="状态栏" Height="30"/>
        </Grid.RowDefinitions>
        <StatusBar Margin="0,0,0,0" Grid.Row="2" BorderBrush="#FF2671A4" BorderThickness="0,1,0,0" />
    </Grid>
</Window>