Main.xaml

<Window x:Class="ScriptCommander.Main"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:scriptCommander="clr-namespace:ScriptCommander"
        Title="Main" Height="600" Width="800">
    <Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="300" />
            <ColumnDefinition Width="5" />
            <ColumnDefinition Width="*" />
        </Grid.ColumnDefinitions>
        <GridSplitter Grid.Column="1" ResizeDirection="Columns" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Width="5" />
        <scriptCommander:FileBrowser VerticalContentAlignment="Stretch" HorizontalAlignment="Stretch" x:Name="Browser" />
        <Grid Grid.Column="2">
            <Grid.RowDefinitions>
                <RowDefinition Height="*" />
                <RowDefinition Height="5" />
                <RowDefinition Height="200" />
            </Grid.RowDefinitions>
            <scriptCommander:ScriptViewer Grid.Row="0" x:Name="UiScriptCommander" Margin="2" />
            <GridSplitter Grid.Row="1" ResizeDirection="Rows" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Height="5" />
            <ScrollViewer VerticalScrollBarVisibility="Visible" Grid.Row="2">
                <TextBox AcceptsReturn="True" x:Name="UiTraceOut" Margin="2" />
            </ScrollViewer>
        </Grid>
    </Grid>
</Window>