MetroXamlpad UI

MainPage.xaml

<UserControl
    x:Class="MetroXamlpad.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    
    <Grid x:Name="LayoutRoot" Background="#FF0C0C0C">
        <Grid.RowDefinitions>
            <RowDefinition/>
            <RowDefinition/>
            <RowDefinition MaxHeight="50" Height="Auto"/>
        </Grid.RowDefinitions>

        <Grid x:Name="host" Margin="2,2,2,0"/>

        <TextBox x:Name="xamlEditor" Grid.Row="1" Margin="2"
                 AcceptsReturn="True" TextWrapping="Wrap"
                 KeyDown="xamlEditor_KeyDown" KeyUp="xamlEditor_KeyUp"
                 LostFocus="xamlEditor_LostFocus"/>

        <TextBlock x:Name="errorDisplay" Grid.Row="2" Foreground="LightPink" />
    </Grid>
    
</UserControl>