Zero/ZeroNetworkMonitor/ServiceControlPanel.xaml

<UserControl x:Class="ZeroNetworkMonitor.ServiceControlPanel"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
             xmlns:local="clr-namespace:ZeroNetworkMonitor"
             mc:Ignorable="d" 
             d:DesignHeight="600" d:DesignWidth="900">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="81"/>
            <RowDefinition Height="27"/>
            <RowDefinition Height="27"/>
            <RowDefinition Height="*"/>
            <RowDefinition Height="300"/>
        </Grid.RowDefinitions>
        <Grid>
            <Grid.RowDefinitions>
                <RowDefinition Height="27"/>
                <RowDefinition Height="27"/>
                <RowDefinition Height="27"/>
            </Grid.RowDefinitions>
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="150"/>
                <ColumnDefinition Width="200"/>
                <ColumnDefinition Width="150"/>
                <ColumnDefinition Width="200"/>
                <ColumnDefinition Width="*"/>
            </Grid.ColumnDefinitions>
            <Label Grid.Row="0" Grid.Column="0" Content="Service Name" VerticalAlignment="Center" HorizontalAlignment="Stretch"/>
            <TextBlock x:Name="tbName" Grid.Row="0" Grid.Column="1" VerticalAlignment="Center" HorizontalAlignment="Stretch"/>
            <Label Grid.Row="1" Grid.Column="0" Content="Service Key" VerticalAlignment="Center" HorizontalAlignment="Stretch"/>
            <TextBlock x:Name="tbKey" Grid.Row="1" Grid.Column="1" VerticalAlignment="Center" HorizontalAlignment="Stretch"/>
            <Label Grid.Row="2" Grid.Column="0" Content="Version" VerticalAlignment="Center" HorizontalAlignment="Stretch"/>
            <TextBlock x:Name="tbVersion" Grid.Row="2" Grid.Column="1" VerticalAlignment="Center" HorizontalAlignment="Stretch"/>
            <Label Grid.Row="0" Grid.Column="2" Content="Service Type" VerticalAlignment="Center" HorizontalAlignment="Stretch"/>
            <TextBlock x:Name="tbType" Grid.Row="0" Grid.Column="3" VerticalAlignment="Center" HorizontalAlignment="Stretch"/>
            <Label Grid.Row="1" Grid.Column="2" Content="Service Group" VerticalAlignment="Center" HorizontalAlignment="Stretch"/>
            <TextBlock x:Name="tbGroup" Grid.Row="1" Grid.Column="3" VerticalAlignment="Center" HorizontalAlignment="Stretch"/>
        </Grid>
        <ComboBox Grid.Row="1" x:Name="cbEndpoints" ItemsSource="{Binding}"/>
        <Label Grid.Row="2" Content="Inbox list"/>
        <ListBox x:Name="lbInboxes" ItemsSource="{Binding}" Grid.Row="3" SelectionChanged="LbInboxes_SelectionChanged">
            <ListBox.ItemTemplate>
                <DataTemplate>
                    <WrapPanel>
                        <TextBlock Text="["/>
                        <TextBlock Text="{Binding Port}"/>
                        <TextBlock Text="] "/>
                        <TextBlock Text="{Binding Name}"/>
                    </WrapPanel>
                </DataTemplate>
            </ListBox.ItemTemplate>
        </ListBox>
        <Grid Grid.Row="4">
            <TextBlock  HorizontalAlignment="Stretch" TextWrapping="Wrap" x:Name="tbInboxDescription" VerticalAlignment="Stretch"/>
        </Grid>
    </Grid>
</UserControl>