How To Embed An Application Into a Docking Library

<UserControl x:Class="CSWPFMasterDetailBinding.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="clr-namespace:CSWPFMasterDetailBinding.Data"
    Height="410" Width="657">
    <UserControl.Resources>
        <!-- Data Source For Binding-->
        <local:CustomerList x:Key="CustomerList"/>
    </UserControl.Resources>
    
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="23" />
            <RowDefinition Height="166*" />
            <RowDefinition Height="23" />
            <RowDefinition Height="188*" />
        </Grid.RowDefinitions>
        
        <Label Grid.Row="0">Customer List:</Label>
        <Label Grid.Row="2">Orders List:</Label>
        
        <!-- This ListView displays the all the customer information -->
        <ListView Grid.Row="1" Name="listViewCustomers" 
                  ItemsSource="{Binding Source={StaticResource CustomerList}, Path=Customers}"
                  SelectedIndex="0">
            <ListView.View>
                <GridView>
                    <GridViewColumn Header="ID" DisplayMemberBinding="{Binding ID}" Width="50"/>
                    <GridViewColumn Header="Name" DisplayMemberBinding="{Binding Name}" Width="100"/>
                </GridView>
            </ListView.View>
        </ListView>
        
        
        <!-- This ListView displayd the corresponding order information for the selected customer in the customers ListView -->
        <!-- Put attention to the ItemSource property, its the key point of this kind of master/detail data binding -->
        <ListView Grid.Row="3" Name="listViewOrders"
                  ItemsSource="{Binding ElementName=listViewCustomers, Path=SelectedItem.Orders}">
            <ListView.View>
                <GridView>
                    <GridViewColumn Header="ID" DisplayMemberBinding="{Binding ID}" Width="50"/>
                    <GridViewColumn Header="Date" DisplayMemberBinding="{Binding Date}" Width="auto"/>
                    <GridViewColumn Header="ShipCity" DisplayMemberBinding="{Binding ShipCity}" Width="auto"/>
                </GridView>
            </ListView.View>
        </ListView>
    </Grid>
</UserControl>