<ad:DocumentContent x:Class="SSWMS.Client.SYS.TOP_PARENT_BOTTOM_CHILD"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:ad="clr-namespace:AvalonDock;assembly=AvalonDock"
    xmlns:uc="clr-namespace:SSWMS.Client.UC"
    Title="TOP_PARENT_BOTTOM_CHILD">
    <uc:ucTopParentBottomChild x:Name="dgParentChild"></uc:ucTopParentBottomChild>
</ad:DocumentContent>