<ad:DocumentContent x:Class="SiaSun.LMS.WPFClient.BaseWin"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:uc="clr-namespace:SiaSun.LMS.WPFClient.UC"
        xmlns:ad="clr-namespace:AvalonDock;assembly=AvalonDock"
        Title="TestWin" Height="300" Width="300">

    <Grid></Grid>
</ad:DocumentContent>