MainWindow.xaml

<NavigationWindow
    x:Class="WpfApplication1.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="中国塑控 China Plastic Control" 

        Height="768" Width="1024"  ShowsNavigationUI="False" Loaded="NavigationWindow_Loaded">
    </NavigationWindow>