MainWindow.xaml

<NavigationWindow x:Class="Update.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:Update"
        mc:Ignorable="d"
                Title="[FLY 系列软件] 安装 " Height="600" Width="600" WindowStartupLocation="CenterScreen" 
                  ShowsNavigationUI="False" Icon="info.ico" >

</NavigationWindow>