THUAI6/installer/InstallerUpdater/MainWindow.xaml

<Window x:Class="InstallerUpdater.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:InstallerUpdater"
        mc:Ignorable="d"
        Title="MainWindow" Height="180" Width="300"
        ResizeMode="CanMinimize"
        >
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="40"/>
            <RowDefinition Height="20"/>
            <RowDefinition Height="40"/>
            <RowDefinition Height="20"/>
            <RowDefinition Height="*"/>
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="40"/>
            <ColumnDefinition Width="*"/>
            <ColumnDefinition Width="40"/>
        </Grid.ColumnDefinitions>
        <TextBlock Grid.Row="1" Grid.Column="1" TextAlignment="Center">正在尝试更新下载器</TextBlock>
        <ProgressBar Grid.Row="3" Grid.Column="1" IsIndeterminate="True"/>
    </Grid>
</Window>