win-service-machine-dll/UPPPayDllOLD/Pay.xaml

<Window x:Class="UPPPayDll.Pay"
        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:UPPPayDll"
        mc:Ignorable="d"
        Title="Pay" Height="450" Width="800">
    <Grid>
        <Button Content="取消" HorizontalAlignment="Left" Margin="155,305,0,0" VerticalAlignment="Top" Height="51" Width="108" Click="Button_Click" Foreground="#FFFF003F"/>
        <Button Content="确认" HorizontalAlignment="Left" Margin="513,311,0,0" VerticalAlignment="Top" Height="45" Width="126" Click="Button_Click_1"/>
        <TextBox x:Name="textBox1" HorizontalAlignment="Left" Margin="209,105,0,0" Text="TextBox" TextWrapping="Wrap" VerticalAlignment="Top" Width="415" Height="30" PreviewKeyDown="TextBox1_PreviewKeyDown"/>
        <Label Content="请扫码：" HorizontalAlignment="Left" Margin="96,102,0,0" VerticalAlignment="Top" Height="32" Width="108" HorizontalContentAlignment="Center" VerticalContentAlignment="Center"/>
        <Label x:Name="textLabel1" Content="" HorizontalAlignment="Left" Margin="150,48,0,0" VerticalAlignment="Top" Height="30" Width="59" Foreground="#FFFF0034"/>

    </Grid>
</Window>