<Window x:Class="NA200H.UI.WPF.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="350" Width="525" Loaded="MainWindow_OnLoaded">
    <Grid>
        <TextBox x:Name="Add1" HorizontalAlignment="Left" Height="23" Margin="46,125,0,0" TextWrapping="Wrap" Text="0" VerticalAlignment="Top" Width="65" TextAlignment="Center"/>
        <TextBox x:Name="Add2" HorizontalAlignment="Left" Height="23" Margin="144,125,0,0" TextWrapping="Wrap" Text="0" VerticalAlignment="Top" Width="65" TextAlignment="Center"/>
        <TextBox x:Name="Add3" HorizontalAlignment="Left" Height="23" Margin="242,125,0,0" TextWrapping="Wrap" Text="0" VerticalAlignment="Top" Width="65" TextAlignment="Center"/>
        <TextBox x:Name="AddAns" HorizontalAlignment="Left" Height="23" Margin="400,125,0,0" TextWrapping="Wrap" Text="0" VerticalAlignment="Top" Width="65" IsEnabled="False" TextAlignment="Center"/>
        <Button x:Name="Calc" Content="计算" HorizontalAlignment="Center" Margin="0,198,0,0" VerticalAlignment="Top" Width="75" Click="Calc_OnClick"/>
        <Label Content="+" HorizontalAlignment="Left" Margin="116,125,0,0" VerticalAlignment="Top" Width="23" HorizontalContentAlignment="Center" VerticalContentAlignment="Center"/>
        <Label Content="+" HorizontalAlignment="Left" Margin="214,125,0,0" VerticalAlignment="Top" Width="23" HorizontalContentAlignment="Center" VerticalContentAlignment="Center"/>
        <Label Content="=" HorizontalAlignment="Left" Margin="343,122,0,0" VerticalAlignment="Top" Width="23" HorizontalContentAlignment="Center" VerticalContentAlignment="Center"/>

    </Grid>
</Window>
