W007. ThreeButtons

GUI

<Window x:Class="w002_ThreeButtons.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:w002_ThreeButtons"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition/>
            <RowDefinition/>
            <RowDefinition/>
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition/>
            <ColumnDefinition/>
            <ColumnDefinition/>
        </Grid.ColumnDefinitions>
        <Button Margin="20,10,20,10" Grid.Row="0" Grid.Column="0" FontSize="40">Button1</Button>
        <Button Margin="20,10,20,10" Grid.Row="1" Grid.Column="1" FontSize="40">Button2</Button>
        <Button Margin="20,10,20,10" Grid.Row="2" Grid.Column="2" FontSize="40">Button3</Button>
        
    </Grid>
</Window>