<Window x:Class="MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  Title="Ventana WPF" Height="200" Width="300" Name="VentanaWPF">
  <Grid>
    <Grid.RowDefinitions>
      <RowDefinition />
      <RowDefinition />
    </Grid.RowDefinitions>
    <StackPanel Grid.Row="0" VerticalAlignment="Center">
      <Label Content="label1" Name="label1"
        HorizontalContentAlignment="Center" />
      <Label Content="label2" Name="label2"
        HorizontalContentAlignment="Center" />
      <Label Content="label3" Name="label3"
        HorizontalContentAlignment="Center" />
    </StackPanel>
    <Button Grid.Row="1" Content="Haga _clic aquí" Name="btSaludo"
      Height="23" Width="120" 
      ToolTip="Botón de pulsación" Click="btSaludo_Click" />
  </Grid>
</Window>
