CSHARP

wpf xaml group of buttons

<Grid x:Name="myGrid">
    <Grid.ColumnDefinitions>
        <ColumnDefinition Width="33*"/>
        <ColumnDefinition Width="33*"/>
        <ColumnDefinition Width="33*"/>
    </Grid.ColumnDefinitions>
    <Grid.RowDefinitions>
        <RowDefinition Height="33*"/>
        <RowDefinition Height="33*"/>
        <RowDefinition Height="33*"/>
    </Grid.RowDefinitions>
    <Button Content="1" Grid.Row="0" Grid.Column="0" ></Button>
    <Button Content="2" Grid.Row="0" Grid.Column="1" ></Button>
    <Button Content="3" Grid.Row="0" Grid.Column="2" ></Button>
    <Button Content="4" Grid.Row="1" Grid.Column="0" ></Button>
    <Button Content="5" Grid.Row="1" Grid.Column="1" ></Button>
    <Button Content="6" Grid.Row="1" Grid.Column="2" ></Button>
    <Button Content="7" Grid.Row="2" Grid.Column="0" ></Button>
    <Button Content="8" Grid.Row="2" Grid.Column="1" ></Button>
    <Button Content="9" Grid.Row="2" Grid.Column="2" ></Button>
</Grid>