<Window x:Class="Window1"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="NineButtons" Height="195" Width="306">
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="33*" />
<RowDefinition Height="33*" />
<RowDefinition Height="33*" />
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="33*" />
<ColumnDefinition Width="33*" />
<ColumnDefinition Width="33*" />
</Grid.ColumnDefinitions>
<Button Grid.Row="0" Grid.Column="0" Margin="5">0,0</Button>
<Button Grid.Row="0" Grid.Column="1" Margin="5">0,1</Button>
<Button Grid.Row="0" Grid.Column="2" Margin="5">0,2</Button>
<Button Grid.Row="1" Grid.Column="0" Margin="5">1,0</Button>
<Button Grid.Row="1" Grid.Column="1" Margin="5">1,1</Button>
<Button Grid.Row="1" Grid.Column="2" Margin="5">1,2</Button>
<Button Grid.Row="2" Grid.Column="0" Margin="5">2,0</Button>
<Button Grid.Row="2" Grid.Column="1" Margin="5">2,1</Button>
<Button Grid.Row="2" Grid.Column="2" Margin="5">2,2</Button>
</Grid>
</Window>