<Window x:Class="WpfApplication1.Window1"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="Grid Demo">
<Grid>
<Grid.RowDefinitions>
<RowDefinition />
<RowDefinition />
<RowDefinition />
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition />
<ColumnDefinition />
<ColumnDefinition />
</Grid.ColumnDefinitions>
<Button Grid.Row="0" Grid.Column="0" Grid.ColumnSpan="2">A</Button>
<Button Grid.Row="0" Grid.Column="2">C</Button>
<Button Grid.Row="1" Grid.Column="0" Grid.RowSpan="2">D</Button>
<Button Grid.Row="1" Grid.Column="1">E</Button>
<Button Grid.Row="1" Grid.Column="2">F</Button>
<Button Grid.Row="2" Grid.Column="1">H</Button>
<Button Grid.Row="2" Grid.Column="2">I</Button>
</Grid>
</Window>
| 
