wpf Grid control Grid children spanning multiple rows/columns
Example
By using the Grid.RowSpan and Grid.ColumnSpan attached properties, children of a Grid can span multiple rows or columns.
In the following example the second TextBlock will span the second and third column of the Grid.
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition/>
<ColumnDefinition/>
<ColumnDefinition/>
</Grid.ColumnDefinitions>
<TextBlock Grid.Column="2" Text="abc"/>
<TextBlock Grid.Column="1" Grid.ColumnSpan="2" Text="def"/>
</Grid>
