How to increase the spaces between the items of `GridView` in Windows 8

Question

How to increase the space between the items of a GridView in Windows 8?

Answer 1

<GridView.ItemContainerStyle>
   <Style TargetType="FrameworkElement">
      <Setter Property="Margin" Value="0 0 20 20"/>
   </Style>
</GridView.ItemContainerStyle>