Grouping tile used to organize tiles into a row with a border around it.
Supported Platforms: Windows only
: boxed_row { alignment children_alignment children_fixed_height children_fixed_width fixed_height fixed_width height label width }
A boxed row has a border around it. If a boxed row has a label, the label appears embedded in it.
Appears as a title. If the label is absent, blank (the default), or null (""), only the box appears. Spacing between a blank and a null label might be different.