rowHeight:Number [read-write]
The height of the rows in pixels. Unless the variableRowHeight property is true, all rows are the same height. If not specified, the row height is based on the font size and other properties of the renderer
variableRowHeight:Boolean
A flag that indicates whether the individual rows can have different height. This property is ignored by TileList and HorizontalList. If true, individual rows can have different height values.
The default value is false.
