isCOBOL Evolve : User Interface : Controls Reference : TAB-CONTROL : Styles : Height-In-Cells
Height-In-Cells
This style implies that the value specified for the Lines property, the one setting the Tab-Control control’s height, is expressed in CELLS. It is possible to get the same result writing: "Lines value CELLS".
 
Example - Define a tab-control with height in cells
screen section.
...
  03 screen-1-tc-1 Tab-Control
     line 2.8
     column 25.7
     size 34.6 cells 
     lines 28.9 
     id 10
     height-in-cells
     .