isCOBOL Evolve : User Interface : Controls Reference : COMBO-BOX : Properties : Min-Width
Min-Width
The control's minimum width. This setting will affect the Layout Manager’s behavior.
 
Example - Define a combo-box control that can be resized by the layout-manager and has a minimum width
screen section.
...
03 screen-1-co-1 Combo-Box
   line 19.0
   column 23.0
   size 12.0 cells 
   lines 11.0
   id 13
   min-width 20.0
   layout-data 17
   3-d
   drop-down
   .