isCOBOL Evolve : User Interface : Controls Reference : WINDOW : Styles : { Modal | Modeless }
{ Modal | Modeless }
Modal
The user cannot activate a different window of the same application.
Only floating windows can have this style.
Modeless
The user can click another window of the same application to activate it.
 
Example - Display a window with modeless style
working-storage section.
77 window-handle1 usage handle of window.
...
procedure division.
...
  display floating  window background-low
          size 37.3
          lines 34.2
          line 20
          column 1
          cell width 10
          cell height 10
          label-offset 20
          control font Default-Font
          color 257
          modeless
          system menu
          title-bar
          no wrap
          title "Screen"
          handle window-handle1
          .