Cell-Protection
This property allows you to set or retrieve the protection setting of the cell identified by the X and Y properties.
Valid values are:
0
The cell is not protected at all. The user can access the cell and modify its value. This is the default setting.
1
The cell is read-only. The user can move into the cell, but cannot change its content.
2
The cell is protected. Any access to the cell is denied. If the user tries to move into a protected cell with the keyboard, it is skipped and the cursor goes to the next valid cell. If protected cell is clicked, no action occurs.
 
Example - Make a cell read only
procedure division.
...
  modify screen-1-gr-1 x = 1y = 2 cell-protection 1
...