Column-Hiding
This property hides the column identified by the 
X property. The column is still available to the program, but is no longer visible to the user. Valid values are:
0   | Shows a column.  | 
1   | Hides a column.  | 
 
Example - Hide the third column of a grid
procedure division. ...    modify screen-1-gr-1 x=3 column-hiding=1  |