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.
This property works only on tree-views with the Table-View style.
It’s not possible to hide the first column. The X property must be set to a value greater than 1 for this property to have effect.
 
Example - Hide the third column of the tree-view
procedure division.
...
    modify screen-1-tv-1 x=3 column-hiding=1