Row-Hiding
This property hides the row identified by the Y property. The row is still available to the program, but is no longer visible to the user. Valid values are:
0
Shows a row.
1
Hides a row.
This property and the style Adjustable-Rows cannot coexist.
 
Example - Hide the third row in a grid
modify screen-1-gr-1 y=3 row-hiding=1