Screen Design

Main map

This is where you select, design or edit the main map used by this procedure as explained in the Map Assignment menu.

Select No Map if your procedure body does not have a main map.

Output method

This option controls the way in which the main map is displayed on the screen. Select the required option from the Map Output Method menu.

Attach to map and field

These two fields are is only available if you select Attach to another map as the output method.

Map

Enter the number of the map to which you wish to attach this map. The map must be already on the screen and should not usually have been a repeated map.

Field

This is only available if you select output method 4. Enter the number of the field to which you wish to attach this map. Enter 0 or Null if you have chosen window access and want to attach the map to the selected field in the window, or you have set the attach_field variable.

A map can be attached to any type of field in another map (except a field that corresponds to an embedded field). Usually, at least in 4.6xx, you will use an attach point. In 4.5xx edit fields of length 1 are used instead.

Clear before subsidiaries

Enable this option if you wish to remove the map when the procedure body is completed, but before subsidiaries are executed.

Clear after subsidiaries

Enable this option if you wish to remove the map when the procedure body and its subsidiaries are completed.

Function key area map

A function key area map is a map containing information about what various keys do, which is normally displayed at the bottom of the screen. It can be switched on and off by the user, like help messages.

Retain window on escape

When you access the main table via window access, the map of choices is normally cleared if the user presses Escape. Enable this option if you want the map to be kept on screen even if the user presses Escape.

Predisplay function key area map

Enable this option if you need a function key map that is displayed with the window, but which is not attached to it. By default unattached function key areas are only displayed after the window selection has been made.