Hook: Change Standard OK/Cancel Button Behavior

Requirement

The standard behavior of the " OK " and " Cancel " buttons in a FormSheet needs to be changed.

Method of Adaptation

Augment feature

Level of Support

Parameter Pattern

HotSpot

FormSheets

Participants

FormSheet, NewFormSheet

Changes

1. subclass NewFormSheet of FormSheet.
2. if behavior of standard " OK " button needs to be changed:
1. NewFormSheet.ok overrides FormSheet.ok .
2. synchronisation ( NewFormSheet.ok , FormSheet.ok ).
3. if behavior of standard " Cancel " button needs to be changed:
1. NewFormSheet.cancel overrides FormSheet.cancel .
2. synchronisation ( NewFormSheet.cancel , FormSheet.cancel ).

Comments

• Another way of changing the behavior of the standard " OK " and " Cancel " buttons is to get the buttons (buttond ids BTNID_OK and BTNID_CANCEL ) and set their respective actions to new values.