ezy_property_callback

[This is preliminary specification and subject to change.]

Group

Property Sheets (more...)

Type

determ

Syntax

ezy_property_callback( WINDOW PROPERTY_OBJECT, PROPERTY_CALLBACK CALLBACK)

Flow patterns

(i,i)

Description:

Define Property callback predicate

Sample:

predicates
    proplist_properties_handler: PROPERTY_CALLBACK
    initialize_properties(WINDOW)
clauses
initialize_properties(WINDOW):-
    PROPERTY_LIST_ADDRESS = ["TOP_FRAME","PROPERTY_LIST"],
    ezy_object_get(WINDOW,PROPERTY_LIST_ADDRESS,PROPERTIES_WINDOW),
    ezy_property_callback(PROPERTIES_WINDOW,proplist_properties_handler),
    write(" *** {PROPERTIES TABLE} Initialized"),nl,!.