22 Oct
2014
22 Oct
'14
3:35 p.m.
2014-10-22 6:01 GMT-03:00 Stephan Eggermont <stephan(a)stack.nl>nl>:
You can set a property in the description
readonly: (self date notNil);
Or if you use a persistence based solution, with an ID per instance, you can do:
aDescription readonly: self id notNil
Regards,
Esteban A. Maringolo