Yes, unless "Person" extends mx:Object, or is explicitly declared as dynamic, a hard reference to a property name will give a compile error if that property does not exist.
Tracy Spratt, Lariat Services, development services available _____ From: [email protected] [mailto:[email protected]] On Behalf Of droponrcll Sent: Sunday, November 08, 2009 10:07 AM To: [email protected] Subject: [SPAM] [flexcoders] Re: Get strong propertyName from object so it would break at compile time if changed --- In [email protected] <mailto:flexcoders%40yahoogroups.com> , "tntomek" <tnto...@...> wrote: > > Is there a way to get a strong property name from an object? > > scenario ... Person class having "weight" property > > var column:DataGridColumn > column.dataField = "weight"; > > can i do something like: > > column.dataField = Person.weight.getPropertyName(); > > ... so that if this "weight" property is renamed one day I would get compile time warning? > You can look for Person.hasOwnProperty('weight') to see if the property exists at runtime. If you want a compile-time warning, just put in a hard reference somewhere to aPerson.weight. HTH; Amy

