Retrieve List of Array Properties?

[Dave Cragg]

On 18 Feb 2006, at 20:07, Jeanne A. E. DeVoto wrote:

> At 11:59 AM -0800 2/18/2006, Scott Rossi wrote:
>> If I set some custom properties of an object via an array:
>>
>>   set the specialData["cool"] of fld 1 to "hello"
>>   set the specialData["hot"] of fld 1 to "world"
>>
>> ...how do I retrieve a list of the custom property names (are  
>> these called
>> "indexes"?) of the object?  ("cool", "hot", etc)
>
> There are a couple of ways. One is to use the customKeys to get the  
> current set of custom properties, after first setting the current  
> property set to the one you want:
>
>   set the customPropertySet of field 1 to "specialData"
>   put the customKeys of field 1 into myPropertyList
>
> Alternately, grab the whole array of custom properties, then get  
> the array's keys:
>
>   get the customProperties["specialData"] of this stack
>   put the keys of it into myPropertyList
>
> The second way is probably cleaner: it doesn't change the current  
> custom property set.

One further way...

   get the customKeys["specialData"] of field 1


Cheers
Dave