>Thanks Sergey and Nick. Got it.
>
>
>>>
>>>When using DEFINE statements inside an INCLUDE file must one use the #INCLUDE statement in every program that references the DEFINE's?
>>
>>Yes
>>
>>> What about forms? Must one use a #INCLUDE in every method/event of a form which may reference a DEFINE in the INCLUDE file or is there an easier global way to specify the INCLUDE file for the entire application?
>>
>>You can specify #INCLUDE file for a form in the Form/Class Designer in the Form/Class -> Include menu. The file specifie in the _INCLUDE system variable will be used for any new form/class but there's no global runtime include file for an application.

Thats a useful tip about the _include system variable from Sergey. I hadn't noticed that.

Nick