Thank you. It works!

>Ramil,
>
>This would do the trick
>

>LOCAL loerr as exception
>#DEFINE loErr o.err
>? loerr.ErrorNo
>

>
>Tracy
>
>>Hi all,
>>
>>How do I make intellisense work in this scenario. Assume that the DLL is already registered.
>>

>>* MTDLL file: MyDLL.dll
>>define class myClasses as session olepublic
>>   * add object err as exception  && does not work on a session class
>>   err = null
>>   proc init
>>      this.err = createobject('exception')
>>   endproc
>>   func Class1()
>>      try
>>         error(1)
>>      catch to this.err
>>      finally
>>      endtry
>>   endfunc
>>enddefine
>>
>>* Implementation:
>>o = createobject('MyDLL.myClasses')
>>o.Class1()
>>? o.err.Errorno  && err does not trigger intellisense!
>>