>>Naomi,
>>
>>Probably you are right and I am wrong, I might be getting confused with some other problem I had in the past related with length of strings when the "reserved" space was not big enough.
>>
>>>What exactly the GetData method is doing? Can we just pass an empty string always?
>
>I'm not sure myself here.

Many systems I've seen specify the size of the data being returned. We have to provide a space at least as big as the returned value. QuickBooks SDK comes to mind.