I'm sorry, I missed to add the link to MS documentation concerning  
access to environment variables via WinApi.
Here it is:

http://msdn.microsoft.com/en-us/library/ms683187(VS.85).aspx

Best regards,
Rainer

Am 14.01.2010 um 19:20 schrieb Rainer Neubauer:

> Thanks to all who sent ideas / comments / advice to solve my problem.
> In the meantime I contacted the vendor of the DLL but up to now I  
> don't have a solution.
>
> Bernhard:
> The module below named TrialsWin contains some experimental code to  
> read / modify environment variables (e.g. path) within BB. I used  
> it to set path and to check if BB is able to see the correct value.
>
> Best regards,
> Rainer
>
>
>
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