The other Pete wrote:

> In my current project, if I set
>
>  gFBUseNavServices = _zTrue
>
> then I get errors when I try to file handling based stuff, but if I comment
> out the gFBUseNavServices = _zTrue then the code works as expected.
>
> Anyone else had problems with gFBUseNavServices = _zTrue ?
>
> FB^3 Release 5
> Macintosh G3/266
> OS 8.6
> RAM: 416Megs
>

You might want to have a look at the variable gFBHasNavServices

What I do is..

IF SYSTEM(_sysvers) > 799 and gFBHasNavServices THEN gFBUseNavServices = _True

I use _True rather than _zTrue - but it just has to be non-zero.

Regards

Ian