>>We have an app that will be distributed in a stand-alone version on CD-ROM. The problem is that temp files are written by default to the startup directory. On CD-ROM, that would be the startup directory on the CD which is read-only of course. Instant crash.
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>>While we could just put "TMPFILES C:\" in CONFIG.FPW, this isn't a great solution. Some folks may have partitioned drives with C being a small partition with the operating system on it and D being the data partition.
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>>Is there any way to intelligently set TMPFILES? It would nice to be able to get the space available from all local drives and set TMPFILES to the drive with the most space.
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>>TIA
>
>This sounds like something that can be done via the Windows registry - have you looked into that?

If you start the application from progman (win 3.x) or desktop (win95) you can set a startup directory different of the EXE directory. Look at the properties of icon in windows...