Undocumented APIs and 16 bit DLLs

re: Undocumented APIs and 16 bit DLLs

Gabe — Wed, 26 Jan 2005 21:13:00 GMT

Hmmm, it seems like you could just reference those APIs as legacy/unsupported in MSDN rather than remove the documentation all together.

While I agree that this will probably not affect many, if any, users...I do think that potentially breaking backward compatibility because someone in another department doesn't want to document a valid (but old API) is a poor decision. If there is one thing we know for sure, FoxPro apps will be around forever. They're kind of link the cobol/fortran apps of the PC world.

Legacy APIs will only increase in the future (especially with Longhorn). I suggest that the "Windows" folks address this by creating a legacy/unsupported documentation category.

re: Undocumented APIs and 16 bit DLLs

Raymond Chen — Thu, 27 Jan 2005 16:26:00 GMT

Universal thunks came with Win32s (wow, remember Win32s?). Here's some sample code from the KB: http://support.microsoft.com/kb/q125212/

I think all the docs on 16-bit Windows have also been trimmed from MSDN - does this mean all of 16-bit Windows is now "undocumented"?

re: Undocumented APIs and 16 bit DLLs

Calvin Hsia — Thu, 27 Jan 2005 21:23:00 GMT

Thanks for the link, Raymond.

Yep: I remember Win32s. It was a subset of the Win32API that allowed 32 bit apps to run on 16 bit Windows 3.11.

I think Visual Foxpro 3.0 and Microsoft Golf were the first two released products using Win32s.

re: Undocumented APIs and 16 bit DLLs

Rick Strahl — Fri, 28 Jan 2005 15:52:00 GMT

I used RegFn and CallFn quite a bit in Fox 2.x days. I had a whole library of API wrappers for it actually... At the time it was the only way to make API calls. Of course that all got dumped with VFP and DECLARE DLL.

I'm sure there are a few people out there that have some ancient legacy DLLs they need to call, but hey I figure if you really need it dig out an old copy of VFP and use FoxTools from there <g>...

re: Undocumented APIs and 16 bit DLLs

HCano — Mon, 31 Jan 2005 17:54:00 GMT

Is there any DOS version?
I would like MKDIR & RKDIR since FoxPro 2.x DOS (not VFP nor Windows).
Thanks.

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re: Undocumented APIs and 16 bit DLLs

Ted Roche — Tue, 16 Jan 2007 17:16:01 GMT

> Does anybody remember using these foxtools functions to call 16 bit DLLs? <

You betcha. I had an application that used 16-bit DLLs for faxing and had to do the thunk-thing. I doubt they are still in use and further doubt any remaining client would be updating the app to VFP 9. I'll let you know, though <g>...

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