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How to write isapi dll like asp3.dll or afp.dll?
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To
20/10/2003 21:49:23
Lu Ping
Zhuhai Tec Co.
Zhuhai, China
General information
Forum:
Visual FoxPro
Category:
Other
Miscellaneous
Thread ID:
00840166
Message ID:
00841730
Views:
16
Hi,

all VFP web tools do actually use VFP to execute code. There are several ways:

- Use a COM server that is called from an ASP or ASP.NET document. That's the way ActiveVFP works,

- In the ISAPI instantiate a COM server (or multiple with pool management). This is how the FOXISAPI sample, WebConnection, AFP 2.4 and (I think) FoxWeb work and what ASP does internally.

- Run the VFP application separately and use interprocess communcication like a named pipe. This is how AFP 3 works and what ASP.NET does.

- Run the VFP application with a timer. Have the ISAPI extension create a file with the request, and the VFP part a file with the response. This is what WebConnection does when you run the server in the VFP development environment.

--
Christof
--
Christof
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