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Creating Simple ISAPI Extensions
For an ISAPI extension to be used by IIS, it must provide a standard interface. To provide a standard interface, each ISAPI extension DLL must implement and export two primary functions, GetExtensionVersion and HttpExtensionProc. A third function, TerminateExtension, is optional and is commonly used by extensions to perform cleanup operations.
The following example shows you how to use the C++ programming language to implement the basic functions that an ISAPI extension uses.
This example is taken from the "Simple" sample files that are included with the IIS section of the Platform SDK. It can also be downloaded from
14 03, 2005
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