Following is a summary of the window function calls that you would use to interface with IPF.

WinAssociateHelpInstance

Associates the help instance with the application window chain.
WinCreateHelpInstance
Calls the IPF help hook so that IPF can handle help requests.
WinCreateHelpTable
Identifies or changes the pointer to the help table in application memory.
WinDestroyHelpInstance
Ends the window chain's association with the help instance.
WinLoadHelpTable
Identifies or changes the handle of the module that contains the help table resource.
WinQueryHelpInstance
Identifies the help instance associated with a particular application window chain.

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