Hi George,
Could be something as simple as a SendMessage() with WM_CLOSE to the help window or something along the lines of the old style help. Funny, though, I can't find anything in the SDK on it.
The function is called HTMLHelp() and takes the same parameters, just with different values. Since I still have the July MSDN installed, there's only one entry in there and that one might be outdated. *s*
Christof
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Christof