Re: CComClassFactory2::CreateLicense *always* gets called. Why?

"Igor Tandetnik" <>
Sat, 22 Dec 2007 15:34:43 -0500
"Paul" <> wrote in message

I know that to create licensing, you create a class with the
GetLicenseKey(), IsLicenseValid(), and VerifyLicenseKey()
implementations, and in the main class you place this:

Where CMyLicense is that class that contains the three methods I
mentioned. OK, everything compiles, builds, registers the control,
fine. When I test these methods, the method that is called in the
bowels of the ATL code is always CComClassFactory2::CreateInstance(),
which then calls IsLicenseValid(). Of course this is no good for
run-time/design-time licensing code. I've double checked that the
control I am using is the one I created with the IClassFactory2

Has your implementation of GetLicenseKey ever been called (in
particular, when putting the control on a VB form, which I know supports
licensed controls)? Does it succeed? You cannot expect CreateInstanceLic
and IsLicenseValid to be called if you have not provided a license key
in the first place.
With best wishes,
    Igor Tandetnik

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