ovehk at ping.uio.no
Fri Aug 31 08:27:46 CDT 2001
On Fri, 31 Aug 2001, giorgian wrote:
> after debugging a bit, we found that it crashes because it obtains a
> pointer by calling GetWindowLongA() with offset param = 0, and dies
> after accessing it, since GetWindowLongA returns 0.
GetWindowLong with offsets >= 0 is application-managed storage. The
application stores whatever it likes there using SetWindowLong. If the app
didn't store anything there yet (or stored a null pointer there), you
should figure out why it didn't.
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