Dear Christian, Thanks very much for your help. I managed to get the final problem solved regarding the crashed inside nsSampleImplConstructor(). Following the sample in nsPrefetchService.cpp. I realise that AddProgressListener() should be called inside Observe() function instead of the nsSampleImpl(). Hence, crashed occurs when AddProgressListener() is called inside nsSampleImpl().
Once again, thanks a lot. Regards, yueweng _______________________________________________ mozilla-embedding mailing list [EMAIL PROTECTED] http://mail.mozilla.org/listinfo/mozilla-embedding
