I did not get what is intended to be conveyed by: http://charm.cs.uiuc.edu/users/olawlor/ref/examples/cpp/virtual.cpp http://charm.cs.uiuc.edu/users/olawlor/ref/examples/cpp/virtual_destructor.cpp Please elucidate. Thank you. -- Tux #395953 resides at http://samvit.org playing with KDE 3.51 on SUSE Linux 10.0 $ date [] CCE +2006-03-19 W11-7 UTC+0530 - : send the line "unsubscribe linux-c-programming" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html