Geoff Chappell - Software Analyst
VOID CoInternetSetExtensionsOff (VOID);
If FEATURE_ADDON_MANAGMENT is disabled, then there is no control of extensions, and this function does not turn them off. To find out whether extensions actually have been turned off by this function, call CoInternetIsExtensionsOff.
The CoInternetSetExtensionsOff function is exported as ordinal 102 from URLMON.DLL version 7.00 and higher.