IDispatch : Method overview By inheritance

IDispatch

Member	Visibility	Description
GetIDsOfNames	default	Return IDs of named procedures
GetTypeInfo	default	Return type information about properties
GetTypeInfoCount	default	Return number of properties.
Invoke	default	Invoke a dispatch method

IUnknown

Member	Visibility	Description
QueryInterface	default	Return pointer to VMT table of interface
_AddRef	default	Increase reference count of the interface
_Release	default	Decrease reference count of the interface