COM+ Unleashed

Connection Point Container

The server can implement an IConnectionPointContainer class to dispense connection point objects. Listing 6.4 shows the definition of the IConnectionPointContainer interface.

Code Listing 6.4. Definition of the IConnectionPointContainer Interface

interface IConnectionPointContainer : IUnknown { HRESULT EnumConnectionPoints( [out] IEnumConnectionPoints ** ppEnum); HRESULT FindConnectionPoint([in] REFIID riid, [out] IConnectionPoint ** ppCP); }

The IConnectionPointContainer::FindConnectionPoint() method returns the IConnectionPoint object that services a particular interface identifier.

The IEnumConnectionPoints object is a standard enumeration class. Listing 6.5 shows the definition of the IEnumConnectionPoints