IUPnPEventSink interface (upnphost.h)

The IUPnPEventSink interface allows a hosted service to send event notifications to the device host.

Inheritance

The IUPnPEventSink interface inherits from the IUnknown interface. IUPnPEventSink also has these types of members:

The IUPnPEventSink interface has these methods.


IUPnPEventSink::OnStateChanged The OnStateChanged method sends an event to the device host with the list of DISPIDs of the state variables that have changed. The device host must query the service object to obtain the new value for each state variable that has changed.
IUPnPEventSink::OnStateChangedSafe The OnStateChangedSafe method sends an event to the device host with the list of DISPIDs that have changed. The device host must query the service object to obtain the new value for each state variable that has changed.