GrabberListener::tListenerType

tListenerType enumerates the callback types supported by the Grabber.

Enumeration		Description


eDEVICELOST		If this parameter is passed to Grabber::addListener, the method GrabberListener::deviceLost of a GrabberListener object is called.
eFRAMEREADY		If this parameter is passed to Grabber::addListener, the method GrabberListener::frameReady of a GrabberListener object is called.
eOVERLAYCALLBACK		If this parameter is passed to Grabber::addListener, the method GrabberListener::overlayCallback of a GrabberListener object is called.
eDEVICELISTCHANGED		If this parameter is passed to Grabber::addListener, the method GrabberListener::deviceListChanged of a GrabberListener object is called.
eALL		If this parameter is passed to Grabber::addListener, all callbacks of GrabberListener will be called.