Difference between revisions of "Event"
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| − | Events are occurrences that the system recognizes, such as mouse clicks or key | + | Events are occurrences that the system recognizes, such as mouse clicks or key hits. |
When an event is received by an [[application]], the [[Responder|first responder]] in the [[Responder|responder chain]] is given the chance to deal with it. If the first responder doesn't know what to do with it, it passes it on up the responder chain. If no responder deals with it, the event is ignored. | When an event is received by an [[application]], the [[Responder|first responder]] in the [[Responder|responder chain]] is given the chance to deal with it. If the first responder doesn't know what to do with it, it passes it on up the responder chain. If no responder deals with it, the event is ignored. | ||
Revision as of 10:33, 8 November 2005
Events are occurrences that the system recognizes, such as mouse clicks or key hits.
When an event is received by an application, the first responder in the responder chain is given the chance to deal with it. If the first responder doesn't know what to do with it, it passes it on up the responder chain. If no responder deals with it, the event is ignored.