nc-event

Arguments: stream event-number button-state data frame-section

This generic function is obsolete and kept for backward compatibility only. Starting in version 5.0, events are handled somewhat differently than in 3.0.2. Instead of specializing nc-event, you should specialize the new generic function named after the message, such as nc-right-mouse-down and nc-mouse-moved. These were only constants in 3.0.2 (corresponding to the message argument to nc-event) but they are now constants and generic-functions. nc-event is still called, as in 3.0.2, but it simply dispatches to the appropriate new function. All these functions take the same arguments as nc-event except the event-number argument.

See cg-events.htm for information about event handling in Common Graphics.

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Created 2019.8.20.