Event Handler

Some articles on event handler, event, events:

Event (computing) - Event Handler
... In computer programming, an event handler is an asynchronous callback subroutine that handles inputs received in a program (called a listener in Java) ... Each event is a piece of application-level information from the underlying framework, typically the GUI toolkit ... GUI events include key presses, mouse movement, action selections, and timers expiring ...
Event-driven Programming - Event Handlers - Creating Event Handlers
... The first step in developing an event-driven program is to write a series of subroutines, or methods, called event-handler routines ... These routines handle the events to which the main program will respond ... provide the programmer with event templates so that the programmer only needs to supply the event code ...
Event-driven Programming - Event Handlers - A Trivial Event Handler
... Because the code for checking for events and the main loop does not depend on the application, many programming frameworks take care of their implementation and expect ... In this simple example there may be a call to an event handler called OnKeyEnter that includes an argument with a string of characters, corresponding to what the user typed before hitting the ENTER key ... To add two numbers, storage outside the event handler must be used ...

Famous quotes containing the word event:

    In the event of an oxygen shortage on airplanes, mothers of young children are always reminded to put on their own oxygen mask first, to better assist the children with theirs. The same tactic is necessary on terra firma. There’s no way of sustaining our children if we don’t first rescue ourselves. I don’t call that selfish behavior. I call it love.
    Joyce Maynard (20th century)