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In computer programming, event-driven programming is a programming paradigm in which the flow of the program is determined by external events. Typical event can be UI events from mice, keyboards, touchpads and touchscreens, or external sensor inputs, or be programmatically generated ( message passing) from other programs or threads, or network ...
The events generated using a touchscreen are commonly referred to as touch events or gestures. Device events. Device events include action by or to a device, such as a shake, tilt, rotation, or move. Delegate event model Delegate event model. clickme is the event source –a button in this example–, and it contains a list of listeners.
The event itself is a pointer to a method in another object. If the pointer is not empty, when an event occurs, the event handler is called. Events are commonly used in classes that support GUI. This is not the only area of application for events, however. The following code is an example of using events:
Event-driven programming – program control flow is determined by events, such as sensor inputs or user actions (mouse clicks, key presses) or messages from other programs or threads. Automata-based programming – a program, or part, is treated as a model of a finite state machine or any other formal automaton.
Event loop. In computer science, the event loop (also known as message dispatcher, message loop, message pump, or run loop) is a programming construct or design pattern that waits for and dispatches events or messages in a program. The event loop works by making a request to some internal or external "event provider" (that generally blocks the ...
A discrete-event simulation ( DES) models the operation of a system as a ( discrete) sequence of events in time. Each event occurs at a particular instant in time and marks a change of state in the system. [1] Between consecutive events, no change in the system is assumed to occur; thus the simulation time can directly jump to the occurrence ...
Rockwell Automation. A discrete event simulation program that also allows modeling of continuous processes. August 28, 2019 [2] Care pathway simulator. SAASoft Ltd. A discrete event simulation program specifically designed for service industries e.g. healthcare. Unknown. Enterprise Dynamics.
Event tree analysis ( ETA) is a forward, top-down, logical modeling technique for both success and failure that explores responses through a single initiating event and lays a path for assessing probabilities of the outcomes and overall system analysis. [1] This analysis technique is used to analyze the effects of functioning or failed systems ...