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Because the event loop of retrieving/dispatching of events are common amongst applications, many programming frameworks take care of their implementation and expect the user to provide only the code for the event handlers. RPG, an early programming language from IBM, whose 1960s design concept was similar to event-driven programming discussed ...
Pages in category "Articles with example Python (programming language) code" The following 200 pages are in this category, out of approximately 201 total. This list may not reflect recent changes. (previous page)
The following REBOL/Red code demonstrates callback use. As alert requires a string, form produces a string from the result of calculate; The get-word! values (i.e., :calc-product and :calc-sum) trigger the interpreter to return the code of the function rather than evaluate with the function. The datatype! references in a block!
"Post" event trigger run after the event; "Pre" event triggers run before the event and can prevent the event from happening. The most common types of events are opening/closing a module, selecting a new object, or saving an object-attr value. Dynamic triggers are not stored and exist only while DOORS is running on the client computer.
In computing, an event is a detectable occurrence or change in the system's state, such as user input, hardware interrupts, system notifications, or changes in data or conditions, that the system is designed to monitor. Events trigger responses or actions and are fundamental to event-driven systems.
In the traditional model, [21] event handlers can be added or removed by scripts. Like the inline model, each event can only have one event handler registered. The event is added by assigning the handler name to the event property of the element object. To remove an event handler, simply set the property to null:
The following source code is an example of an API/function hooking method which hooks by overwriting the first six bytes of a destination function with a JMP instruction to a new function. The code is compiled into a DLL file then loaded into the target process using any method of DLL injection. Using a backup of the original function one might ...
To use this script, select Scripting > Edit events..., right-click on the OnChannelMessage event and select New handler, then paste the script. For using the secure server , change the following line in the used script: