August 2022
Intermediate to advanced
280 pages
4h 55m
French
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23. Événements
Lorsque vous utilisez des délégués, il y a en général deux rôles qui se détachent : le diffuseur et l’abonné. Le diffuseur est un type qui contient un champ délégué. Le diffuseur décide quand diffuser, en invoquant le délégué. Les abonnés sont les destinataires cibles de la méthode. Un abonné décide quand commencer et arrêter l’écoute, en appelant += et -= sur le délégué du diffuseur. Un abonné ne connaît pas les autres abonnés ou n’interfère pas avec eux.
Les événements sont une fonctionnalité du langage qui formalise ce modèle. event est une construction qui expose uniquement le sous-ensemble de fonctionnalités déléguées requises pour le modèle diffuseur/abonné. Le but principal des événements est d’empêcher les abonnés d’interférer ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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