18.08.2023, 10:11 | #1 |
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d365technext: Chain of Command VS Event Handlers
Источник: https://d365technext.blogspot.com/20...-handlers.html
============== Differences & Advantages Chain of Command (COC): Chain of Command is an extension framework in D365FO that allows developers to customize and extend standard application logic without modifying the original code. It enables you to add new business logic, validations, and modifications to existing methods in base classes. COC works by creating an extension class for the base class you want to modify and then overriding or adding methods within this extension class. COC supports before, after, and around method events. Advantages of COC:
Event Handler: Event handlers are programming constructs that allow you to subscribe to specific events that occur during the execution of application logic. They provide a way to respond to actions or state changes in the system. In D365FO, event handlers are often used to react to events such as record creation, modification, deletion, or specific actions taken by users. Event handlers are decoupled from the base code and are defined in a separate class. Advantages of Event Handlers:
In summary, COC and event handlers are both mechanisms to customize and extend Dynamics 365 Finance and Operations without directly modifying the original code. COC focuses on extending methods in base classes, while event handlers focus on reacting to events during application execution. The choice between COC and event handlers depends on the nature of customization required and the specific use case. Источник: https://d365technext.blogspot.com/20...-handlers.html
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