Event && Delegate

Amos Xia, 2018-04-30 13:28:12

Events in the .NET Framework are based on the delegate model. The delegate model follows the observer design pattern, which enables a subscriber to register with, and receive notifications from, a provider.

Event-Delegate Pattern: - Event - Delegate for Event Handler - Event Data

The .NET Framework provides EventHandler and EventHandler delegates to support most event scenarios.

The EventArgs class is the base type for all event data classes.



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