C# Event Handlers Explained

In C#, an EventHandler is a delegate type used to define the method signature of event handlers. Event handlers are methods used to respond to events, and the associated event handler will be called when the event occurs.

By using EventHandler, you can link one or more methods to a specific event and automatically call these methods when the event occurs. This enables an event-driven programming model, allowing the program to execute corresponding logic when a specific event happens.

The EventHandler can accept two parameters: the object that sends the event and the object containing the event data. Typically, the event data is a custom class that includes information related to a specific event.

Using EventHandler allows for better organization and management of code by decoupling event handling logic from the triggering of events, making the code more modular and maintainable. Additionally, EventHandler provides a flexible way to allow multiple methods to subscribe to the same event and dynamically add or remove event handlers at runtime.