Delegates.

Question

Hello all.
Can someone explain the usefulness of delegates in C#?
Like examples for what they are good for?

Thanks in advance.

Answer 1

They can be used to call many methods at once. Specially useful for events.

Ex/
(syntax from Unity (mono)):

myButton.onClick.AddListener(
delegate{
callMethod1();
callMethod2();
}
);

On button press both methods are called.
It can also be used to attach any methods that are dependant on eachother.

Quoted from stackoverflow:
"Delegates are useful to offer to the user of your objects some ability to customize their behavior."

Some more examples here
https://docs.microsoft.com/en-us/dotnet/csharp/programming-guide/delegates/how-to-declare-instantiate-and-use-a-delegate

Answer 2

I use it for Unity also. Thanks