Tutorial by Topics: delegates

Summary A delegate type is a type representing a particular method signature. An instance of this type refers to a particular method with a matching signature. Method parameters may have delegate types, and so this one method to be passed a reference to another method, which may then be invoked...

public delegate TResult Func<in T, out TResult>(T arg) public delegate TResult Func<in T1, in T2, out TResult>(T1 arg1, T2 arg2) public delegate TResult Func<in T1, in T2, in T3, out TResult>(T1 arg1, T2 arg2, T3 arg3) public delegate TResult Func<in T1, in T2, in T3, in T4...

Protocols and Delegates are two related but different concept: A Protocol is a interface a class can conforms to, meaning that class implements the listed methods. A Delegate is typically an anonymous object that conforms to a protocol. The application of Delegate called Delegation is a design ...

Pattern for adding multicasting capabilities to existing iOS controls. Adding multicasting allows for improved clarity and code re-use.