Скачать или смотреть 71- C# Func and Action built in delegate(Arabic)

C# - Func
-C# 3.0 includes built-in generic delegate types Func and Action, so that you don't need to define custom delegates
-Func is built-in delegate type.
-Func delegate type must return a value.
-Func delegate type can have zero to 16 input parameters.
-Func delegate does not allow ref and out parameters.
-Func delegate type can be used with an anonymous method or lambda expression.
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C# Action
-Action delegate is same as func delegate except that it does not return anything. Return type must be void.
-Action delegate can have 0 to 16 input parameters.
-Action delegate can be used with anonymous methods or lambda expressions.
--------------Advantages of Action and Func Delegates
-Easy and quick to define delegates.
-Makes code short.
-Compatible type throughout the application.