Usage of Delegates

Usage 1: A object invokes the fucntionb of the B object, and the method of the A object is called in functionb;

Simulation Scenario: There is a courier, is dedicated to help customers send things to others, and sometimes customers will ask The courier will be sent to the time to do some extra things, such as:

Customer 1: Courier delivered to help me beat him up.

Customer 2: Courier delivered to me, give him a kiss.

Courier was originally not ' beat him a meal ' this method, is the customer passed to him;

Specific to the lighting game:

　　　　

　　　　

　　

Usage of Delegates