03/24 델리게이트 연습

 

Program.cs

using System;

namespace Study07
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Main");
            new App();
        }
    }
}

 

App.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;

namespace Study07
{
    //대리자 선언
    public delegate void DelPrint(string msg);
    public delegate string DelPrintWithLogo(string logo, string msg);

    //프린터기
    public class Printer
    {
        public Printer()
        {

        }
        public void Print(string msg)
        {
            Console.WriteLine(msg);
        }
        public string PrintWithLogo(string logo, string message)
        {
            return message + "\n" + logo;
        }
    }
    public class App
    {
        //생성자 
        public App()
        {
            Console.WriteLine("App");
            //대리자 초기화
            string message = "동해물과 백두산이...";
            Printer printer = new Printer();
            DelPrint delPrint = new DelPrint(printer.Print);
            delPrint(message);

            DelPrint delPrint2 = delegate (string msg)
            {
                Console.WriteLine("**** 무명메서드 ****");
                Console.WriteLine(msg);
            };
            //대리자 호출
            delPrint2(message);

            //람다식
            DelPrint delPrint3 = (msg) =>
            {
                Console.WriteLine("**** 람다식 ****");
                Console.WriteLine(msg);
            };

            //대리자 호출
            delPrint3(message);

            string logo = @"

                                                                                                    
                                                                                                    
                                                       ,..                                          
                                               ,=-   =@,,~;#;                                       
                                            $@#, @@@$,     @@~  #@=                                 
#@@@@$*;-  ~*:.                            @                 .** ..#@                               
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             !@#:*:,;!:@@          @*            .,~--.   .. ....,,,,@@                             
                .@@--,.~-!@,     .#         .=*!;:~~---~;*!  -.,,.,-,-#@-;=                         
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                         -@ @:.   .@-  ; .,--:,--~,.... !..~  -;:.--:,-~~-~@@@*                     
                         @ ,$=@.   ,#~ ; !-,,,~~,~,...;.,;  . .**- --:~~~~~~@@#                     
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                     #@@,-,,*@ !#*~~::::;;;;;;;;!!!*!******@@@$                                     
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                          ;*        .@@@@@@@@@@                                                     
                          @.           ~!$$=;.                                                      
                          !                                                                         
                         =                                                                          
                         ~                                                                          
                                                                                                    
";

            DelPrintWithLogo delPrint4 = new DelPrintWithLogo(printer.PrintWithLogo);
            string paper = delPrint4(logo, "던파에 오신걸 환영합니다.");
            Console.WriteLine(paper);

            //람다식
            DelPrintWithLogo delPrint5 = (logoArg, msg) => string.Format("{0}\n{1}", logoArg, msg);
            string paper2 = delPrint5(logo, "던파에 오신걸 환영합니다.");
            Console.WriteLine(paper2);
        }      

    }

}