fork download 
  1. using System;
  2.  
  3. class Test{
  4.    public static void Main(){
  5.       new Test().F();
  6.    }
  7.  
  8.    event EventHandler ev1;
  9.    EventHandler ev2;
  10.  
  11.    void F(){
  12.       ev1 += Handler1;
  13.       ev1 += Handler2;
  14.       ev1 += Handler3;
  15.       try{ev1(null,null);}catch(Exception ex){Console.WriteLine("catch["+ex.Message+"]");}
  16.  
  17.       ev2 = chain(ev2, Handler1);
  18.       ev2 = chain(ev2, Handler2);
  19.       ev2 = chain(ev2, Handler3);
  20.       try{ev2(null,null);}catch(Exception ex){Console.WriteLine("catch["+ex.Message+"]");}
  21.    }
  22.  
  23.    static EventHandler chain(EventHandler a, EventHandler b){
  24.       return (Object sender, EventArgs e) => {if(a!=null){a(sender, e);} if(b!=null){b(sender, e);}};
  25.    }
  26.  
  27.    static void Handler1(Object sender, EventArgs e){
  28.       Console.WriteLine("1");
  29.    }
  30.    static void Handler2(Object sender, EventArgs e){
  31.       Console.WriteLine("2");
  32.       throw new Exception("ex2");
  33.    }
  34.    static void Handler3(Object sender, EventArgs e){
  35.       Console.WriteLine("3");
  36.    }
  37. }
Success #stdin #stdout 0.04s 36872KB
comments (?)
stdin 
Standard input is empty
stdout 
1
2
catch[ex2]
1
2
catch[ex2]
https://ideone.com/HOC3k
language:
C# (gmcs 5.20.1)
created:
11 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!