33 lines
612 B
C#
33 lines
612 B
C#
using System;
|
|
public delegate void E(object sender, string msg);
|
|
interface I {
|
|
event E a;
|
|
}
|
|
class T: I {
|
|
E _x;
|
|
event E I.a {
|
|
add { _x += value; }
|
|
remove { _x -= value; }
|
|
}
|
|
public static event E y;
|
|
public void fire(string s) {
|
|
_x("x", s);
|
|
y("y", s);
|
|
}
|
|
public void F(E handler) {
|
|
((I)this).a += handler;
|
|
y += handler;
|
|
}
|
|
}
|
|
class U {
|
|
static public void handler(object sender, string msg) {
|
|
Console.WriteLine("{0}: {1}", sender, msg);
|
|
}
|
|
static public void Main() {
|
|
T t = new T();
|
|
((I)t).a += new E(handler);
|
|
t.F(new E(handler));
|
|
t.fire("fire!");
|
|
}
|
|
}
|