Mega Code Archive
Delegate is a function pointer
<![CDATA[
using System;
class MainClass
{
delegate int MyDelegate(string s);
static void Main(string[] args)
{
MyDelegate Del1 = new MyDelegate(DoSomething);
MyDelegate Del2 = new MyDelegate(DoSomething2);
string MyString = "Hello World";
Del1(MyString);
Del2(MyString);
}
static int DoSomething(string s)
{
Console.WriteLine("DoSomething");
return 0;
}
static int DoSomething2(string s)
{
Console.WriteLine("DoSomething2");
return 0;
}
}
DoSomething
DoSomething2
using System;
public class Machine
{
string name;
public Machine(string name)
{
this.name = name;
}
public void Process(string message)
{
Console.WriteLine("{0}: {1}", name, message);
}
}
class Test
{
delegate void ProcessHandler(string message);
static public void Process(string message)
{
Console.WriteLine("Test.Process(\"{0}\")", message);
}
public static void Main()
{
Machine computer = new Machine("Computer");
ProcessHandler ph = new ProcessHandler(computer.Process);
ph = (ProcessHandler) Delegate.Combine(ph, new ProcessHandler(Process));
ph("compile");
}
}
Computer: compile
Test.Process("compile")
]]>