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using
System;
using
System.Collections.Generic;
using
System.Linq;
using
System.Text;
using
System.Threading;
using
System.Threading.Tasks;
namespace
ConsoleApplication34
{
class
Program
{
static
void
Main(
string
[] args)
{
Heater h =
new
Heater();
alertM a =
new
alertM();
h.BoilEvent += a.AM;
h.Boiled();
Console.ReadLine();
}
}
public
delegate
void
BoilHandler(
object
sender,BoilEventArgs e);
public
class
Heater
{
public
int
temperature;
public
event
BoilHandler BoilEvent;
public
void
Boiled()
{
for
(
int
i = 0; i <= 100; i++)
{
temperature = i;
if
(temperature > 95)
{
BoilEvent(
this
,
new
BoilEventArgs(temperature));
Thread.Sleep(2000);
}
}
}
}
public
class
alertM
{
public
void
AM(
object
sender,BoilEventArgs e)
{
Console.WriteLine(
"水马上就要开了"
+e.temperature);
}
}
public
class
BoilEventArgs : EventArgs
{
public
int
temperature;
public
BoilEventArgs(
int
param)
{
temperature = param;
}
}
}
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using
System;
using
System.Collections.Generic;
using
System.Linq;
using
System.Text;
using
System.Threading.Tasks;
namespace
ConsoleApplication35
{
class
Program
{
static
void
Main(
string
[] args)
{
List<User> list1 =
new
List<User>();
User u1 =
new
User(
"Daniel"
);
User u2 =
new
User(
"Acadia"
);
User u3 =
new
User(
"Johnes"
);
list1.Add(
new
User(
"Daniel"
));
list1.Add(u2);
list1.Add(u3);
ChangeName cn =
new
ChangeName(list1);
cn.RenameEvent += cn.RE;
cn.Rename(
"testtest"
, 2);
Console.ReadLine();
}
}
public
class
User
{
public
string
Name;
public
User(
string
name)
{
Name = name;
}
}
public
class
ChangeName
{
List<User> listuser;
public
delegate
void
RenameHandler(
object
sender, RenameEventArgs e);
public
event
RenameHandler RenameEvent;
public
ChangeName(List<User> list)
{
listuser = list;
}
public
void
Rename(
string
NewName,
int
i)
{
if
(i < listuser.Count && i>0)
{
string
OldName = listuser[i].Name;
listuser[i].Name = NewName;
RenameEvent(
this
,
new
RenameEventArgs(OldName,NewName,i));
}
}
public
void
RE(
object
sender,RenameEventArgs e)
{
Console.WriteLine(
"第"
+ e.Order+
"项，用户名称已经由"
+ e.OldName +
"改为了 "
+ e.NewName);
}
}
public
class
RenameEventArgs : EventArgs
{
public
string
NewName;
public
string
OldName;
public
int
Order;
public
RenameEventArgs(
string
Oldparam,
string
Newparam,
int
i)
{
OldName = Oldparam;
NewName = Newparam;
Order = i;
}
}
}
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备注：事件委托要放在事件发生的前面，如下：
h.BoilEvent += a.AM;
h.Boiled();
参考链接：
关于事件和委托，这篇写的太好了：http://www.cnblogs.com/jimmyzhang/archive/2007/09/23/903360.html#undefined
http://www.cnblogs.com/zhangchenliang/archive/2012/09/19/2694430.html
本文转自daniel8294 51CTO博客，原文链接：http://blog.51cto.com/acadia627/1922638，如需转载请自行联系原作者
