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¡¡¡¡Ê×ÏÈÎÒÃÇÀ´¿´Ò»¸ö¼òµ¥µÄC#³ÌÐò(ÏÂÃæµÄ´úÂëÂÔÓÐɾ½Ú)¡£Ö´ÐгÌÐòµÄÊä³ö½á¹ûÈçÏÂÏÔʾ£º

SimpleDelegateFunction called from Ob1,

string=Event fired!

Event fired!(Ob1): 3:49:46 PM on

Friday, May 10, 2002

Event fired!(Ob1): 1056318417

SimpleDelegateFunction called from Ob2,

string=Event fired!

Event fired!(Ob2): 3:49:46 PM on

Friday, May 10, 2002

Event fired!(Ob2): 1056318417

¡¡¡¡ËùÓÐÕâЩ¶¼Ô´ÓÚÕâÑùÒ»ÐдúÂ룺dae.FirePrintString("Event fired!");

¡¡¡¡ÔÚÀûÓÃC++À´ÊµÏÖÕâЩ¹¦ÄÜʱ£¬ÎÒÄ£·ÂÁËC#µÄÓï·¨²¢ÍêÈ«°´ÕÕ¹¦ÄܵÄÒªÇó½øÐпª·¢¡£

namespace DelegatesAndEvents
{
class DelegatesAndEvents
{
public delegate void PrintString(string s);
public event PrintString MyPrintString;
public void FirePrintString(string s)
{
if (MyPrintString != null)MyPrintString(s);
}
}

class TestDelegatesAndEvents
{
[STAThread]
static void Main(string[] args)
{
DelegatesAndEvents dae =new DelegatesAndEvents();
MyDelegates d = new MyDelegates();
d.Name = "Ob1";
dae.MyPrintString +=new DelegatesAndEvents.PrintString(d.SimpleDelegateFunction);
// ... more code similar to the
// above few lines ...
dae.FirePrintString("Event fired!");
}
}
class MyDelegates
{
// ... "Name" property omitted...
public void SimpleDelegateFunction(string s)
{
Console.WriteLine("SimpleDelegateFunction called from {0}, string={1}", m_name, s);
}
// ... more methods ...
}
}

 
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