static void Display(object source,EventArgs e)
{
Console.WriteLine("You are a pig!");}
改成
static void Display(string kkk)
{
Console.WriteLine("You are a pig!");
Console.WriteLine(kkk);}
{
Console.WriteLine("You are a pig!");}
改成
static void Display(string kkk)
{
Console.WriteLine("You are a pig!");
Console.WriteLine(kkk);}
static void Display(object source,EventArgs e)
{
Console.WriteLine("You are a pig!");}改为
static void Display(string Message)
{
Console.WriteLine("You are a pig!");}
public delegate string myEventHandler(string Message);//建立委托改成:
public delegate string myEventHandler(object sender,EventArgs e);//建立委托
{
public delegate void myEventHandler(string Message,EventArgs e);//建立委托
class EventClass
{
public event myEventHandler myEvent;
static void Display(string source,EventArgs e)
{
Console.WriteLine("You are a pig!");
}
static void Main(string[] args)
{
EventClass myEventClass=new EventClass();
myEventClass.myEvent+=new myEventHandler(Display);
}
}}