改变变量触发事件

public   delegate   void   delegateHandler();
public   class   Program
{
public   int   i=0;
public   delegateHandler   myhandle;
public   int   changeI
{
get{return   i;}
set{
i=value;
myhandle();
}
}
}

public   class   otherclass
{
public   my   o;
public   otherclass()
{       o=new   my();
}
pulic   void   init()
{
o.myhandle+=new   delegateHandler(howtodeal);
}
public   void   howtodeal()
{
//你自己的处理程序
}