事件

namespace Example_1
{
class Student
  {
    public delegate void DelegateRegisterFinish();
    public event DelegateRegisterFinish RegisterFinish;
    private string _name;
    public Student(string name)
    {
      _name = name;
    }
    public void Register()
    {
      Console.WriteLine(\"学生{0}注册\",_name );
      if (RegisterFinish != null)
      {
        RegisterFinish();
      }
      
    }
  }
  class RegisterStudent
  {
    static void Main()
    {
      Console.Write(\"输入注册学生的姓名\");
      string studentName = Console.ReadLine();
      Student student = new Student(studentName);
      student.RegisterFinish += new Student.DelegateRegisterFinish(student_RegisterFinish);
      student.Register();
    }

    static void student_RegisterFinish()
    {
      Console.WriteLine(\"注册成功\");
      Console.ReadLine();
    }
  }

}