static void Main(string[] args)
{
Teacher teacherChen = new Teacher();
TeacherEventArgs tea = new TeacherEventArgs();
teacherChen.teacherEventArgs = tea;
teacherChen.teacherEventArgs.ForWhat = "EXAM";
Student stu1 = new Student();
Student stu2 = new Student();
teacherChen.TeacherComing += stu1.OnTeachercoming;
teacherChen.TeacherComing += stu2.OnTeachercoming;
teacherChen.TeacherRun();
Console.ReadKey();
}
public void OnTeachercoming(object o, TeacherEventArgs e)
{
Console.WriteLine("Stop Watching Cellphone");
Console.WriteLine("Begin Reading");
Console.WriteLine("Teacher:\"I'm coming for " + e.ForWhat + " \"");
}
