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Generally speaking, a delegate is a class that maintains a field inside and points to a method. Events can be regarded as variables of one delegate type, and multiple delegates or methods are cancelled through event registration. This article uses delegate and event execution methods to understand the difference between the two.　　于是，这本该灭绝的王朝开始了一场新的混乱……　　陈重和赵悦结婚七年了，赵悦依然不倦地从生活的各个细节求证婚姻的安全程度，她需要的是细致的关心和绝对的忠贞。但陈重渴望的仍是火一样的爱情，就好像他大学毕业时为了赵悦从北京一路追到成都，放弃了父母和前途。影片讲述上世纪90年代初，两位少年前往台北，那里的一切冲击着这两个少年的感官。学校宿舍里发生了对同性恋的霸凌，尽管禁忌一一解放，学校也开始招收女生，但同性恋三个字仍如毒蛇猛兽人人唾弃。而两个男孩间原本暧昧的情愫，也因一个女孩的介入，而就此被打乱。　　故事是围绕方家四兄弟姐妹而展开的。因父母早逝，身为的士司机的大哥海珠（吴耀汉饰）便成了家里唯一的经济支柱。他为人风趣幽默，表面对弟妹颇为民主，但实质思想守旧。Key, numeric key 8 (keypad): nose down, key, numeric key 2 (also keypad): nose up, lift height, left key, numeric key 4: aileron of the plane will control the plane to somersault left in the air (be careful for friends who feel dizzy and carsick), right key, numeric key 6; The aileron of the aircraft will control the aircraft to somersault to the right in the air. Number key 5 (keypad): stabilize the aileron of the aircraft, letter G: lower and retract the landing gear (an area on the screen has a word beginning with G, disappearing means retract the landing gear), and H key; Close the control view (only experts can), but the flight will continue. F key: for landing, I don't know what role it plays. Space bar: pause the flight, but don't exit. ESC key: exit.