delphi对windows高级编程的很多例子：delphi实现屏幕落雪效果，按键转汉字,模拟输入法程序，利用消息钩子屏蔽定时器，利用窗口过程钩子截获QQ账号，判断用户目前是否在操作电脑-the windows of many high-level programming examples : delphi screen snow effect keys to Chinese characters, analog input procedures, the use of news hook sh