获取输入框密码（Windows98下通过），会在SysTray上显示一双始终盯着鼠标的眼睛，能将密码复制到剪贴板的一个例子-Access to the password input box (Windows98 through), will be displayed on SysTray always a pair of eyes staring at the mouse, the password can be copied to the clipboard, an example of

利用钩子，定时锁住键盘和鼠标。强制电脑使用者停止使用电脑，以达到保护眼睛的目的-The use of hooks, timing lock the keyboard and mouse. Forced computer users to stop using the computer in order to achieve the purpose of eye protection