说明：  在使用Magic CD/DVD Burner控件写个生成可引导启动的ISO时，碰到引导功能不正常，为了解决该控件的BUG，首先要解决引导文件在ISO的位置与读取方式，特此写了以下代码，方解决Magic CD/DVD Burner的问题。
(In the use of Magic CD/DVD Burner Controls generate write a guide to start the ISO encountered unusual guide features, in order to solve the control of the BUG, first of all to solve the guidance document in the ISO read mode and the location, and would like to write the following code, to solve the Magic CD/DVD Burner problem.)