说明：  Delphi源码，当文件被另一程序占用而无法删除，这个程序将罗列出占用此文件的进程，你可以选择解锁或删除该文件
(Delphi source code when the file is occupied by another program can not be deleted, this program will set out the process of occupying this file, you can choose to unlock or delete the file)