文件名称:FileState
介绍说明－－下载内容均来自于网络，请自行研究使用
判断文件是否正处于被占用状态，避免程序在处理占用文件时报错-To determine whether a file is under a state of being used and avoid procedure in the treatment of the file times wrong
(系统自动生成,下载前可以参看下载内容)
下载文件列表
判断文件是否被占用\Project1.dpr
..................\Project1.dproj
..................\Project1.dproj.local
..................\Project1.exe
..................\Project1.identcache
..................\Project1.res
..................\Unit2.dcu
..................\Unit2.dfm
..................\Unit2.pas
..................\__history\Unit2.pas.~1~
..................\__history
判断文件是否被占用