自己写一个函数 Rem 如果文件未被打开,则返回True,否则返回False Public Function FileAllowOpen End Public
Public Function FileAllowOpen(Filename as string)on error goto e open filename for input as #1 len = 1close #1fileallowopen=true exit sube:err.clear''为了防止因为文件不存在而造成读写错误 open filename for random as #1 len = 1 if lof(1) = 0 then fileallowopen=true else filenameopen=false close #1 End Public
Rem 如果文件未被打开,则返回True,否则返回False
Public Function FileAllowOpen
End Public
open filename for input as #1 len = 1close #1fileallowopen=true
exit sube:err.clear''为了防止因为文件不存在而造成读写错误
open filename for random as #1 len = 1
if lof(1) = 0 then fileallowopen=true else filenameopen=false
close #1
End Public