vb how to determine whether a file is opened

vb 怎么判断一个文件是否被打开\vb 判断文件夹是否打开和文件夹内文件是否已打。_百度知道.files\fhHYTagNew.js
.............................\............................................................\iknow_base.css
.............................\............................................................\iknow_base.js
.............................\............................................................\logo-zhidao.gif
.............................\............................................................\my_ico.gif
.............................\............................................................\qb.css
.............................\............................................................\qb.js
.............................\............................................................\r6s1g2.gif
.............................\............................................................\tangram-1.3.3.js
.............................\............................................................\tangram-dialog.js
.............................\vb 判断文件夹是否打开和文件夹内文件是否已打。_百度知道.htm
.............................\...怎么判断一个文件是否被打开_百度知道.files\fhHYTagNew.js
.............................\............................................\id=PjfYnW63PjR&gp=402&time=nHnzn16dnjDzP6.jpg
.............................\............................................\iknow_base.css
.............................\............................................\iknow_base.js
.............................\............................................\logo-zhidao.gif
.............................\............................................\my_ico.gif
.............................\............................................\qb.css
.............................\............................................\qb.js
.............................\............................................\r6s1g2.gif
.............................\............................................\tag_juejinNew.png
.............................\............................................\tangram-1.3.3.js
.............................\............................................\tangram-dialog.js
.............................\vb 怎么判断一个文件是否被打开_百度知道.htm
.............................\..如何判断e盘某个文件夹处于打开状态 最好给个实例 ，谢谢！！急求！！ 最好写出代码！！_百度知道.files\fhHYTagNew.js
.............................\...................................................................................................\iknow_base.css
.............................\...................................................................................................\iknow_base.js
.............................\...................................................................................................\logo-zhidao.gif
.............................\...................................................................................................\my_ico.gif
.............................\...................................................................................................\qb.css
.............................\...................................................................................................\qb.js
.............................\...................................................................................................\r6s1g2.gif
.............................\...................................................................................................\tangram-1.3.3.js
.............................\...................................................................................................\tangram-dialog.js
.............................\vb如何判断e盘某个文件夹处于打开状态 最好给个实例 ，谢谢！！急求！！ 最好写出代码！！_百度知道.htm
.............................\如何用vb判断文件是二进制还是文本？？？_百度知道.files\fhHYTagNew.js
.............................\.....................................................\iknow_base.css
.............................\..................

• We are an exchange download platform that only provides communication channels. The downloaded content comes from the internet. Except for download issues, please Google on your own.
• The downloaded content is provided for members to upload. If it unintentionally infringes on your copyright, please contact us.
• Please use Winrar for decompression tools
• If download fail, Try it againg or Feedback to us.
• If downloaded content did not match the introduction, Feedback to us，Confirm and will be refund.
• Before downloading, you can inquire through the uploaded person information

Nothing．