How to set attributes to folder with C#

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Can anyone help me about this problem ? I have try DirectoryInfo to set attributes to folder.

DirectoryInfo dir=new DirectoryInfo(path)
dir.Attributes=File.Attributes.ReadOnly

But it work only with emty folder. How would i do ????
( Sorry for my bad english)

Posted 29-Jul-10 2:36am

ngocthanhcr

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E.F. Nijboer · Accepted Answer · 2010-07-29T02:47:00

Solution 1

You have to OR it into it like this:

C#

var di = new DirectoryInfo("SomeFolder");
di.Attributes |= FileAttributes.ReadOnly;

Good luck!

Posted 29-Jul-10 2:47am

E.F. Nijboer

v2

Comments

ngocthanhcr 29-Jul-10 9:50am

Thanks. It's work perfectly. But may I ask some question ?
I try to show the folder i have set attributes to " hidden " by window explorer ( I set folder option " Show hidden Folder and Files") but window explorer did not show the folder. After that, I use total commander , and i can see it. Can you explain to me why ?

E.F. Nijboer 29-Jul-10 13:18pm

Maybe it's a system file? There is a different option for that in explorer. The other option is that you have explorer already open, run your program and change the attribute but needed to press F5 to refresh explorer and see the change.

ngocthanhcr 30-Jul-10 6:27am

Thanks a lot for your answer

E.F. Nijboer 30-Jul-10 7:52am

Just for the record... which of the two was the reason for the file not showing? :)