prevent delete file

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hi every one .
if i need to protect file from been deleted even with administrator rights like some window's files
so how can i do that in c# ???
thank to all

Posted 20-Jan-11 21:33pm

dabbourabd

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justinonday 21-Jan-11 3:50am

create users give rights to users .
Also check every time deleting file whether login user have permission ...if condition false can't delete file .

2 solutions

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Espen Harlinn · Accepted Answer · 2011-01-20T21:55:00

Solution 1

Create a small service to keep it open at all times - set file share to ReadWrite:

http://msdn.microsoft.com/en-us/library/f20d7x6t.aspx[^]

http://msdn.microsoft.com/en-us/library/system.io.fileshare.aspx[^]

Not sure I would advice preventing admin from deleting a file though ...

Regards
Espen Harlinn

Posted 20-Jan-11 21:55pm

Espen Harlinn

Comments

JF2015 21-Jan-11 5:18am

Good idea.

Pravin Patil, Mumbai 21-Jan-11 5:32am

hi espen, Can we use FileSystemWatcher to achieve this...?

Espen Harlinn 21-Jan-11 6:38am

If you think about automatic "locking" of new files as they arrive/are created, then it might be used to choose which files to open.

**JF2015** · Accepted Answer · 2011-01-20T23:18:00

Solution 2

Have a look at Windows File Protection:
http://en.wikipedia.org/wiki/Windows_File_Protection[^]
http://support.microsoft.com/kb/222193/en-us[^]
You could mimick that behaviour by a service in the background that, like Espen said, locks the file or just overwrites the file with a backup in case the file was deleted.

Posted 20-Jan-11 23:18pm

JF2015

Comments

Espen Harlinn 21-Jan-11 6:39am

Useful addition (5+)