I am unable to delete the destination file as it is used by another process

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after copying the file to another destination i want to delete the file from origin.
I am unable to do so as file is used by another process

File.Copy(FullPath, strErrorFile, true);
File.Delete(FullPath);

Posted 14-Jan-16 19:53pm

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Garth J Lancaster · Answer 1 · 2016-01-14T20:06:00

find out which process is using the file

Quote:
How to find out which handle or DLL is using a file
Open Process Explorer, running as administrator.
Enter the keyboard shortcut Ctrl+F. Altenatively, click the “Find” menu and select “Find a Handle or DLL”.
A search dialog box will open.
Type in the name of the locked file or other file of interest.

(there are other ways of doing that - Process Explorer from SysInternals *may* help)

if it's your own process, you may need a delay between the copy and delete or some other method of flushing/forcing your process to let go of the file

Sergey Alexandrovich Kryukov · Answer 2 · 2016-01-14T20:06:00

Solution 1

You will need to investigate what's going on. To do so, start with reading my past answer on this topic: how to compress the error 'it is already used by another process' in vb.net[^].

—SA

Posted 14-Jan-16 20:06pm

Sergey Alexandrovich Kryukov