>>Hi
>>
>>I'm creating a console app to pgp decrypt some files.
>>
>>This works but when I try and rename the second (and last) file that is decrypted I get an error file in use message.
>>
>>This is the code before I try and rename the file
>>
>>

>>if (fileexists)
>>            {
>>
>>                PGPDecrypt CES_ConCurDecrypt = new PGPDecrypt(CES_PGPEncryptedFile,
>>                                                 @PGPPrivateKeyFile,
>>                                                 PGPPassword,
>>                                                 @PGPOutPutPath,
>>                                                 @PGPPublicKeyFile);
>>
>>                FileStream CES_fs = File.Open(CES_PGPEncryptedFile, FileMode.Open);
>>
>>                CES_ConCurDecrypt.decrypt(CES_fs, @PGPOutPutPath);
>>
>>                CES_fs.Close();
>>
>>            }
>>

>>
>>How can I tell what has the output file still open .
>>
>>Thanks
>>
>>Update
>>
>> I solved my problem by add a stream.dispose() in the decryption routine but I'd still like to know in Visual Studio how can I tell what still had the file open ?
>
>I think you can only do it thru code (and only find the process responsible) : http://stackoverflow.com/questions/860656/using-c-how-does-one-figure-out-what-process-locked-a-file
>
>BTW - best practice is to use "using (stream.......)" which will take care of the dispose() for you (even if there's an exception in the block).

Thanks Viv. At the moment I'm dealing with a pointy headed person who might not let the bouncycastle dll onto his server.