How can I check if a file is being used by other application?

How can I check if a file is being used by other application?

References

Reference NO 1

http://stackoverflow.com/questions/876473/is-there-a-way-to-check-if-a-file-is-in-use

Reference NO 2

http://stackoverflow.com/questions/626058/file-used-by-another-process

Reference NO 3

http://superuser.com/questions/399659/how-can-i-identify-what-application-is-using-a-given-file

Reference NO 4

http://www.vbforums.com/showthread.php?661538-Check-if-a-file-is-being-used-by-another-process

Reference NO 5

http://bytes.com/topic/visual-basic-net/answers/389158-check-if-file-being-used-another-process

Reference NO 6

http://mail.python.org/pipermail/tutor/2004-November/033627.html

Reference NO 7

http://www.computerhope.com/issues/ch000714.htm

Reference NO 8

http://social.msdn.microsoft.com/Forums/vstudio/en-US/91041943-2df7-47db-bbae-ae2cd4047630/action?threadDisplayName=how-to-check-if-file-is-being-used-by-another-process