How to get my program name in list of right click menu on any file

I have created a File/folder copy utility in C#.net. its working fine. problem 开发者_StackOverflowis that when i right click on folder than my program's name appear their and its also working fine. but when i right click on any file or group of files and folder. so tell me which and where i need to create a registry key through my program so i can do that.

Not sure I understand the question, but here are some links that might help:

Registering File Types:

How to associate a file extension to the current executable in C#

Filetype association with application (C#)

Windows Shell Integration:

Windows Shell Integration using .NET

http://www.codeproject.com/KB/cs/dateparser.aspx