List All Installed Applications On Local Machine by C#.NET

Hello
i wnat to retrive all insatalled softwares names(like plugins,which search engine is installed etc) thorugh my C#.Net windows application.
I was trynig to use the registry path "LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVe rsion\Uninstall" to retrive that informations.But i ma unable to use this registry path properly.
please help me to find a solution..

Or is there ay other way to retrive these information of local machine...

Please reply so that i can do this.

Thanks and regards

Sourav