Open a folder in a window

Question

Hi

     I am doing project in c#.. Now i am trying to do following things..

After completing the downloading process a window should open that contains the downloaded folder..

If i right click the folder name context menu should open.. All these process i have done..

My Problem is, in context menu i have an option like "Open Location Window".. In this i have to

open the window where the downloaded folder resides..

I could not achieve this..

Can anybody help me?

with regards

Ila...