How to create .iss file to uninstall toolbar silently

Question

Hi...

        I am trying to uninstall toolbar (any - installed for IE) silently. So I get some of uninstalled silently easily using /qn

OR /S OR /Silently  options  followed by Uninstall String. But some toolbar still shows dialogue-boxes. When I searched

regarding this on net I found One of option of creating .iss file to store the sequence of Dialogues & its results...


         But  can anybody suggest me with example how can I create .iss file for uninstalling a toolbar silently then

How can I execute it through command prompt  ?

        Thanks in Advance......