Simple problem

problem background:

suppose winzip is intalled on our system and when we right click on root
drive c:, d: etc. when select add to zip a exe file run.

problem:
same as it is i want a VC++ application suppose a dialog appear when i
click on “attach” option. so how the attach option can appear or added to
already menu list when i right click on Drive letter. before it develop
Virtual CD Driver. i want to add new option that should be appear just
with virtual CD devices. is there need to write dll or oa modify the
driver. i dont have any idea how i can do this.

thanks in advance

With Regard
Naushahi