Installshield is great. What version are you using?

InstallShield 2.1x

a. Find the OCX file.
b. Add it to your project
c. Right Click on the object
d. Select Properties.
e. Click on self register check box.


InstallShield 3.5x (from memory)

a. Enter the area called "Merge Modules"
b. Add the MSCOMCTL2 merge module.