>I have been using the Click Event whenever I want something to change in my forms.
>
>When should I be using the Click Event and the InteractiveChange Event and the ProgrammaticChange Event?
>
>Are there any hard and fast rules concerning these event?

There are no hard or fast rules. My preference is to use Click for CommandButtons and Interactive/ProgrammaticChange for Combo/ListBoxes and OptionGroups.