Can you update dependant items in form without clicking apply?

[WCrihfield]

Within an iLogic Global Form, is there any way to get items which are greyed out, because they are set to be 'enabled' by the previous item on that form, to become available (enabled or not grayed out anymore) when that enabling item is set to true (either with true/false combo box, or the check box), without clicking apply?

Would I need to use some sort of 'Event Watcher' code for when this form is launched, within the same rule that launches the form?  If so, would that event watcher need to be deleted again before the rule ends?

I am well aware of how local rule are triggered by Parameter changes, but if the parameter hasn't officially been changed yet, because I haven't clicked on Apply yet, how can i get that dependant to immediately become available when I change False to True, or check the check box?

[WCrihfield]

Is there any EventHandler or similar type code that will listen for and trigger when a Form is launched?

Or a While type statement that could be used while a specific Form is Open, that could include some sort of user Interaction event watcher that triggers when you click a check box or select an answer from a combo box, and updates the Form, so that Parameter change lines, which have the Enabling Parameter set to the item you just changed?

There's got to be some way some way to automate an Apply type command after you make changes within a Form.