Re - Excel Loading Multiple Instances to Trigger Events amidst
Switching-from-One-to-Another

01. To begin with, load 2 instances of Excel.
02. Open WorkBook1 in the first instance of Excel ; then WorkBook2, in
the second instance of Excel.
03. To follow suit, switch from an instance of Excel to another.
04. Please delineate the Events that would be triggered by virtue of
Switching-from-One-to-Another instance of Excel.
05. Regards.