Delphi Firemonkey Frames – How to get the event OnEnter and OnExit of the usage of a frame


Using Delphi Tokyo and FireMonkey:
I have a lot of different frames on a form and would like to set some form-level variables as the focus on the form changes in and out of the different frames.
Ex. I have a Insert button on the form and want to enable it if the frame the user is in allows inserts and then again disable it upon leaving the frame’s focus.
There are OnEnter and OnExit events on the frame, but they never execute.
Obviously there are edits etc. on the frames.

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