How do I get values defined within my MouseCallBack function to be accessible to separate Functions, Objects & Modules that are part of larger application? e.g. I tried putting my MouseCallback function within an upper level function and tried to use Return to get the values I wanted. I also tried putting it within a Class. Both scenarios had Global variables defined for the values I needed but I am not able to get the values I need to pass later on to other functions or objects in the larger application.
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