Oct-10-2016, 06:34 PM
(Oct-10-2016, 04:53 PM)dullboy Wrote: I am not sure if you really know the answer.
You are getting hung up on something that doesn't matter at all to you using this library.
The callback is passed the ctx object, an Options object, and a boolean value. The boolean value is True or False depending on whether the flag for that option is present.
Add some print lines in the callback and print out the passed arguments...