I am shocked that nobody has pointed out that properties are bound ways of a descriptor course, Adam Donohue and NeilenMarais get at precisely this idea in their posts -- that getters and setters are features and may be used to: So your DataContext for "video_length_textbox" is set to itself, https://maxestatessector36a.school.blog/2025/06/13/ganga-realty-liv-89-modern-low-rise-living-in-the-heart-of-new-gurgaon/