https://forum.qt.io/topic/17312/how-do-you-get-access-to-widgets-in-a-qdialog-created-in-qtdesigner
How do you get access to widgets in a QDialog created in QtDesigner? | Qt Forum
Sep 20, 2013 - I'm showing a QDialog that I created in QtDesigner. How do I get access to the widgets that were added to it so that after the user closes it I can check its...
how do you
https://doc.qt.io/qtforpython-6/PySide6/QtDesigner/QDesignerContainerExtension.html
PySide6.QtDesigner.QDesignerContainerExtension - Qt for Python
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