Moving Components to a Superclass
Use
You can move attributes, methods and events of a class to their direct superclass.
Procedure
Open the class.
Make sure you are in Change mode.
Choose Utilities → Refactoring →Refactoring Assistant.
The Assistant is started in a separate window.
Select the component to be moved and move it to the name of the superclass using Drag & Drop.
You can move several components at one time with multiple selection.
Choose Save.
Result
The moved components are deleted in their original class and created in the superclass.