The inheritance is not limited to 1 level, for example if you have form a, form b and form c you can extend form b with a and c with b form c wil then have all the methods/variables/elements/properties of form a, b and c.
other options
Form inheritance is to extend a form with a other form this will give the original form all the methods/variables/elements/properties of the extending form.
The inheritance is not limited to 1 level, for example if you have form a, form b and form c you can extend form b with a and c with b form c wil then have all the methods/variables/elements/properties of form a, b and c.
other options
_super keyword
Limitations: Can only edit some types of properties inherited from a super form, not all. Can't alter any properties of elements or parts. Cannot insert new parts inbetween existing, only after existing parts
Inheritance and Security
Setting the super form on existing form (design or runtime): Parts( and elements?) defined on both child and super form: the super form parts are used