Certain combinations of controls can be reused easily with frames.
Developer productivity often relies on being able to reuse previous work. Delphi projects consist of forms, data modules, and source code units. If you have an existing unit, it can always be added to a new project. On a smaller scale there are occasions when it is desirable to reuse certain combinations of components. This is where frames come in. If you have a few controls working together that you would like to reuse multiple times in the same or multiple forms then you can use frames.
Frames cannot exist on their own. They always need to be embedded in a form. They can contain controls and code.
Let's consider address information. Imagine we are designing ...