Book Image

Expert Delphi

By : Paweł Głowacki
Book Image

Expert Delphi

By: Paweł Głowacki

Overview of this book

Delphi is the most powerful Object Pascal IDE and component library for cross-platform native app development. It enables building natively compiled, blazingly fast apps for all major platforms including Android, iOS, Windows, Mac, and Linux. If you want to build server-side applications, create web services, and have clear GUIs for your project, then this book is for you. The book begins with a basic primer on Delphi helping you get accustomed to the IDE and the Object Pascal language and will then quickly move on to advanced-level concepts. Through this book, we’ll help you understand the architecture of applications and will teach you the important concepts of the FireMonkey library, show you how to build server-side services, and enable you to interact with the Internet of Things. Towards the end, you will learn to integrate your app with various web services and deploy them. By the end of the book, you will be able to build powerful, cross-platform, native apps for iOS and Android with a single code base.
Table of Contents (14 chapters)

Using frames

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 a form with different controls for storing contact data. Our contact can have a home and office address. We can simplify our form and make...