Delphi Programming Guide
Delphi Programmer 

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Part I - Foundations
  Chapter 1 Delphi 7 and Its IDE
  Chapter 2 The Delphi Programming Language
  Chapter 3 The Run-Time Library
  Chapter 4 Core Library classes
  Chapter 5 Visual Controls
  Chapter 6 Building the User Interface
  Chapter 7 Working with Forms
Part II - Delphi Object-Oriented Architectures
  Chapter 8 The Architecture of Delphi Applications
  Chapter 9 Writing Delphi Components
  Chapter 10 Libraries and Packages
  Chapter 11 Modeling and OOP Programming (with ModelMaker)
  Chapter 12 From COM to COM+
Part III - Delphi Database-Oriented Architectures
  Chapter 13 Delphi's Database Architecture
  Chapter 14 Client/Server with dbExpress
  Chapter 15 Working with ADO
  Chapter 16 Multitier DataSnap Applications
  Chapter 17 Writing Database Components
  Chapter 18 Reporting with Rave
Part IV - Delphi, the Internet, and a .NET Preview
  Chapter 19 Internet Programming: Sockets and Indy
  Chapter 20 Web Programming with WebBroker and WebSnap
  Chapter 21 Web Programming with IntraWeb
  Chapter 22 Using XML Technologies
  Chapter 23 Web Services and SOAP
  Chapter 24 The Microsoft .NET Architecture from the Delphi Perspective
  Chapter 25 Delphi for .NET Preview: The Language and the RTL
  Appendix A Extra Delphi Tools by the Author
  Appendix B Extra Delphi Tools from Other Sources
  Appendix C Free Companion Books on Delphi
  List of Figures    
  List of tables    
  List of Listings    
  List of Sidebars  

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Chapter 8: The Architecture of Delphi Applications


Although together we've built Delphi applications since the beginning of the book, we haven't focused on the structure and the architecture of an application built with Delphi's class libraries. For example, I haven't included much coverage about the global Application object, techniques for keeping tracks of forms you've created, the flow of messages in the system, and other such elements.

In Chapter 7, "Working with Forms," you saw how to create applications with multiple forms and dialog boxes. However, I haven't discussed how these forms can be related one to the other, how you can share similar features of forms, and how you can operate on multiple similar forms in a consistent way.

My ambitious goal in this chapter is to discuss all these topics. The chapter covers both basic and advanced techniques, including visual form inheritance, the use of frames, and MDI development, as well as the use of interfaces for building complex hierarchies of form classes.

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