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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What's Next?

In this chapter, you have seen how to define various types of properties, how to add events, and how to define and override component methods. You have seen various examples of components, including simple changes to existing components, new graphical components, and, in the final section, a dialog box inside a component. While building these components, you have faced some new Windows programming challenges. In general, programmers often need to use the Windows API directly when writing new Delphi components.

Writing components is a handy technique for reusing software, but to make your components easier to use, you should integrate them as much as possible within the Delphi environment by writing property editors and component editors. You can also write many more extensions of the Delphi IDE, including custom wizards. I've built many Delphi extensions, some of which are discussed in Appendix A.

Chapter 10 focuses on Delphi DLLs. You have used DLLs in previous chapters, and it is time for a detailed discussion of their role and how to build them. I'll also further discuss the use of Delphi packages, which are a special type of DLL. To learn more about component development, refer to Chapter 17, which focuses specifically on data-aware controls and custom dataset components.

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