C++Builder 6开发者指南：Satya Sai Kolachina

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"Wordware.Cpp.Builder.6.Developers.Guide.eBook-LiB" 本书《Wordware.Cpp.Builder.6.Developers.Guide.eBook-LiB》由Satya Sai Kolachina撰写，是关于C++Builder 6开发的一本指南，面向希望深入学习C++编程和使用C++Builder 6工具的开发者。C++Builder 6是Borland Software Corporation（现为Embarcadero Technologies的一部分）推出的一款集成开发环境（IDE），专门用于C++编程，它提供了一个强大的可视化组件库和快速应用程序开发（RAD）平台。这本书旨在帮助读者掌握C++Builder 6的各个方面，包括但不限于： 1. **C++基础**：书中可能涵盖了C++语言的基本语法，如变量、数据类型、控制流、函数、类和对象等概念，为初学者提供了坚实的编程基础。 2. **C++Builder 6 IDE介绍**：详细介绍了IDE的界面、工程管理、代码编辑器、调试器等工具的使用，帮助开发者高效地编写和调试代码。 3. **VCL框架**：C++Builder 6使用Visual Component Library (VCL)作为其组件库，该库包含大量预构建的UI控件和功能，书中的内容可能会详细讲解如何利用VCL创建用户界面和实现各种功能。 4. **数据库编程**：C++Builder 6支持数据库连接，书中可能包括了如何使用ADO（ActiveX Data Objects）或其他数据库接口与各种数据库系统（如Oracle、MySQL等）进行交互的教程。 5. **网络与多线程**：由于标签提到了“Telecommunication systems”，书里可能涉及网络编程，包括TCP/IP通信、HTTP协议等。同时，多线程编程也是高级应用开发的重要部分，可能涵盖如何在C++Builder 6中创建和管理并发任务。 6. **错误处理和调试**：对于任何开发者来说，理解和处理程序错误至关重要。本书可能教导读者如何使用C++Builder 6的内置调试工具来定位和修复代码中的问题。 7. **性能优化**：书中可能包含了一些最佳实践和技巧，帮助开发者编写出运行效率更高的C++代码。 8. **附录和索引**：为了方便查找和参考，书中可能包含了详尽的引用文献和索引，方便读者查阅特定的技术信息。请注意，本书是英文版，因此对于中文读者来说，可能需要一定的英语阅读能力。同时，虽然出版年份为2003年，C++Builder 6已经有一些年代，但它的核心原理和C++语言的基础知识仍然具有相当的实用价值，适合初学者和有一定经验的开发者学习使用。

distributed architectures, including DataSnap, WebBroker, WebSnap,

BizSnap, CORBA, and TCP/IP. I also created a number of example pro

jects, which you may directly compile on your computer, either for learning

or for use in your own projects. Most of the source code for the examples is

presented in the book and provided on the companion CD. However, you

may need to have the Enterprise edition of C++Builder 6 to work on most

of the second part of the book, since it covers advanced topics.

For a couple of reasons, I did not present COM/ActiveX-related chapters

in this book. The main reason is that almost all the available books on

C++Builder present topics on COM-related technologies very well. In addi

tion, Microsoft itself is drifting its focus away from COM-related

technologies since they released the .NET framework, which would force

many organizations to reduce the intensity of their COM-based application

development. Slowly, many organizations will migrate their COM-based

solutions to .NET or other distributed architectures.

Chapter Overview

As mentioned earlier, the 12 chapters in this book are divided into two

parts. The first part contains chapters on topics related to Windows applica-

tion development and database development. The second part contains

chapters on topics related to the development of distributed objects and

applications. Extensive sample applications are provided throughout the

book, in all the chapters, for different programming scenarios. Let me now

present an overview of each of the chapters to familiarize you with the con-

tents of the book.

Chapter 1 serves as an introduction to programming in C++Builder 6

and an introduction to Windows programming with this tool. You will find

topics on familiarizing yourself (and navigating) with the tool, new features

added to the current release (C++Builder 6) compared to the previous

release, creating projects, types of applications that can be created with the

tool, compiling the projects, setting project options, installing third-party

components onto the Component Palette, and creating simple Windows

applications. The chapter is mainly focused on providing considerable

introduction for professionals who are considering C++Builder 6 as their

development platform.

In Chapter 2, I focus my attention on some advanced C++ program

ming concepts, such as templates, namespaces, casting, exception handling,

pointers, references, virtual methods, C++Builder keyword extensions to

the C++ language, and object construction sequence in a typical class hier

archy. I do not teach the C++ language itself, but I do discuss the

xiv

Introduction

importance of these advanced features in building efficient and enter

prise-class applications.

In Chapter 3, I present an in-depth discussion on the Visual Component

Library (VCL), which provides a rich set of components and run-time rou

tines to the developer. It is the VCL that makes C++Builder a distinct

platform from its competition and also adds strength to the core C++ lan

guage. The chapter presents VCL’s features, including the component

architecture, object persistence, visual and non-visual components, interact

ing with the VCL Application object and the system resources, such as the

screen, mouse, and clipboard, an in-depth discussion on the run-time type

information, the VCL forms and frames, and more. The chapter is aimed at

providing strong fundamentals in the VCL architecture and forms a founda

tion for the following chapters.

Chapter 4 is aimed at providing advanced VCL programming tech

niques. The enhanced features on Action Objects, action lists, and action

manager enable you to design action-based applications that automate your

task and minimize the programming need, since actions incorporate most of

the coding within themselves. Windows drag and drop is another advanced

feature discussed at length with full working projects. Then date and time

management and file and directory management are discussed in great

detail. Chapters 3 and 4 together are designed to raise your comfort level in

building Windows applications using the VCL.

Chapter 5 introduces the concepts of database programming, VCL’s

architecture that supports database development, the different database

architectures supported by VCL, data modules as containers of database

components, the Borland Database Engine (BDE), and the ADO compo

nent set to connect to databases using Microsoft’s ADO/OLE DB

technology.

Chapter 6 provides advanced database development techniques. In this

chapter, I discuss the new dbExpress framework from Borland, concepts of

unidirectional datasets, and the IBExpress component set to connect to

InterBase databases. I also present the data access components, client

dataset, dataset provider, and basics required for building client-server

applications. The discussion in this chapter forms a basis for future topics

on distributed object development.

Chapter 7 marks the beginning of the second part, which is dedicated to

a great extent to distributed object development. However, this chapter

completely focuses on WebBroker application development, an overview of

the HTTP protocol, building web applications using Borland’s traditional

WebBroker architecture, and different types of web applications including

Introduction

Apache web modules. I also present an in-depth discussion on the producer

and dispatcher components.

In Chapter 8, I focus completely on Borland’s new WebSnap architec

ture for building web applications. The topics in this chapter include web

page modules, web data modules, adapter components, content producers,

an overview of server-side scripting, and VCL script objects.

Chapter 9 is aimed at developing DataSnap applications. The topics dis

cussed in this chapter include what constitutes a DataSnap server module,

IAppServer—the interface implemented by a typical remote server module,

the threading model implemented by a server module, different ways a cli

ent can connect to the remote server, and implementing a web-based client

to a DataSnap server.

Chapter 10 presents you with the distribution object development using

the CORBA framework. The CORBA object model is discussed at length

and includes the Basic Object Adapter (BOA), the Portable Object Adapter

(POA), and other constituents of the framework. Though most of the dis-

cussion is generic in nature, Borland’s VisiBroker is the base CORBA

implementation to demonstrate the process with examples. The chapter also

presents a detailed discussion on the development of a custom client-server

model using simple TCP/IP sockets and finally presents a sample custom

FTP client application.

Chapter 11 focuses on the BizSnap architecture introduced by Borland

to implement SOAP-based web services. Initially, I present an overview of

XML terminology and concepts of web services, and then I discuss the pro-

cess of building web service (server) modules and web service clients using

C++Builder. You will notice that, as with any other technology, C++Builder

makes it very simple to build web services. I also discuss Borland’s exten

sion of the SOAP objects to DataSnap, thus creating SOAP-based

DataSnap server modules. This is a very cool approach to web-enable your

current DataSnap applications as web services.

Chapter 12, the last chapter in the book, provides a discussion on some

miscellaneous and advanced topics. In this, chapter I present three main

topics, including an overview of the Borland CLX (Component Library for

Cross-platform development) introduced in C++Builder 6, which enables

porting your Windows-based applications to Linux without pain. It includes

BaseCLX, which is common mostly across VCL and CLX frameworks. I

also present custom component development concepts and OLE objects and

OLE containers.

xvi

Introduction

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C++Builder 6开发者指南：Satya Sai Kolachina

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