This book is intended for professional software developers in the Delphi environment and is written by two recognized experts in the field. The text of the book includes the source code of many excellent examples of workable applications on all topics discussed, including examples of desktop applications, multi-level and Web-oriented applications. Each example is commented in detail, which makes this book an excellent textbook that allows you to quickly master the creation of a variety of effective applications. This book describes the strategy for creating custom applications, dynamic libraries, threading, custom components, and more.