Topics covered include intermediate language, performance, profiling, security, advanced Windows Forms, threading, and systems management using Windows Management Instrumentation (WMI). This book has been reviewed by developers at Microsoft, who have provided invaluable information about the CLR. The information contained in this book, which in many cases goes far beyond the available documentation, will enable you to write better, more robust, more responsive, better performing and, in some cases, more sophisticated applications. originally appeared under the title . The response from many readers was extremely enthusiastic, prompting us to release a second edition under the new title. This edition has been fully updated for .NET 1.1, and many of the explanations have been revised.