This book is the first of a two volume set that will provide .NET developers with a detailed annotated reference to the most common and useful parts of the .NET Framework Class Library. Also included are complete descriptions, methods, and diagrams. While the specs are available online, the annotations from the .NET Framework team have been written for this work, and are available nowhere else. These will be for .NET developers what Patrick Chan's Java Class Library books have been for Java developers. The complete spec is available in seven volumes from Microsoft Press, costing more than $385. We think ours will sell much better because: - We know how to publish specifications. Ours will have the thorough index and navigational tools that developers need. - We have the creators of the technology writing and promoting our book - Rather than cover in print all the arcane seldomly used parts, we are concentrating on the most used pieces of the spec - Ours has detailed annotations, descriptions, and code samples from the .NET Framework team which will be available nowhere else