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This book is intended for anyone building applications using the .NET Framework. It is meant to be a dictionary-style reference to the core types in the Framework.
The .NET Framework is huge. The amount of time that would be required limits our ability to cover the entire .NET Framework in the depth it deserves. As a result, we have focused the scope of this book on the most important, widely used types in the Framework. Luckily, such a subset was already created in the standardization process of the Common Language Runtime and the C# Programming Language. This book covers the second half of that subset (Volume 1 covered the first half). In the printed portion of this volume you will find all the type-level information for these types. Both the type-level information and member-level information are available in electronic form on the CD.
To make the standard more accessible, this book includes the following features:
These features not only bring the standard to life, but more importantly, they serve as a convenient, informative reference to the most used types in the .NET Framework.The Standard
At the Professional Developers Conference in October 2001, Microsoft, in partnership with HP and Intel, began the ECMA standardization process of three core parts of its new developer platform: the Common Language Infrastructure (CLI), the C# programming language, and a subset of the .NET Framework that is included in the CLI and referenced in the C# specification.
The CLI and the C# programming language are covered in other books in this series. Jim Miller and Susann Ragsdales The Common Language Infrastructure Annotated Standard (Addison-Wesley, 2004) covers the CLI, which includes the metadata file format, IL Instruction set, and the type system. The C# Programming Language (Addison-Wesley, 2004) by Anders Hejlsberg, Scott Wiltamuth, and Peter Golde covers the C# programming language specification.
This book covers the second half of the .NET Framework as standardized in ECMA 335 and ISO 23271. The standards break the .NET Framework into seven different libraries to allow conformant implementations in resource-constrained environments. Those libraries are as follows:
Base Class LibraryA simple runtime library for modern programming languages. It serves as the standard for the runtime library for the language C#, as well as one of the CLI standard libraries. It provides types to represent the built-in data types of the CLI, simple file access, custom attributes, security attributes, string manipulation, formatting, streams, collections, and so forth.
Extended Numerics LibraryProvides the support for floating-point (System.Single, System.Double) and extended-precision (System.Decimal) data types. Like the Base Class Library, this library is directly referenced by the C# standard.
Network LibraryProvides simple networking services, including direct access to network ports and HTTP support.
Reflection LibraryProvides the ability to examine the structure of types, create instances of types, and invoke methods on types, all based on a description of the type.
XML LibraryProvides a simple pull-style parser for XML. It is designed for resource-constrained devices, yet provides a simple user model.
Runtime Infrastructure LibraryProvides the services needed by a compiler to target the CLI and the facilities needed to dynamically load types from a stream in the file format specified. For example, it provides System.BadImageFormatException, which is thrown when a stream that does not have the correct format is loaded.
Extended Array LibraryProvides support for non-vector arrays, that is, arrays that have more than one dimension and arrays that have non-zero lower bounds.
The first volume of the .NET Framework Standard Library Reference covered the Base Class Library, the Extended Numerics Library and the Extended Array Library. This volume will contain the remaining libraries, as well as Microsoft-specific members on those types.Namespace Overviews
To facilitate reader understanding, for each namespace we cover we provide an overview that describes the functionality and the inheritance hierarchy of types defined in that namespace. At the end of the namespace overview section we include a complete inheritance hierarchy for all the types covered in this volume. In the diagrams we differentiate the various kinds of types that make up the framework.Type Chapters
Types are described in their own chapters, which are organized alphabetically by type name.
The header contains the namespace name, the type name, and the library name from the ECMA\ISO Standard.
Under the header we include a diagram representing the full inheritance hierarchy for this type, subclasses of this type found in this volume, and any interfaces they implement. The type being described is shown with a gray background .
This section contains the C# declaration syntax for all members defined on this type. It is meant to provide a quick reference in a very familiar format to what is in the type. In this summary we highlight certain attributes of these members.
CF Indicates the member is not available in the .NET Compact Framework. If not included the member is available.
MS Indicates that the member is not included in the ECMA\ISO standard.
1.1 Indicates that the member is new in V1.1 of the .NET Framework.
This section contains a detailed description of how this type is to be used. For the most part this text is taken directly from the standard.
Throughout this section we provide annotations from key members of the design team at Microsoft and members of the ECMA standardization committee. The comments in this section vary widely, and include notes on everything from common issues to the history of the class design or standardization process to areas where, in retrospect, the designers feel they could have done better.
Heres an example of an annotation from Brad Abrams on the AppDomain class. Each annotation is attributed to individuals by their initials.BA
In this section we provide sample code illustrating use of the type. Some samples are from the standard, but we added many more to facilitate a deeper and quicker understanding of the use of the type. All the samples we provide are fully compilable programs and include selected output .
All of these samples have been tested with V1.0 and V1.1 of the .NET Framework and the appropriate ones have been tested on the .NET Compact Framework.
Complete source code for the samples is available on the CD that is included in the back of the book.
The detailed descriptions of the members are included in the electronic version of the book on the CD. To facilitate easy look-ups, the member descriptions appear in the same order as the type summary sections. Each member contains some or all of the following fields:
SyntaxC# declaration syntax is provided for familiar reference. ILASM syntax is provided for completeness.
SummaryShort description of the members purpose.
ParametersTable of parameters accepted by this member and their meaning.
DescriptionA complete description of this member.
Return ValueThe value and range returned by this method.
Property ValueThe value of this property.
ExceptionsTable of the common exceptions thrown by this member.
PermissionsTable of the code access permissions demanded by this method.
ExampleAn example using this member following the same pattern as the type samples.
Courier is used for all source code blocks, including syntax declarations, class names, and member names.
In order to aid readability, the namespace portion of the fully qualified type names were removed when the result was unambigous. The following guidelines were used:
In addition to including the content from the ISO CLI standard, this book includes a number of other features:
Many people contributed to making this book possible. We would like to thank:
Lead Program Manager, .NET Framework Team
This is a complete, authoritative, and truly useful reference for every .NET developer. It covers every aspect of .NET Framework library by providing concise descriptions with just the right number of examples. I would not start development of any significant .NET project without having this book on my bookshelf.
Max Loukianov, Vice President of Research and Development, Netpise Inc.
The .NET Framework Standard Library Annotated Reference is the one reference you really need when you use the .NET Framework library. The annotations provide clear insight into the design choices that the library development team made when building the library. Those explanations will guide you to the best design choices for your own application code.
Bill Wagner, Founder/Consultant, SRT Solutions, and author of Effective C#
More than just a reference, this book provides great insight into the massive amount of thought that went into designing the Microsoft .NET Framework. It is both entertaining and educational, combining interesting and sometimes amusing annotations along with the reference material.
Jordan Matthiesen, Software Engineer
Brad Abrams, Tamara Abrams, and the CLR team take readers on a journey through the backstreets of the .NET Framework, pointing out invaluable design decisions and performance best practices along the way. Not to be missed by any developer who has ever wondered why the Framework is designed the way it is.
William D. Bartholomew, Senior Software Architect, Orli-TECH Pty Ltd
This volume provides an in-depth review for every class method listed, including a CD with many examples of usage. The most valuable aspect of this book is the annotations provided; the annotators thoughts about the design of the .NET Framework lets the reader develop a crystal-clear understanding of what can be accomplished with this fantastic technology.
Bradley Snobar, Software Engineer
The utility of a reference book is often a function of how easily you can find a desired subject and, once there, how clearly is it explained. On both counts, you should find that this book stands well.
Dr. Wes Boudville, Inventor
The .NET Framework Standard Library Annotated Reference, Volume 2, completes the definitive reference to the .NET Framework base class library. This book-and-CD set offers programmers unparalleled insight into the ECMA and ISO specifications for the classes and members, while also explaining why they were designed as they were and demonstrating how to use them. This volume covers the Networking, Reflection, and XML libraries, complementing Volume 1s coverage of the Base Class and Extended Numerics libraries.
The printed book contains high-level descriptions of each namespace, plus detailed descriptions and samples of each type, including annotations, inheritance diagrams, and a listing of members.
The accompanying CD contains a vastly expanded version of the books text that includes detailed descriptions of each member and samples for most membersalmost two thousand searchable pages of immediately useful reference material, plus a full source-code archive.
With the ECMA and ISO standards as its core, the combined book and CD include