C++CLI Primer For .NET Development

84 Pages·2017·8.394 MB·English

by  Vivek Ragunathan

C++/CLI Primer
For .NET Development
—
Vivek Ragunathan
C++/CLI PRIMER
FOR .NET DEVELOPMENT
Vivek Ragunathan
C++/CLI Primer: For .NET Development
Vivek Ragunathan
San Jose, USA
ISBN-13 (pbk): 978-1-4842-2366-6 ISBN-13 (electronic): 978-1-4842-2367-3
DOI 10.1007/978-1-4842-2367-3
Library of Congress Control Number: 2016959666
Copyright © 2016 by Vivek Ragunathan
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Technical Reviewer: Rohan Walia
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Printed on acid-free paper
To my wife, Neelima.
Contents
About the Author. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .vii
About the Technical Reviewer. . . . . . . . . . . . . . . . . . . . . . ix
Chapter 1: Introduction .....................................................1
Chapter 2: Words of Agreement .......................................3
Chapter 3: Unmanaged Programming Brief ...................5
Chapter 4: Managed Programming Brief .........................7
Chapter 5: W hat Is C++\CLI? ............................................9
Chapter 6: Ty pes and Object Creation ...........................11
Chapter 7: Primitive Ty pes Mapping ...............................13
Chapter 8: User-Def ined Value Types ..............................17
Chapter 9: Reference Ty pes .............................................19
Chapter 10: Garbage Collection Intro ..............................21
Chapter 11: Declaring and Consuming a
Managed Class ...............................................23
Chapter 12: Boxing/Unboxing ...........................................27
Chapter 13: Object Destruction .......................................31
Chapter 14: Scope of a Managed Object ..........................39
Chapter 15: Mixed Mode ....................................................41
Chapter 16: Equality and Identity .....................................45
Chapter 17: Abstract Classes ............................................47
vi Contents
Chapter 18: Nullptr ............................................................49
Chapter 19: Declaring Properties .....................................51
Chapter 20: Strings .............................................................57
Chapter 21: Arrays—Not [] But cli::array<T^> ...............61
Chapter 22: A Second Look at GC ...................................65
Chapter 23: Generics .........................................................71
Chapter 24: The Beginning ................................................79
Index .....................................................................................81
About the Author
Vivek Ragunathan is a technology architect with exten-
sive experience in architecting, re-architecting, designing, and
implementing large-scale back-end/web applications. He calls
himself language agnostic, polyglot, linguist, and linguaphile. He
loves playing with different programming languages and is par-
ticularly interested in experimenting in how a language yields
itself in solving a given problem succinctly and elegantly. He
is skillful in object-oriented design, programming, and meth-
odologies and thoughtfully borrows and applies functional
programming concepts. Apart from programming, he loves
writing, photography (digital but not manipulated).
Vivek writes about programming on his blog A Developer’s
Experience (http://vivekragunathan.wordpress.com).
About the
Technical
Reviewer
Rohan Walia is a senior soft-
ware consultant with exten-
sive experience in client/server,
web-based, and enterprise
application development. He
is an Oracle Certified ADF
(Application Development
Framework) Implementation
Specialist and a Sun Certified
Java Programmer. Rohan is
responsible for designing and
developing end-to-end appli-
cations consisting of vari-
ous cutting-edge frameworks
and utilities. His areas of expertise are Oracle ADF, Oracle
WebCenter, Fusion, Spring, Hibernate, and Java/J2EE. When
he’s not working, Rohan loves to play tennis, hike, and travel.
Rohan would like to thank his wife, Deepika Walia, for using
all her experience and expertise when reviewing this book.
C H A P T E R
1
Introduction
C++/CLI is unattractive, clumsy, and hard when compared to
other modern programming languages that run on the .NET
platform. That’s because it is powerful. Like light that can be
viewed as a wave or particle, C++/CLI can be exercised as an
unmanaged or managed language or actually as a sandwich
language to do mixed-mode programming, which is its real
power. That’s also why it is unique.
In this book, I present some of the important aspects of the
C++/ CLI language that usually pose a barrier to program-
mers new to the language. I believe that this book will guide
you through that barrier. Beyond that barrier lies a world of
hard-core programming on the .NET platform.
This book is not an extensive guide to master the C ++\CLI
programming language ; rather, it is quick start learning mate-
rial that offers an easier way for an unmanaged C++ pro-
grammer to enter the world of managed programming, still
sticking to C++. The book should be helpful also for a C#, or
VB.NET, or a pure managed programmer too to program in
C++\CLI where the two programming worlds merge to offer
the most powerful programming environment.
© Vivek Ragunathan 2016
V. Ragunathan, C++/CLI Primer, DOI 10.1007/978-1-4842-2367-3_1
2 Chapter 1 | Introduction
In the book, I focus on highlighting features that distinguish
C++/CLI from C++ and other managed languages in general.
In that regard, I aim this book at programmers who have rea-
sonable experience programming in C++ or one of the other
unmanaged languages. This book is not appropriate for people
beginning to program; nor is C++/CLI, for that matter.
I hope what you learn from this book proves to be useful in
your everyday programming life.
Comparisons of C++\CLI with C# or other . NET languages
have not been made often, but if they are made, they are not
to win arguments but to show the differences and to under-
stand and appreciate gotchas and subtleties. There are abso-
lutely no references in this book to the obsolete Managed
Extensions for C++.
So let’s jump right in!!!