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Untitled-9 1 1/8/13 2:10 PM THE MICROSOFT JOURNAL FOR DEVELOPERS FEBRUARY 2013 VOL 28 NO 2 magazine JavaScript API for Offi ce.........................20 Exploring the New JavaScript API for Offi ce COLUMNS Stephen Oliver and Eric Schmidt ........................................20 CUTTING EDGE Essential Facebook Async Causality Chain Tracking Programming: Andrew Stasyuk ...............................................................32 The JavaScript SDK Dino Esposito, page 6 Building a Simple Comet Application WINDOWS WITH C++ in the Microsoft .NET Framework Creating Desktop Apps Derrick Lau .....................................................................42 with Visual C++ 2012 Kenny Kerr, page 12 Detecting Abnormal Data Using TEST RUN k-Means Clustering Naive Bayes Classifi cation with C# ............................................................. James McCaffrey 54 James McCaffrey, page 70 Taming the Event Stream: THE WORKING PROGRAMMER Fast Approximate Counting .NET Collections, Part 2: Michael Meijer ................................................................64 Working with C5 Ted Neward, page 76 MODERN APPS Create Windows Store Apps with HTML5 and JavaScript Rachel Appel, page 80 DIRECTX FACTOR Constructing Audio Oscillators for Windows 8 Charles Petzold, page 84 DON’T GET ME STARTED What’s Up, Doc? David Platt, page 88 Compatible with Microsoft® Visual Studio® 2012 At Your Fingertips Untitled-1 2 12/5/12 11:08 AM Download your free trial infragistics.com/ Infragistics Sales US 800 231 8588 • Europe +44 (0) 800 298 9055 • India +91 80 4151 8042 • APAC +61 3 9982 4545 Copyright 1996-2013 Infragistics, Inc. All rights reserved. Infragistics and NetAdvantage are registered trademarks of Infragistics, Inc. The Infragistics logo is a trademark of Infragistics, Inc. All other trademarks or registered trademarks are the respective property of their owners. Untitled-1 3 12/5/12 11:08 AM FEBRUARY 2013 VOLUME 28 NUMBER 2 magazine BJÖRN RETTIG Director MOHAMMAD AL-SABT Editorial Director/[email protected] PATRICK O’NEILL Site Manager MICHAEL DESMOND Editor in Chief/[email protected] DAVID RAMEL Technical Editor SHARON TERDEMAN Features Editor WENDY HERNANDEZ Group Managing Editor KATRINA CARRASCO Associate Managing Editor SCOTT SHULTZ Creative Director JOSHUA GOULD Art Director SENIOR CONTRIBUTING EDITOR Dr. James McCaffrey CONTRIBUTING EDITORS Rachel Appel, Dino Esposito, Kenny Kerr, Julie Lerman, Ted Neward, Charles Petzold, David S. Platt, Bruno Terkaly, Ricardo Villalobos Henry Allain President, Redmond Media Group Michele Imgrund Sr. Director of Marketing & Audience Engagement Tracy Cook Director of Online Marketing Irene Fincher Audience Development Manager ADVERTISING SALES: 818-674-3416/[email protected] Dan LaBianca Group Publisher Chris Kourtoglou Regional Sales Manager Danna Vedder Regional Sales Manager/Microsoft Account Manager Jenny Hernandez-Asandas Director, Print Production Serena Barnes Production Coordinator/[email protected] Neal Vitale President & Chief Executive Offi cer Richard Vitale Senior Vice President & Chief Financial Offi cer Michael J. Valenti Executive Vice President Christopher M. Coates Vice President, Finance & Administration Erik A. Lindgren Vice President, Information Technology & Application Development David F. Myers Vice President, Event Operations Jeffrey S. 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Printed in the USA Untitled-13 1 1/7/13 12:56 PM EDITOR’S NOTE MICHAEL DESMOND Inside Modern Apps This month MSDN Magazine welcomes Rachel Appel and her writing back-end enterprise applications in COBOL. She struck Modern Apps column. Readers of the magazine and Web site might out on her own as an independent consultant, trainer and mentor, be familiar with Appel’s work. She wrote the popular Web Dev earning MVP recognition from Microsoft , before joining Microsoft Report column on the MSDN Magazine Web site up until Sep- as a technical evangelist. Today, she spends a great deal of her time tember of last year. And she appeared in our Windows 8 Special giving talks at conferences, working with customers and blogging Edition, published in October, with a look at the unique aspects about development issues. of the Windows Store application lifecycle. When I asked Appel how a former COBOL programmer ends Th is month, Modern Apps debuts with a quick rundown of what up helping lead the charge on Windows Store app development, you need to get started with Windows Store app development, and she couldn’t resist a joke—“Th e short answer? It’s new and shiny”— explores the new features and capabilities that enable developers before providing a more serious response. to create powerful applications for Windows 8 and the Windows “I enjoy learning about new technologies and the latest in soft - Runtime. Going forward, you can expect Appel to dig deeper into ware development,” Appel says. “As a tech evangelist, being out in the Windows Store app dev experience. In the March issue, look the public allows me to see and work with all kinds of awesome for the column to explore the important topic of data access and ideas and code.” storage for Windows Store apps. She goes on to praise some of the built-in features of Windows 8, Appel’s column arrives a few short months aft er Bruno Terkaly including Search and Share contracts, the rich sensor platforms and and Ricardo Villalobos came on board as authors of the new the device APIs. “You can access it all through open, standard HTML5 Windows Azure Insider column. And just last month Charles and ES5 [ECMAScript 5] if you want, or you can use C#/Visual Petzold re-branded his column as DirectX Factor, refl ecting his Basic/C++ and XAML, as all languages have parity.” focus on the powerful DirectX development infrastructure in the In her community engagements, Appel says she sometimes fi elds Windows Runtime. questions about the Windows Runtime and its relationship to the The changes reflect the significant progress we’ve seen from Microsoft .NET Framework. Her message: Th e .NET Framework Microsoft in updating its developer infrastructure. Windows 8 is not going anywhere. and the Windows Runtime present a compelling target for an “Windows Runtime is not a .NET replacement. Rather, many of the incredibly broad range of software developers, and the new WinRT APIs are wrappers around classic .NET or Win32 libraries, columns from Appel and Petzold aim to empower those people— so those underlying frameworks are still available,” Appel says. “Yes,