To get the most out of this book

• To follow the examples in this book, you will need Visual Studio 2015 Community Edition or later. You will also need a working internet connection and a subscription to Microsoft Azure; a trial subscriptions is OK too.
• To get the full experience of the examples, you should have access to a web camera and have speakers and a microphone connected to the computer; however, neither is mandatory.

Download the example code files

You can download the example code files for this book from your account at http://www.packtpub.com. If you purchased this book elsewhere, you can visit http://www.packtpub.com/support and register to have the files emailed directly to you.

You can download the code files by following these steps:

1. Log in or register at http://www.packtpub.com.
2. Select the SUPPORT tab.
3. Click on Code Downloads & Errata.
4. Enter the name of the book in the Search box and follow the on-screen instructions.

Once the file is downloaded, please make sure that you unzip or extract the folder using the latest version of:

• WinRAR / 7-Zip for Windows
• Zipeg / iZip / UnRarX for Mac
• 7-Zip / PeaZip for Linux

The code bundle for the book is also hosted on GitHub at https://github.com/PacktPublishing/Learning-Microsoft-Cognitive-Services-Third-Edition. We also have other code bundles from our rich catalog of books and videos available at https://github.com/PacktPublishing/. Check them out!

Download the color images

We also provide a PDF file that has color images of the screenshots/diagrams used in this book. You can download it here: https://www.packtpub.com/sites/default/files/downloads/9781789800616_ColorImages.pdf.

Conventions used

There are a number of text conventions used throughout this book.

CodeInText: Indicates code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles. For example; "This can be achieved when we put some content into the DelegateCommand.cs file."

A block of code is set as follows:

private string _filePath;
private IFaceServiceClient _faceServiceClient;

When we wish to draw your attention to a particular part of a code block, the relevant lines or items are set in bold:

private string _filePath;
private IFaceServiceClient _faceServiceClient;

Bold: Indicates a new term, an important word, or words that you see on the screen, for example, in menus or dialog boxes, also appear in the text like this. For example: "Open Visual Studio and select File | New | Project."

Note

Warnings or important notes appear in a box like this.

Tip

Tips and tricks appear like this.