- About This eBook
- Title Page
- Copyright Page
- Contents at a Glance
- Table of Contents
- About the Authors
- Dedication
- Acknowledgments
- We Want to Hear from You!
- Reader Services
- Introduction
- Part I: Introducing Visual Studio 2015
- Chapter 1. A Quick Tour of Visual Studio 2015
- Chapter 2. The Visual Studio IDE
- Chapter 3. The .NET Languages
- What’s New in C# 6.0 and VB 14
- Language Primer
- Language Features
- Infer a Variable’s Data Type Based on Assignment
- Create an Object and Initialize Its Values (Object Initializers)
- Define a Collection and Initialize Its Values
- Creating an Instance of a Nonexistent Class
- Add Methods to Existing Classes (Extension Methods)
- Add Business Logic to Generated Code (Partial Methods)
- Access and Query Data Using the .NET Languages
- Write Simple Unnamed Functions Within Your Code (Lambda Expressions)
- Splitting an Assembly Across Multiple Files
- Working with XML Directly Within Your Code (VB Only)
- Removing Unused Arguments from Event Handlers (VB Only)
- Creating an Automatically Implemented Property
- Dropping the Underscore in VB for Line Continuation
- Working with Dynamic Languages/Objects
- Covariance and Contravariance
- Asynchronous Programming
- The .NET Framework
- Summary
- Part II: An In-Depth Look at the IDE
- Chapter 4. Solutions and Projects
- Chapter 5. Browsers and Explorers
- Chapter 6. Introducing the Editors and Designers
- Part III: Working with the Visual Studio Tools
- Chapter 7. Working with Visual Studio’s Productivity Aids
- Chapter 8. Testing Code
- Chapter 9. Refactoring Code
- Chapter 10. Debugging Code
- Chapter 11. Deploying Code
- Chapter 12. Developing Applications in the Cloud with Windows Azure
- Chapter 13. Working with Databases
- Part IV: Extending Visual Studio
- Part V: Building Web Applications
- Chapter 17. Building Modern Websites with ASP.NET 5
- Chapter 18. Using JavaScript and Client-Side Frameworks
- Chapter 19. Building and Consuming Services with Web API and WCF
- Part VI: Building Windows Client Apps
- Chapter 20. Building Windows Forms Applications
- Chapter 21. Building WPF Applications
- Chapter 22. Developing Office Business Applications
- Part VII: Creating Mobile Apps
- Chapter 23. Developing Windows Store Applications
- Chapter 24. Creating Windows Phone Applications
- Chapter 25. Writing Cross-Platform Mobile Applications with Apache Cordova
- Index
- Code Snippets
IntelliSense
IntelliSense is the name applied to a collection of different coding aids surfaced within the text editor window. Its sole purpose is to help you, the developer, write a syntactically correct line of code quickly. In addition, it tries to provide enough guidance to help you write lines of code that are correct in context (that is, code that makes sense given the surrounding lines of code).
As you type within the text editor, IntelliSense is the behind-the-scenes agent responsible for providing a list of code fragments that match the characters you have already entered, highlighting/preselecting the one that makes the most sense given the surrounding context, and, if so commanded, automatically inserting that code fragment in-line. This saves you the time of looking up types and members in the reference documentation and saves time again by inserting code without your having to actually type the characters for that code.
We spend a lot of time in this section discussing IntelliSense in the context of editing code, but you should know that IntelliSense also works with other document types such as XML documents, HTML documents, and Extensible Stylesheet Language (XSL) files.
Tip
Attaching a schema to an XML document is beneficial from an IntelliSense perspective. The schema is used to further enhance the capabilities of the List Members function. (See the “List Members” section later in this chapter.)
Many discrete pieces to IntelliSense seamlessly work in conjunction with one another as you are writing code. You can trigger all these IntelliSense features directly from the Edit, IntelliSense menu or by pressing Ctrl+Space. Many of the features can be found as well on the text editor’s context menu or by right-clicking anywhere in the editor window. Let’s look at them one by one.
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