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Working with code snippets

Working with code snippets provides you with in-depth training on Developer. Taught by Walt Ritscher… Show More

Visual Studio 2010 Essential Training

with Walt Ritscher

Video: Working with code snippets

Working with code snippets provides you with in-depth training on Developer. Taught by Walt Ritscher as part of the Visual Studio 2010 Essential Training
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  1. 2m 3s
    1. Welcome
      1m 2s
    2. Using the exercise files
      1m 1s
  2. 7m 19s
    1. Understanding the Visual Studio versions
      3m 51s
    2. Setting up your developer computer
      3m 28s
  3. 58m 2s
    1. Creating a Visual Studio project
      4m 58s
    2. Working with Solution Explorer
      6m 32s
    3. Working with big projects
      3m 53s
    4. Taking a tour of the Integrated Developer Environment (IDE)
      8m 36s
    5. Introducing drag-and-drop UI design
      7m 38s
    6. Working with the Properties window
      6m 44s
    7. Looking at Server Explorer
      7m 4s
    8. Exploring the new Help engine
      6m 41s
    9. Setting options for the IDE
      5m 56s
  4. 39m 25s
    1. Creating a simple WPF application
      1m 32s
    2. Building the UI with the editors
      9m 14s
    3. Working with the application code
      3m 37s
    4. Communicating with the web site
      7m 15s
    5. Connecting your data
      8m 4s
    6. Binding to an RSS feed
      5m 4s
    7. Packaging and deploying the application
      4m 39s
  5. 39m 46s
    1. What languages are supported in Visual Studio 2010?
      1m 17s
    2. Exploring basic settings for the Code Editor
      5m 35s
    3. Writing a C# program
      6m 48s
    4. Writing a VB program
      6m 29s
    5. Working with C++
      6m 38s
    6. Working with F Sharp
      6m 9s
    7. Font and color options
      6m 50s
  6. 1h 5m
    1. Formatting your code
      6m 43s
    2. Navigating your code
      7m 44s
    3. Using the Task List
      2m 26s
    4. Commenting your code
      2m 45s
    5. Documenting your code
      8m 26s
    6. Using IntelliSense effectively
      7m 0s
    7. Working with code snippets
      6m 25s
    8. Refactoring your code
      5m 15s
    9. Understanding code generation
      2m 10s
    10. Generating code with T4
      6m 29s
    11. Using the Class View, Class Designer, and Class Diagram tools
      5m 51s
    12. Refactoring VB with CodeRush Xpress
      4m 33s
  7. 1h 11m
    1. Working with project and item templates
      8m 38s
    2. Creating a console application
      7m 5s
    3. Creating a class library
      6m 26s
    4. Creating a web site with ASP.NET
      7m 37s
    5. Creating a rich internet application with Silverlight
      6m 57s
    6. Creating a classic Windows application with Windows Forms
      10m 31s
    7. Creating a dramatic Windows application with Windows Presentation Foundation (WPF)
      4m 41s
    8. Creating a WCF service
      9m 1s
    9. Using an existing WCF service
      6m 38s
    10. Navigation UI designs with the Document Outline view
      3m 41s
  8. 33m 18s
    1. Creating a data project with SQL Project
      6m 24s
    2. Clarifying the confusion on .NET Data
      3m 31s
    3. Using ADO.NET in your application
      6m 50s
    4. Creating typed datasets
      7m 55s
    5. Using the data binding tools
      8m 38s
  9. 30m 13s
    1. Debugging code
      9m 32s
    2. Working with the Watch and other debug windows
      7m 46s
    3. Other debugging techniques
      6m 50s
    4. IntelliTrace historical debugging in Visual Studio Ultimate
      6m 5s
  10. 17m 56s
    1. Understanding Visual Studio editions and test tools
      2m 22s
    2. Verifying your code with unit tests
      8m 58s
    3. Running performance and load tests
      6m 36s
  11. 34m 5s
    1. Building your application
      4m 19s
    2. Customizing the build process with MSBuild
      6m 36s
    3. Setting assembly information
      2m 12s
    4. Deploying a basic Windows application
      2m 19s
    5. Creating an installer with Visual Studio
      7m 39s
    6. Creating a ClickOnce application
      5m 13s
    7. Setting up IIS for deploy
      2m 9s
    8. Deploying a Silverlight or ASP.NET application
      3m 38s
  12. 14m 0s
    1. Understanding source control
      2m 9s
    2. Setting up Team Foundation Server source control
      3m 5s
    3. Using Team Foundation Server source control
      8m 46s
  13. 17m 31s
    1. Understanding the .NET Office integration
      4m 16s
    2. Making a Word 2010 application
      7m 54s
    3. Making an Excel 2010 add-in
      5m 21s
  14. 31m 34s
    1. Understanding the extensibility model in Visual Studio
      2m 17s
    2. Adding external tools to the Tools menu
      4m 42s
    3. Creating macros
      7m 16s
    4. Using the Extension Manager
      5m 1s
    5. Creating an MEF add-in
      7m 9s
    6. Deploying and installing an add-in with VSIX
      5m 9s
  15. 25m 34s
    1. Working with configuration files
      5m 37s
    2. Using the Settings Editor
      7m 30s
    3. Using the Resources Editor
      6m 59s
    4. Localizing your resources
      5m 28s
  16. 1m 17s
    1. Goodbye
      1m 17s

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Working with code snippets
Video Duration: 6m 25s 8h 9m Intermediate


Working with code snippets provides you with in-depth training on Developer. Taught by Walt Ritscher as part of the Visual Studio 2010 Essential Training

View Course Description

In Visual Studio 2010 Essential Training, author Walt Ritscher demonstrates how to use Visual Studio 2010 Professional to develop full-featured applications targeting a variety of platforms. Starting with an overview of the integrated developer environment, the course covers working with code editors, navigating and formatting code, and deploying applications. Also included are tutorials on running performance and load tests, and debugging code. Exercise files accompany the course.

Topics include:
  • Creating a Visual Studio project
  • Building the user interface
  • Binding to an RSS feed
  • Coding with IntelliSense
  • Creating rich Internet applications with Silverlight
  • Building Windows applications with Windows Forms
  • Integrating with SQL Server
  • Working with Microsoft Office applications
  • Understanding extensibility in Visual Studio
  • Working with data, ADO.NET and datasets
  • Using source control
ASP.NET Silverlight Visual Studio

Working with code snippets

A few years back, Visual Studio introduced the idea of code snippets. Snippets are small sections of code that can be automatically generated and pasted into your code. They show up in IntelliSense and are customizable, so that you can modify the injected snippet. Let me show you how to use a C# snippet. I am inside Visual Studio, and I have opened this solution called UsingCodeSnippets. I have two projects in here: a C# project and a Vb project. I'll start by opening this Program.cs file, and then I'll add my first snippet. I will start by typing in the word "if".

Now if you look in my IntelliSense dropdown, you will see the word "if" and to the immediate left of it is a symbol that looks like a piece of paper with some writing on it. That is the symbol for a code snippet. Now if I press the Tab key twice, once will dismiss that dialog, and the second time I press Tab, it stubs in the code snippet. In my case, you see it wrote a little bit of code on the line and also wrote two curly brackets for me. Some of the code snippets are much bigger than this. For my next snippet, I am going to use a for snippet.

It's going to be slightly larger than the if statement. I will type in "for" and then press the Tab key twice. Now what I want you to see here is that the letter I is in their three places, and notice how each one of them has some gray around it. So I am going to type in a new word for i. I am going to type in the word "counter". Now when I press the Tab key, it's going to move me to the next area, which is length. Also notice what happened to those i's. They turned into the word counter. So they are linked together. If I go back here and make a change and press the Tab key again, you see that it's constantly monitoring that first item and changing the other two items. That's very handy.

Next, I will show you an even larger one. This is a property for WPF. I am going to type in "prop dp". That's stands for dependency property. Now I will press Tab twice, and you can see it's stubbed in about eight or nine lines of code. Again, I've got these placeholders. So I can type in the word "Boolean" here or "bool", and then Tab, "IsReady", and you'll see that everywhere where it says MyPropertyProperty now, when I press the Tab key now, those change to say IsReadyProperty.

This property down here is changed to be Boolean, to match what I typed in up here. So did this one. Now those clever people over in the Visual Basic team, they are working really hard to simplify code entry. They have created about 200 snippets, which is more than the C# team did. So I am going to switch over to this Module1.vb file and show you how to add a snippet here. The trigger in Visual Basic is to type the question mark and then the Tab key. Now, I see several folders. Each one of these folders has lots of snippets in it.

I encourage you to explore these snippets. I only have time to show you one. So I'm going to go down here and show you some Office Development code snippets. I am going to open this one up and then choose Word and then Formatting, and here are some of the things I can put in if I'm doing some automation and adding items to the Word object model. Like I am going to choose this Highlight a Range, and you can see that it stubbed this piece in. So I encourage you to spend sometime looking at the vb snippets. I'd rather spend the time writing our own code snippets. To do that, I need to write some code, and I need to generate an xml file.

To make it easier, there is a free tool for you to use, called Snippet designer. I have already installed it on my machine. Let me show you where it is. I can go to Tools > Extension Manager, and there you can see that I have installed extensions. I have this one called Snippet Designer. You're not going to see this on your computer probably, unless you've already installed it. On your machine, you're going to want to click on the Online Gallery, which takes you out to a Microsoft web site and shows you all of the available extensions. I have a separate movie in this title that deals with adding your own extensions and using extensions.

Later in this course, there's a movie showing you how to write your own extensions and how to use these pre built extensions. For right now, just follow these instructions. Type the word "snippet" over here in the Online Gallery search engine, then pick snippet designer, and then you are going to click on a download. I don't have a download button, because I've already installed it, but you will have one. Click on that, and about 10 seconds later you will have Snippet Designer on your machine. Now you need to restart Visual Studio.

Once that's done, I can go find some code. I've got some C# code. So I am going to switch back to my Program.cs file, and I am going to uncomment these four lines of text, Ctrl+K, Ctrl+U for uncomment. Now I'm going to right-click on them and choose Export as Snippet, which will send them to that extension tool I just showed you. Here is that Snippet Designer. Now what I want to have happen when you enter this snippet is I want you to be able to type in a new value here and replace it on line two and on line three and on line five.

So what I do is I right-click on this and say Make Replacement. That puts a token in there called myList, and that tells snippet engine to use that replaceable syntax. So now I am ready. I am going to close this. It says, "Would you like to save the changes." I am going to say yes. I need to save this snippet file out in the location where Visual Studio looks for these snippets. That would be in Documents > Visual Studio 2010 > Code Snippets > C#, and of course, here's My Code Snippets folder.

I will open this one up and then click Save. For some reason, on this computer I keep getting this error dialog. I'm not sure if you are going to see it or not, but the snippet seems to work correctly. So I am going to click OK. Now in order for Visual Studio to load that snippet, I need to restart Visual Studio. Then I want to create a brand-new project. I am going to make sure it's a C# project. I am going to put it out in my movie folder. I'm in the chapter 05, in movie 7. And if I did everything correctly, I should be able to use my code snippet. Right-click. Choose Insert Snippet.

There's my Code Snippets Folder, there's my Snippet File number1, and there's my list. Then again, if I did everything correctly, I should be able to type in a new name here, fileNames, and press the Tab key. The Tab key is not working for me. How about if I just clicked down here? That worked. That is Awesome! Look at that! The file name changed in all four places. So as you have seen, code snippets are incredibly useful, and they are so easy to create. Have fun exploring and see what you can do with code snippets.

Find answers to the most frequently asked questions about Visual Studio 2010 Essential Training .

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Q: Which edition of Visual Studio 2010 do I need to follow along in this course?
A: The course is taught with Visual Studio 2010 Professional, but can also be used with the Premium or Ultimate editions. The Express editions of Visual Studio, including Visual Basic 2010 Express, Visual C# 2010 Express, and Visual C++ Express, are not covered in this course.
Q: I'm attempting to download the exercise files for this course, and my virus protection is blocking me from unzipping the downloaded file. Are the files corrupted?
A: The alert is a false-positive message. Your antivirus software is detecting the active code included in the exercise files, which in some ways resembles viral code. There is nothing to be alarmed about and you can ignore the warning. This is common among coding courses and environments.





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