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Using the Resources Editor

From: Visual Studio 2010 Essential Training

Video: Using the Resources Editor

In Visual Studio, you can think of resources in a couple of categories. You can have binary files, like a JPEG, or you can have localized items stored in Resx files. In this movie, I'll look at binary resources. I am inside a solution called ResourcesDemo. I'm going to look at the code inside ResourcesDemo project. Here is the problem that we're trying to solve. I have these two files, which I would like to embed inside my executable. By embedding them inside my executable, they cannot be separated from this exe.

Using the Resources Editor

In Visual Studio, you can think of resources in a couple of categories. You can have binary files, like a JPEG, or you can have localized items stored in Resx files. In this movie, I'll look at binary resources. I am inside a solution called ResourcesDemo. I'm going to look at the code inside ResourcesDemo project. Here is the problem that we're trying to solve. I have these two files, which I would like to embed inside my executable. By embedding them inside my executable, they cannot be separated from this exe.

My users cannot delete them. The downside to this approach is that I increase the size of my executable file. They're easy to embed; all I need to do is set this Build Action to Embedded Resource for both of these files. Let me show you the contents of these files. Double-click on Curls.png. It's a 615 x 386 pixel picture. Then SherlockHolmesQuotes file is just a simple text file. When I compile my application, and go look at my output folder, I'll do that by clicking on Show All Files, and then opening this bin folder.

There is my ResourcesDemo.exe file. As you can see in the bin folder, I do not have copies of Curls.png or SherlockHolmes. They are embedded inside this file. Now to retrieve them in my code, I have to know the secret string path to the items. Let me show you how to do this. I'll switch over to my code behind by double-clicking on Program.cs, and then we'll scroll down here and look at this first line of code. The key right here, or the secret, is right here: the name of my project, the name of the subfolder--in this case AddResources--and then the name of the binary file SherlockHolmes.txt.

The rest of the code is just getting the ExecutingAssembly, retrieving the stream using GetManifestResourceStream, and then creating a special StreamReader, and then reading the contents. Let me show you what this looks like. I have debugger code set up on line 18. So I'll press F5 to run the application. Then I'll press F11 to step through my code. We come down here, and we get the stream, the reader.

If I hover over this variable, now you can see the contents of that text file. Now, I can also do this with my image file by stepping into this section of code. Here I'm getting Curls.png. In order to get this as an image, I need to use a method on the Image class called FromStream. That'll take the binary stream and turn it back into an image, like this. Now let me hover over this variable and show you that it has a 386 height, 615 wide picture.

I can't show you the picture, because I'm in a console application. I've also got some other code down here you can investigate if you want. This is going and getting all of the resources in an array, and then I'm foreaching over that. Let me press F5 to show you the names of the strings of my embedded resources. Now to simplify your life, you can use Visual Studio to embed your resources instead. It will automatically generate a helper class to give you access to those items. Let me show you how that's done. I'm going to scroll down here to this VsResources project, right-click, and choose Set as StartUp Project.

Then I'm going to go into this Properties section. I'll double-click on Properties. I'll scroll down to the Resources section. You can see there is a hyperlink in here that says, "This project does not contain a default resources file. Click here to create one." I'll click as suggested. Now you'll see two things happened. I have a new editor show up, plus there is a new Resources.resx file created for me. I'm going to come over here and try to type in the name of our new resource.

This will be a string resource. Our slogan is "One for all." I can also add other types of resources like images and other items. I'm going to choose to add an existing item. So I'll go here and say Add Existing File. Next, I'm going to go to my Desktop, my Exercise Files folder, scroll down to the Assets section.

I'm going to load this BlueArrow.png file. Now, you can see the BlueArrow is added. This is the identifier I'm going to use to retrieve it in my code, BlueArrow. You will also notice that it added a Resources folder. It made a copy of that file over here. Also, if you scroll down and look inside this Resources.Designer.cs, you'll see that it wrote some assessor codes, so it makes it easy to find this resource. Let me show you that. I'll double-click here, and we're going to scroll down, and find this section.

Here is the way to retrieve my BlueArrow. It's going to return me a bitmap. This is going to return me a string. Here is how you use it in your code. We go to Program.cs. I'm going to uncomment this code by doing a Ctrl+K, Ctrl+U. There is a very simple way to access those items now. I can do VsResources, which is the name of my namespace, .Properties.Resources.

Notice what happen when I hit the period. I now have access to those resources. There is BlueArrow, and there is slogan. I'm going to choose BlueArrow. And I'll take this and copy it--or cut it I should say--and paste in here. This one is retrieving my slogan and storing it as a string. Now if you want, you can use the harder way of doing that by going to the ResourcesManager, getting a copy of that, and then using the string identifier to find the item.

But I think this is the preferred syntax. So let me comment these lines of code out Ctrl+K, Ctrl+C. Let's see if the code works. I'm going to go up here to copy this and paste it into my main method. Then I'll put a breakpoint on line 24 and press F5. Press F11 to step a few lines into my code. Yes, there is my slogan, and there is my image.

It's relatively easy to add these kinds of resources to Visual Studio using these tools. There is another type of resources that's very interesting. That's called the localized resource, and that's the topic for the next movie in this chapter.

Show transcript

This video is part of

Image for Visual Studio 2010 Essential Training
Visual Studio 2010 Essential Training

86 video lessons · 30512 viewers

Walt Ritscher
Author

 
Expand all | Collapse all
  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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