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Silverlight 5 Essential Training

Creating an Out-of-Browser (OOB) application


From:

Silverlight 5 Essential Training

with Walt Ritscher

Video: Creating an Out-of-Browser (OOB) application

Up until very recently, there were two models for building applications. The desktop model is a familiar one: recreate an application that runs on Windows or the Mac OS. This application is installed locally and can exploit the rich services offered by the operating system. Then there is the web model. This model has rocketed to the top of the food chain in the last 10 years. Web apps are launched from the browser, run within the browser window, and are often limited in what they can do with the local computer. But more and more, we are seeing a blurring of the lines in web applications.
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  1. 1m 41s
    1. Welcome
      53s
    2. Using the exercise files
      48s
  2. 35m 0s
    1. Overview of Silverlight
      3m 29s
    2. Setting up a developer computer
      2m 46s
    3. Installing the Silverlight Toolkit
      2m 21s
    4. Exploring the toolkit samples
      2m 35s
    5. Using Visual Studio 2010 to create a Silverlight project
      5m 10s
    6. Using Expression Blend to create a Silverlight project
      3m 13s
    7. Getting to know the Visual Studio interface
      8m 15s
    8. Working in the Expression Blend interface
      7m 11s
  3. 29m 46s
    1. Understanding the Visual Studio project structure
      3m 38s
    2. Creating a Silverlight page
      3m 17s
    3. Compiling your first application
      5m 0s
    4. Using other assemblies in an application
      5m 45s
    5. Deploying a Silverlight application
      3m 43s
    6. Understanding the startup process for an application
      3m 13s
    7. Understanding how users get Silverlight on their computers
      5m 10s
  4. 16m 59s
    1. Exploring the relationship between XAML and .NET
      3m 57s
    2. Using C#
      7m 16s
    3. Exploring the code-behind file
      5m 46s
  5. 43m 22s
    1. Working with XAML elements and Property attributes
      4m 56s
    2. Investigating XAML namespaces
      7m 31s
    3. Converting XAML properties with TypeConverters
      5m 1s
    4. Working with Property elements
      4m 24s
    5. Assigning runtime data with XAML markup extensions
      4m 21s
    6. Digging into the dependency property system
      6m 12s
    7. Creating a custom dependency property
      4m 42s
    8. Understanding attached properties
      6m 15s
  6. 9m 35s
    1. Debugging your code
      5m 17s
    2. Special Silverlight debugging techniques
      4m 18s
  7. 36m 0s
    1. Understanding layout
      4m 55s
    2. Using DockPanel and WrapPanel
      4m 2s
    3. Exploring sophisticated layouts with the Grid
      6m 40s
    4. Absolute positioning with the Canvas panel
      5m 20s
    5. Scrolling content with the ScrollViewer
      3m 28s
    6. Adjusting content alignment, margins, and sizing
      5m 6s
    7. Using the TabControl
      2m 17s
    8. Manipulating elements with transforms
      4m 12s
  8. 20m 32s
    1. Painting the user interface (UI) with SolidColorBrush
      6m 7s
    2. Getting colorful with gradient brushes
      3m 15s
    3. Decorating elements with ImageBrush
      4m 56s
    4. Creating effects with VideoBrush
      6m 14s
  9. 25m 42s
    1. Understanding routed events
      3m 12s
    2. Wiring up event handlers in Silverlight
      6m 4s
    3. Understanding event bubbling
      4m 39s
    4. Exploring mouse events
      7m 43s
    5. Exploring keyboard events
      4m 4s
  10. 32m 31s
    1. Displaying text on the screen
      3m 24s
    2. Gathering text input from the user
      5m 30s
    3. Showing complex text with RichTextBox
      6m 7s
    4. Understanding text overflow and text linking
      3m 14s
    5. Searching content with the AutoComplete type-ahead control
      6m 45s
    6. Using and embedding Silverlight fonts
      7m 31s
  11. 26m 47s
    1. Understanding content controls
      5m 7s
    2. Understanding button controls
      6m 16s
    3. Using the BusyIndicator
      4m 40s
    4. Showing tooltips
      4m 34s
    5. Changing content size with ViewBox
      1m 39s
    6. Exploring more controls
      4m 31s
  12. 55m 36s
    1. Connecting elements with binding
      9m 54s
    2. Using business data in a binding
      9m 21s
    3. Listing data with ItemsControls
      6m 39s
    4. Digging into the DataGrid
      8m 28s
    5. Using the DataForm
      3m 49s
    6. Storing data on the client
      7m 10s
    7. Debugging XAML bindings
      5m 41s
    8. Charting data
      4m 34s
  13. 24m 36s
    1. Creating an Out-of-Browser (OOB) application
      6m 16s
    2. Controlling aspects of an OOB application
      2m 49s
    3. Alerting the user with notification windows
      7m 13s
    4. Hosting HTML content in Silverlight applications
      8m 18s
  14. 30m 2s
    1. Exploring Silverlight trust levels
      3m 51s
    2. Creating an elevated trust application
      5m 57s
    3. Reaping the benefits of XAP signing
      6m 5s
    4. Making cross-domain calls
      5m 1s
    5. Getting started with COM Interop using the Speech API
      4m 21s
    6. Using COM Interop to interact with Microsoft Office
      4m 47s
  15. 16m 33s
    1. Showing child windows
      3m 48s
    2. Using a child window as a dialog window
      5m 7s
    3. Creating native windows
      2m 53s
    4. Maximizing a window with full screen mode
      4m 45s
  16. 13m 20s
    1. Dynamically loading UI content with user controls
      4m 46s
    2. Using the Navigation Framework
      8m 34s
  17. 9m 28s
    1. Using resource files
      3m 53s
    2. Using images in an application
      5m 35s
  18. 16m 32s
    1. Playing audio
      4m 27s
    2. Playing sound effects
      5m 4s
    3. Viewing video content with MediaElement
      4m 58s
    4. Changing video playback speed with TrickPlay
      2m 3s
  19. 14m 40s
    1. Capturing video with a web camera
      4m 16s
    2. Working with a microphone
      3m 47s
    3. Creating print output
      6m 37s
  20. 22m 35s
    1. Understanding Silverlight animations
      4m 35s
    2. Creating animations
      7m 52s
    3. Controlling animations
      4m 18s
    4. Simulating physics with animation easings
      5m 50s
  21. 27m 47s
    1. Placing XAML resources within a FrameworkElement
      6m 47s
    2. Centralizing settings in styles
      4m 8s
    3. Creating an alternate control UI with ControlTemplates
      6m 29s
    4. Dressing up your data with DataTemplates
      4m 33s
    5. Explaining the VisualStateManager: a simple way to manage control states
      5m 50s
  22. 10m 55s
    1. Handling global errors in a Silverlight application
      5m 46s
    2. Showing an application loading screen
      5m 9s
  23. 10m 48s
    1. Integrating with XNA
      7m 40s
    2. Exploring data analysis with PivotViewer
      3m 8s
  24. 1m 6s
    1. Goodbye
      1m 6s

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Silverlight 5 Essential Training
8h 51m Beginner Mar 27, 2012

Viewers: in countries Watching now:

Microsoft Silverlight 5 is a rich application framework for creating high-performance, cross-platform desktop and mobile applications. In this course, author Walt Ritscher demonstrates how to build a variety of applications in Silverlight, with particular focus on building compelling business applications and delivering premium video and audio content. Developers will work with the C# programming language and Visual Studio Professional, as well as Expression Blend, a tool that simplifies creation of the interactive user interfaces expected in modern-day applications.

Topics include:
  • Installing the toolkit and setting up the development environment
  • Using Expression Blend vs. Visual Studio 2010
  • Creating a Silverlight page
  • Compiling an application
  • Exploring the relationship between XAML and .NET
  • Using C#
  • Working with XAML
  • Digging into the Dependency Property System
  • Deploying and debugging code
  • Creating sophisticated layouts with panel elements
  • Managing Visual State with Visual State Manager
  • Transforming the user interface (UI) with templates
  • Understanding the event model
  • Working with text
  • Using business data in a binding
  • Creating an out-of-browser (OOB) application
  • Exploring trust levels
  • Playing audio and video
  • Handling errors
  • Exploring animations
  • Working with application windows
  • Integration with XNA
Subject:
Developer
Software:
Silverlight Visual Studio
Author:
Walt Ritscher

Creating an Out-of-Browser (OOB) application

Up until very recently, there were two models for building applications. The desktop model is a familiar one: recreate an application that runs on Windows or the Mac OS. This application is installed locally and can exploit the rich services offered by the operating system. Then there is the web model. This model has rocketed to the top of the food chain in the last 10 years. Web apps are launched from the browser, run within the browser window, and are often limited in what they can do with the local computer. But more and more, we are seeing a blurring of the lines in web applications.

Adobe AIR is an example of a technology that allows apps to run in or out of the browser. And now of course, Silverlight supports the idea of an out-of- browser application. This is often referred to as an OOB app. So what are the benefits of using OOB? First, the application runs in its own window, not a browser window. And in Silverlight it is hosted in a process called SL Launcher. As you might guess from the name, an OOB application does not require an Internet connection.

The app launches locally and runs like any other local application. The application is automatically updatable, however. If an Internet connection is available, then the application checks with the server to see if the new version is available. If so, the new version is always automatically downloaded. The next time you run that application, it uses the new version. It's time to show you how to create your own out-of-browser Silverlight application. As you can see, I have Visual Studio 2010 opened on my desktop, and I have opened this project called CreatingOobApp.

When I run this application by pressing F5, it will launch a browser window and load my Silverlight application in that browser window. When I right-click on this, you will see a context menu that says Silverlight. This is not yet an OOB application. When I return back to Visual Studio, all I need to do to convert this to an OOB application is double-click on the Properties node in the Solution Explorer and then choose Enable running application out of the browser.

Now when I run the application, I no longer see a browser window and when I right-click on the application, I see a Remove this application. Now that seems odd that I see that Remove this application, but that's because the default setting in Visual Studio is to automatically install the application when I debug it. If I would rather see the install menu, I need to go back to Visual Studio, choose Debug, and uncheck this Out-of- browser application and instead choose Dynamically generate a test page.

Now let's run the application again to see what it looks like. It looks the same. If I right- click, I now see Install Creating OOB Application onto this computer. When you choose this option, you are asked if you'd like a shortcut on your Start menu and your Desktop. I think that's a great idea, so I'm going to choose both and then click OK. Now the application is running out of browser, and I also have, in my Start menu, a new shortcut for creating the OOB application.

If I click on this shortcut, it launches another instance of my out-of-browser application. So now I have two versions of the out-of-browser and one running inside my Firefox browser. When your user tires of your application, all they need to do is right-click and choose Remove this application. Now all traces of that application are gone from this machine. Alternatively, you can go to your Control panel, usually in the Programs and Features section, and choose to uninstall from there.

For more control over my application, what I can do is go into my Properties window, choose Silverlight, and then go into this Out-of-Browser Settings. Here I can change what the text is actually shown on the shortcut. Also, you might want to control how the user installs. Rather than having the user right- click, maybe you would like to put your own Install button in your application. Let me show you how to do that. I'm going to open this file called CheckOob.xaml.

And then I'm going to make it my start page by going to my App.xaml.cs file, double-click, and I'm going to edit line 29 here where it says I want to instantiate the MainPage. Now I want to instantiate the CheckOob page. Press F5 to run the application and here is our start page. Notice that it says, Is Network Available, is true. The Internet is available. And I am currently running this in the browser.

When I click on this button, I see the same install dialog we saw a few minutes ago, and now take a look at the difference in these screens. This says the Internet is available and it also says the app is running out of browser. So we can detect not only is the Internet connection available, but is the application running in or out of the browser? Let me show you how the code does that. Switching back to Visual Studio, opening up my CheckOob.xaml.cs file by double-clicking. And the installation code is simple.

It's one line of code down here at the bottom, Application.Current.Install. That's how simple it is to install an out-of-browser application. It's almost as simple to find out if the network is available. There is a function called GetIsNetworkAvailable, which I can call to find out if I'm on the Internet. This is important because if you are trying to call a service on the web, say to download a music file, you need to know if you're running out of browser and if the network is available for you to do that call.

I can also find out if I'm in the browser by checking this Boolean property, IsRunningOutOfBrowser. So what I shown you so far is how to create a basic out-of-browser application. In other movies in this chapter, you will learn more about configuring these kinds of applications.

Find answers to the most frequently asked questions about Silverlight 5 Essential Training.


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Q: I'm trying to access a Silverlight 3D application template, [cid:image001.png@01CD0E7D.3E07ECA0]. I have already installed the Silverlight 5 SDK and my Visual Studio 2010 is professional. Could you please help me?
A: You must install XNA Studio in order to use the new Silverlight 3D templates. Otherwise the new templates will not show up. Download it at http://www.microsoft.com/download/en/details.aspx?id=23714.

For other Silverlight downloads (the toolkit, developer runtime, etc.), see http://www.silverlight.net/downloads.
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