Lester's WPF\SL Blog


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December, 2009

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  • Lester's WPF\Silverlight Blog

    Runtime Fault Injection using TestAPI

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    “ Fault injection is a t echnique for improving the coverage of a test by introducing faults to test code paths, in particular error handling code paths that might otherwise rarely be followed” - wikipedia TestAPI in its current release supports runtime fault injection. The API is pretty easy to use. It comprises of the following steps Part\Step# API Signature of the function where the fault is injected This is just a string Fault condition – specifies when to trigger the fault (static methods in BuiltInConditions ) TriggerEveryOnNthCall ( int n); TriggerIfCalledBy ( string caller); TriggerIfStackContains ( string method); TriggerOnNthCall ( int n); TriggerOnNthCallBy ( int...
  • Lester's WPF\Silverlight Blog

    Snoop with 64 bit support

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    If you have used Snoop, its very likely you are using it with 32 bit apps since it lacked the support for the x64 apps. Now Cory has built an x64 Snoop version with a few other enhancements. Link to Cory's post: Click Here Share this post
  • Lester's WPF\Silverlight Blog

    MVVM Links\Info

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    Putting this as a placeholder post for interesting links associated with MVVM. Informational Links http://blogs.msdn.com/johngossman/archive/2005/10/08/478683.aspx http://en.wikipedia.org/wiki/MVVM -- This has links to several other articles that are very useful http://msdn.microsoft.com/en-us/magazine/dd419663.aspx Template (works for vs 2008 ) – includes documentation\samples http://www.codeplex.com/wpf/Release/ProjectReleases.aspx?ReleaseId=14962 Screencasts Implementing Model-View-ViewModel in WPF Implementing Model-View-ViewModel in Silverlight Implementing MVVM & Exploring UX Design Patterns Several MVVM frameworks\libraries are available to make it easier implementing...
  • Lester's WPF\Silverlight Blog

    WPF Manipulation Basics

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    Here's the second post by Drake on the usage of Manipulation features.. Sample attached WPF Manipulation Basics Things to know before we start Understanding how RoutedEvents work might provide additional insight for this tutorial. http://msdn.microsoft.com/magazine/cc785480 . In the previous post we looked at the basics of the primitive Touch APIs. This was a good starting point for conceptual material, but when developing your application it’s recommended that you use the Manipulation APIs. In addition to providing a richer user experience you will also help ensure consistent behavior across Multi-Touch enabled applications. The Manipulation APIs are built on top of the Touch APIs. Generally using one implies that you will not...
  • Lester's WPF\Silverlight Blog

    WPF Touch Basics

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    In my previous posts, I briefly described the new WPF Touch feature. Was planning to get a more detailed post out but just couldnt get the time. Thankfully, Drake Campbell, one of our devs in Microsoft, sent me the following post on the basics of WPF Touch. Its a nice read.. So get started.... WPF Touch Basics Things to know before we start Understanding how RoutedEvents work might provide additional insight for this tutorial. http://msdn.microsoft.com/magazine/cc785480. What is Touch? Essentially it is your finger as the mouse. You can think of Touch as any action involving a single finger. Inertia effects, dragging and throwing something, are not included as part of Touch. Those are covered in Manipulations. Touch events include...
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