This is Windows Client Developer roundup #23.

The Windows Client Developer Roundup aggregates information of interest to Windows Client Developers, including WPF, Surface, Windows 7, XNA, Windows Forms, Silverlight, Windows Phone and Visual Studio. If you have something interesting you've done or have run across, please send me the URL and brief description via the contact link on my blog.

Shoutout

• Rob Relyea wants to know if you have debated using WPF or Silverlight for a project.
• We are doing some Windows Phone 7 Jump-Start Events in Redmond and Silicon Valley. Register!
• • Redmond: May 18-19
  • Silicon Valley: May 25-26

WPF and Silverlight General

• Stuff - WPF Line of Business using MVVM Video Tutorial (Karl Shifflett)
• Silverlight Unit Test Framework: New version in the April 2010 Silverlight Toolkit (Jeff Wilcox)
• Lost "Button" Simulator in Silverlight (Josh Einstein)
• Tip for adding Silverlight references in Blend (Josh Einstein)
• WCF RIA Services Authorization Sample (Kyle McClellan)
• • Sample 101, Sample 201
• Silverlight XAP Signing Certificate Promotion from Thawte (Tim Heuer)
• Messing with the new PathListBox (Sacha Barber)
• Dynamic Path using XamlReader in Silverlight (Sharker Khaleed Mahmud)
• Grouping in a DataGrid (DotNetSpark)
• Control Styles in WPF (Dennis Delimarsky, .NET Zone)

Patterns

• Annotated Data Contracts and the Content Enricher Pattern (Paul Stovell)

UX

• Ineffective Data Visualization, and how to fix it (Colin Eberhardt)

XNA

• 3D XNA Gizmo v0.2.0 Released (Sgt. Conker)
• OgmoXNA and Ogmo Editor - general-purpose 3D visual level editor (Sgt. Conker)
• New effects in the Content Pipeline (Shawn Hargreaves)
• Effect interfaces in XNA Game Studio 4.0 (Shawn Hargreaves)
• Effect compilation and Content Pipeline Automation in XNA Game Studio 4.0 (Shawn Hargreaves)

Visual C++

• Flexible Project-to-Project References (Visual C++ Blog)

Windows Phone 7

• A transparent Windows Phone 7 FAQ (Jaime Rodriguez)
• WP7: Versions in April CTP (Peter Foot)

Windows 7

• Windows 7 Programming Guide - Taskbar (Yochay Kiriaty)

Surface

• Swedish Medical Center Baby Photo Contest (at Nordstrom Stores) (Surface Blog)

Visual Studio

• Creating Visual Studio Extension Files (VSIX) for Template Deployment (Tim Heuer)
• Building on Cross-targeting scenarios and 64-bit MSBuild (Visual Studio Blog)
• MSBuild Property Functions (2) (Visual Studio Blog)

Fun

• Tiny working cannon (YouTube)
• Shooting a large thunder mug (You have to admit this just looks like fun) (YouTube)
• What's inside a 9v Battery? (YouTube)
• Kiwi Jetpack (want!) (YouTube)
• A typewriter the size of a VolksWagon? Pretty much (Flickr)
• The Factory continuously creates, records, and re-melts wax shapes (xs4all)
• Lego Space Shuttle Set (Gizmodo)