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Silverlight Toolkit April 2010 changes

The following list encompasses all changes made between the Silverlight Toolkit November 2009 release and the Silverlight Toolkit April 2010 release for Silverlight 4. To see previous changes see the Silverlight Toolkit November 2009 change list, Silverlight Toolkit October 2009 change list, Silverlight Toolkit December 2008 change list, Silverlight Toolkit March 2009 change list, and Silverlight Toolkit July 2009 change list.

What’s New


  • New Stacked series added for Bar, Column, Line, and Area series
  • New 100% stacking also added where stacked values are represented as percentages of the total stacked value
  • New Samples for stacked series charts
  • Performance improvements for stacked series vs their non-stacked counterparts

Context Menu

  • New Single-level Context Menu control which is a proper subset of the WPF ContextMenu control
  • New ContextMenuService that allows for easy usage of ContextMenus throughout an application

Theme Updates

  • New ApplicationThemeUri property that allows for dynamic theme switching at runtime without the need to re-parent contents
  • New SystemColors theme added that picks up the system's colors for accessibility scenarios
  • New SystemColors theme sample
  • Bug fixes to Themes

Xmlns Definition Update

  • All toolkit controls can be found under a single common “toolkit” prefix when added from the Toolbox

DragDrop Targets

  • New PanelDragDropTarget added to allow drag and drop between two panels


  • New TreeView samples that provide templates with connecting lines, full row selection, and checkboxes

Silverlight Unit Test Framework Improvements

  • Rewritten to be completely Silverlight based for interactive results analysis
  • Supports Silverlight 4 Out of Browser testing
  • Copy to clipboard function exposed for test results
  • Easy tag expression support added at startup for test selection

Other Updates

Reactive Extensions Framework

  • Bug Fix: Bundled Reactive Extensions removed to allow usage of the latest Rx bits alongside the Toolkit

Visual Studio 2008

  • Removed design-time support for Visual Studio 2008

Silverlight 3

  • Removed support for Silverlight 3. If you are still using Silverlight 3 download the November 2009 release

Last edited Apr 18, 2010 at 1:15 PM by jeffwilcox, version 3


w0rddriven Nov 24, 2010 at 5:11 PM 
Intellisense not working should've been explained better so here goes:
Intellisense for the toolkit: prefix doesn't work for the *top level item*. Use something like toolkit:ContextMenuService, hit . and ContextMenu pops up normally. For further info, refer to this work item:

tomas_pajer Jun 27, 2010 at 1:24 AM 

DenisVuyka Jun 15, 2010 at 2:54 PM 
Can you please clarify why intellisense is no longer working for VS2010 when April toolkit namespace is declared within the project?

phix500 May 28, 2010 at 3:51 AM 
I downloaded the source for SL4 tools. When I compile I'm missing lot's of references.
Where are they? Thanks.

seeligd May 27, 2010 at 12:24 AM 
Is it possible to show the xaml for examples that aren't 'basic' in the demo?

mbz013 May 18, 2010 at 3:21 PM 
Is anyone else having an issue with using the Dataform control provided in the Silverlight Toolkit (4/10) and the new Silverlight 4 Tools released yesterday ( 5/18/2010)? I installed it and tried dragging and dropping a Dataform on a Business Application View Page and it will not render the proper XAML

jeffwilcox May 14, 2010 at 7:42 AM 
The business app template is part of the Silverlight 4 tools, not the toolkit. It should be present once installing the SL4 tools from

rowek May 12, 2010 at 1:26 PM 
I read in the Channel 9 Overview document that Silverlight Toolkit April 2010 contains WCF RIA Services, but after a successful instal I do not get "Sliverlight Business Application" template in VS 2010. When I try to manually run the WCF RIA Services from a separate download, it completes, but still no "Sliverlight Business Application" template. What am I doing wrong? Thanks. Keith

Markus86 Apr 16, 2010 at 7:50 AM 
Where has the TreeView.SelectItem()-Method gone??

clement_911 Apr 16, 2010 at 3:37 AM 
Well done on removing the dependency on RX.