WP7 Toolkit LongListSelector fix in the latest build: 60973

published on: 2/3/2011 | Views: N/A | Tags: WP7Toolkit LongListSelector

by WindowsPhoneGeek

Jeff Wilcox has just published a new update of the Silverlight for  Windows Phone 7 toolkit:  "Change Set 60973".

There are no changes in the public API of the controls. The only fix is:

"Fix for LongListSelector crash when using Linq and jumping to a group"

In short: The previous change set 60019 required that the group objects implement the IList interface. This issue caused "Invalid Cast Exception" when selecting a group item in the popup. Here is the full discussion. Previously we have updated our LongListSelector samples in this post to work with build 60019 but now the problem is fixed and you do not need these updates any more. You can use the projects attached in each of the articles:

WP7 LongListSelector in depth | Part2: Data binding scenarios

Animating the WP7 LongListSelector group items using transitions

PS: There will be a Feb 2011 release of the Silverlight for Windows Phone Toolkit, including great fixes to transitions, long list selector, and other customer-reported issues. 

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