WPF 3d scene does not refresh until input?

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Language: English
Channel Number: 7189218
Article Number: 1215
Date: March 30, 2013, 9:01 am
URL: http://social.msdn.microsoft.com/Forums/en-US/wpf/thread/9600e7e0-35b8-448a-8eaa-e652a194a4a7
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