Hi,
Under the resources of StackPanel "rootElement" change
<Storyboard x:Name="mystoryboard">
to
<Storyboard x:Key="mystoryboard">
You will not get the error.
Hope this helps.
Parvez Ansari WPF + Silverlight 4.0 Themes www.nukeation.com Blog : www.wpfblogger.com
