When the parameter is changed, the ActionButton
will refresh its state depending on the value returned by the command's CanExecute
method. If this doesn't work correctly on your side, please send us a sample that we can use to reproduce the issue.
Let us know if you need further assistance.
If you want to get updates on new releases, tips and tricks and sneak peek previews directly from the developers working on the UI for Windows Phone, subscribe to the blog feed