Kiril,
Thanks for your response. This example demonstrates how to toggle the Enabled/Disabled states from a button. It also provides a hint as to where one would code state-specific styling. To your sample, in the indicated section, I added the following:
These seem to have no effect on appearance of the RadListPicker.
Would you have time to flesh-out your example in a way that would show specified foreground and background colors applied for the Disabled state?
Thanks,
BillVo