I was wondering if it was possible to add a tab item as the last tab of the radtabcontrol that would act as an "Add Tab" button to add a new tab to the control? (Similar to the button in Firefox and/or IE8).
There is an example about this that I am working on - you can remove the IList implementation in the code since it is about something that I have not finished yet.
The example shows how the original ItemsSource can be wrapped to add a "new button" item. It uses commands which again is not necessary and you may simplify it in your case.
Hopefully the example will be helpful for you.
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