When you click the button in the notification, its possible that the event gets executed multiple times. Now the notification gets removed from the dictionary after the first execution of "OnNotifyActionInvoked" and will be null if the method runs again for the same command.
When you click the button in the notification, its possible that the event gets executed multiple times. Now the notification gets removed from the dictionary after the first execution of "OnNotifyActionInvoked" and will be null if the method runs again for the same command.