I'm playing round with my first WPF app, which is just a small utility with a progress bar and a cancel button for the UI. I want to be able to accept some arguments from the command line, and I'm not ...

I'm having a bad mental day today... I can't for the life of me figure out how WPF detects a change in the potential return value from the CanExcute delegate on RoutedCommands in order to update the ...