This post is simply a PSA for the next person who is trying to get up to speed w/ WPF and cannot figure out why your implementation of CanExecute from ICommand is only being called one time. When you create your command class which implements ICommand and you let VS (or R#) auto-generate your implementation...
Today I was working with a WPF project and when I went to run the application I got the following error 'Cannot locate resource 'FileName.xaml'. Note, this is NOT a compiler error, this is a runtime error. When I opened up the App.xaml file, the StartupUri appeared to be correct, but I would still get...