ApProg.UserInterface.Programmer.ProgrammerScreen.RegisterDataContext C# (CSharp) Method

        private void RegisterDataContext(bool register)
        {
            var propChanged = DataContext as INotifyPropertyChanged;
            if(propChanged == null)
                return;

            if (register)
                propChanged.PropertyChanged += OnDcPropertyChanged;
            else
                propChanged.PropertyChanged -= OnDcPropertyChanged;
        }