Project class

Project.cs

    public class Project : ObservableObject
    {
        private string _title;
        public string Title
        {
            get { return _title; }
            set
            {
                _title = value;
                RaisePropertyChanged(nameof(Title));
            }
        }

        private TimeSpan _totalTime;
        public TimeSpan TotalTime
        {
            get { return _totalTime; }
            set
            {
                _totalTime = value;
                RaisePropertyChanged(nameof(TotalTime));
            }
        }
    }