private void AddProjectLog() { if (projectcomboBox.SelectedIndex > 0) { var project = ((Projects)projectcomboBox.ItemsSource)[projectcomboBox.SelectedIndex]; timeKeeper.AddLogEntry(new ProjectLog { UserId = Environment.UserName, DurationTime = TimeSpan.Parse(timerManger.DurationTime), ProjectId = project.Id, StartDate = DateTime.Today }); } }