public AddSongUI(GuitarPracticeTrackerUI mainUI, Song song) { InitializeComponent(); tbArtist.Text = song.Artist; tbName.Text = song.Name; cbTuning.DataSource = Tunings.ListOfTunings; cbTuning.SelectedItem = Tunings.FindTuningByString(song.Tuning); cbDifficulty.DataSource = Enum.GetValues(typeof(Difficulty)); cbDifficulty.SelectedItem = song.Difficulty; songToEdit = song; addOrEdit = AddOrEdit.Edit; btnAddSong.Text = "Edit Song"; mainUIForm = mainUI; }