public SongsViewForm(SongsModel songsModel)
{
InitializeComponent();
allToolStripMenuItem.Checked = true;
before2000ToolStripMenuItem.Checked = false;
after2000ToolStripMenuItem.Checked = false;
this.songsModel = songsModel;
songsModel.SongAdded += SongsModel_SongAdded;
songsModel.SongModified += SongsModel_SongModified;
songsModel.SongDeleted += SongsModel_SongDeleted;
}
public MainForm()
{
InitializeComponent();
songsModel = new SongsModel();
}