public static FormSong StartInstance(DirectoryInfo chartPath)
{
if (_instance == null)
{
_instance = new FormSong(chartPath);
}
return(_instance);
}
private void ButtonPlay_Click(object sender, EventArgs e)
{
FormSong fs = FormSong.StartInstance(songs[listBoxSongs.SelectedIndex]);
fs.Show();
}
private static void StopInstance()
{
_instance = null;
}