/// <returns>LinkedSongList实例</returns>
public static LinkedSongList GetInstance()
{
if (instance == null)
{
instance = new LinkedSongList();
}
return(instance);
}
/// <returns>LinkedSongList实例</returns>
public static LinkedSongList GetInstance()
{
if (instance == null)
{
instance = new LinkedSongList();
}
return instance;
}
private PlaylistStack()
{
stack = new Stack <PlaylistAdapter>();
stack.Push(LinkedSongList.GetInstance());//非插播列表始终存在
}
