public MusicOperationResult Dequeue(out MusicItem item)
{
lock (Queue) {
if (Queue.Count == 0)
{
item = null;
return(MusicOperationResult.QueueIsEmpty);
}
item = Queue.ElementAt(0);
Queue.RemoveAt(0);
return(MusicOperationResult.Success);
}
}
public MusicOperationResult Enqueue(MusicItem item)
{
lock (Queue) {
if (Queue.Count >= Queue.Capacity)
{
return(MusicOperationResult.QueueFull);
}
else
{
Queue.Add(item);
return(MusicOperationResult.Success);
}
}
}
public MusicOperationResult Remove(int index, out MusicItem item)
{
lock (Queue) {
if (index < 0 || index >= Queue.Count)
{
item = null;
return(MusicOperationResult.NotEnoughTrack);
}
else
{
item = Queue [index];
Queue.RemoveAt(index);
return(MusicOperationResult.Success);
}
}
}