public Sequencer()
{
dispatcher.MetaMessageDispatched += delegate(object sender, MetaMessageEventArgs e)
{
if (e.Message.MetaType == MetaType.EndOfTrack)
{
tracksPlayingCount--;
if (tracksPlayingCount == 0)
{
Stop();
OnPlayingCompleted(EventArgs.Empty);
}
}
else
{
clock.Process(e.Message);
}
};
dispatcher.ChannelMessageDispatched += delegate(object sender, ChannelMessageEventArgs e)
{
stopper.Process(e.Message);
};
clock.Tick += delegate(object sender, EventArgs e)
{
lock (lockObject)
{
if (!playing)
{
return;
}
//foreach(IEnumerator<int> enumerator in enumerators)
//{
// enumerator.MoveNext();
//}
//*************************添加的代码*************************
int count = enumerators.Count;
for (int i = 0; i < count; i++) //使用for替换foreach，变为线程安全
{ //使用try-catch防止count变化时i越界
try
{
enumerators[i].MoveNext(); //如果枚举数已成功地推进到下一个元素，则为 true；如果枚举数传递到集合的末尾，则为 false。
}
catch (Exception)
{
i = 0;
count = enumerators.Count; //重新计数
continue;
}
}
//*************************添加的代码*************************
}
};
}
public Sequencer()
{
dispatcher.MetaMessageDispatched += delegate(object sender, MetaMessageEventArgs e)
{
if (e.Message.MetaType == MetaType.EndOfTrack)
{
tracksPlayingCount--;
if (tracksPlayingCount == 0)
{
Stop();
OnPlayingCompleted(EventArgs.Empty);
}
}
else
{
clock.Process(e.Message);
}
};
dispatcher.ChannelMessageDispatched += delegate(object sender, ChannelMessageEventArgs e)
{
stopper.Process(e.Message);
};
clock.Tick += delegate(object sender, EventArgs e)
{
lock (lockObject)
{
if (!playing)
{
return;
}
foreach (IEnumerator <int> enumerator in enumerators)
{
enumerator.MoveNext();
}
}
};
ori_clock = clock;
}
public Sequencer()
{
dispatcher.MetaMessageDispatched += delegate(object sender, MetaMessageEventArgs e)
{
if (e.Message.MetaType == MetaType.EndOfTrack)
{
tracksPlayingCount--;
if (tracksPlayingCount == 0)
{
Stop();
OnPlayingCompleted(EventArgs.Empty);
}
}
else
{
clock.Process(e.Message);
}
};
dispatcher.ChannelMessageDispatched += delegate(object sender, ChannelMessageEventArgs e)
{
stopper.Process(e.Message);
};
clock.Tick += delegate(object sender, EventArgs e)
{
Console.WriteLine("4-B-tick");
lock (lockObject)
{
Console.WriteLine("4-In-tick");
if (!playing)
{
return;
}
Console.WriteLine($"4-1-In:{enumerators.Count}");
foreach (IEnumerator <int> enumerator in enumerators)
{
//Console.WriteLine("4-2-In lock in tick");
enumerator.MoveNext();
//Console.WriteLine("4-3-In lock in tick");
}
}
Console.WriteLine("4-Aft-tick");
};
}
