private void Send() { while (true) { if (ByteQueue.Any()) { try { string strMsg = this.txt_Msg.Text.Trim(); byte[] buffer = Encoding.Default.GetBytes(strMsg); List <byte> list = new List <byte>(); list.Add(0); list.AddRange(buffer); //将泛型集合转换为数组 byte[] newBuffer = list.ToArray(); //获得用户选择的IP地址 //var mess = new byte[] { 0xff, 0x08, 0x07 }; //= @"FF 08 07"; var mess = DivisionHEX(txt_Msg.Text).TrimEnd(); //var strings = mess.Split(' '); //var bytes = Array.ConvertAll(strings, input => Convert.ToByte(input, 16)); var bytes = ByteQueue.Dequeue(); foreach (var ip in dicPCSocket.Keys) { try { dicPCSocket[ip].Send(bytes); } catch (Exception ex) { }; } txt_Log.Invoke(receiveCallBack, $"发送成功"); } catch (Exception ex) { MessageBox.Show("给客户端发送消息出错:" + ex.Message); } } else { Thread.Sleep(1); } } }