C#聊天程序(18) new String(commandBuffer, 1, counter-1)); if(counter>0){ readMode = 2; text.Length = 0; }else if(commandBuffer[0] == 'R'){ counter = 0; prevReceiveText = String.Empty; Notifications(Notification.Received, prevReceiveText); } } break; case 2: text.Append(oneBuffer[0]); if(--counter == 0){