public void registerClient(string clientGuid) { Logger.Write("[manager] register new client: " + clientGuid); if (m_clients != null && !m_clients.ContainsKey(clientGuid)) { Logger.Write("start register [manager]: " + clientGuid); ClientThread newClient = new ClientThread(clientGuid, m_applicationForm); newClient.startThread(); m_clients.Add(clientGuid, newClient); } else { Logger.Write("[manager] register new client repeatedly"); } }