private void TCP_IPMenuForm_FormClosing(object sender, FormClosingEventArgs e) { if (clientTcp != null) { clientTcp.DisconnectServer((error) => { if (error.ErrorCode != ClientErrorCode.None) { textBoxTCPTips.AppendText($"{error.ErrorStr}\r\n"); } }); } clientTcp = null; clientUdp = null; FormManager.Instance.BackClose(); }
private void buttonUDPSend_Click(object sender, EventArgs e) { try { if (clientUdp == null) { if (this.m_curUdpServer == null) { MessageBox.Show("Please select right host.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); return; } IPAddress address = IPAddress.Parse(this.m_curUdpServer.ServerIP); IPEndPoint server = new IPEndPoint(address, this.m_curUdpServer.ServerPort); clientUdp = new SocketUDPClient(server, (recvData) => { if (recvData.Length <= 0) { Console.WriteLine("receive data is null."); return; } string data = Encoding.UTF8.GetString(recvData.RecvBuffer, 0, recvData.Length); this.textBoxUDPReceive.AppendText($"{data}\r\n"); }); } string sendMsg = this.textBoxUDPSendMessage.Text.Trim(); if (string.IsNullOrEmpty(sendMsg)) { Console.WriteLine("send data is null."); return; } byte[] sendBuffer = Encoding.UTF8.GetBytes(sendMsg); clientUdp.SendTo(sendBuffer); } catch (Exception error) { Console.WriteLine($"UDPSend_Click Error: {error.Message}"); } }