private void userButton1_Click(object sender, EventArgs e) { try { modBusTcpClient = new HslCommunication.ModBus.ModBusTcpClient(textBox1.Text, int.Parse(textBox2.Text)); modBusTcpClient.LogNet = LogNet; textBox1.Enabled = false; textBox2.Enabled = false; userButton1.Enabled = false; userButton2.Enabled = true; groupBox2.Enabled = true; groupBox3.Enabled = true; if (!modBusTcpClient.ConnectServer().IsSuccess) { MessageBox.Show("连接服务器失败!"); } } catch (Exception ex) { MessageBox.Show("失败:" + ex.Message); } }