private void btnConc_Click(object sender, EventArgs e) { string ip = txtIp.Text; string port = txtPort.Text; string timeout = txtTimeOut.Text; int ret = Fanuc.cnc_allclibhndl3(ip, Convert.ToUInt16(port), Convert.ToInt32(timeout), out Fanuc.h); if (ret == Fanuc.EW_OK) { MessageBox.Show("连接成功!"); } else { MessageBox.Show(ret + ""); } }