private void gbtOK_Click_1(object sender, EventArgs e) { if (PS == null) { MessageBox.Show("Link Error !"); return; } PS.SetPort(int.Parse(combPort.SelectedItem.ToString(), System.Globalization.NumberStyles.HexNumber)); PS.SetOnValue(int.Parse(comboBoxOnValue.SelectedItem.ToString())); PS.SetInterval(int.Parse(comboBoxInterval.SelectedItem.ToString())); PS.SetTimeout(int.Parse(comboBoxTimeOut.SelectedItem.ToString())); this.Close(); }