private void ClosePort() { if (_access != null) { _access.Close(); _access = null; } SerialPortOperate.ClosePort(); }
private void btnOpen_Click(object sender, RoutedEventArgs e) { //if (cmbIS.Text == cmbSelecter.Text) //{ // MessageBox.Show("不能为相同串口!"); // return; //} _access = new AccessISPort(); _access.SetCallBack(OnReadBarCode); _access.Open(cmbIS.Text); //SerialPortOperate.Open(cmbSelecter.Text); //btnOpen.IsEnabled = false; }