private void BtnRead_Click(object sender, RoutedEventArgs e)
        {
            Button btn = (Button)sender;

            string register = btn.Name.Substring(12, 2);

            byte registerParsed = byte.Parse(register, NumberStyles.HexNumber);

            Screen screen = (Screen)cmbxScreenList.SelectedItem;

            byte[] data = Connector.Action23GetRegister(screen, registerParsed);

            BitArray ba = new BitArray(data);

            for (int pos = 0; pos <= 7; pos++)
            {
                ToggleButton btnRegister = FindChild <ToggleButton>(this, "btnRegisterR" + register + "P" + pos);

                btnRegister.IsChecked = ba[pos];
            }
        }