/// <summary>
 /// Convert XML to PDU.
 /// </summary>
 private void XMLToPduBtn_Click(object sender, EventArgs e)
 {
     try
     {
         if (tabControl1.SelectedIndex == 4)
         {
             DataPdu.Text = GXCommon.ToHex(translator.XmlToData(DataXml.Text));
         }
         else
         {
             PduTB.Text = GXCommon.ToHex(translator.XmlToPdu(XmlTB.Text), true);
         }
     }
     catch (Exception ex)
     {
         MessageBox.Show(this, ex.Message);
     }
 }