private void showTSV(object sender, EventArgs e)
{
uint TID = Util.ToUInt32(MT_TID.Text);
uint SID = Util.ToUInt32(MT_SID.Text);
uint tsv = (TID ^ SID) >> 4;
Tip1.SetToolTip(MT_TID, "TSV: " + tsv.ToString("0000"));
Tip2.SetToolTip(MT_SID, "TSV: " + tsv.ToString("0000"));
}