private void hexBox1_CurrentPositionInLineChanged(object sender, EventArgs e)
{
toolStripLabel1.Text = string.Format("Ln {0} Col {1}", hexBox1.CurrentLine, hexBox1.CurrentPositionInLine);
toolStripButton1.Text = GetSymbolName((hexBox1.CurrentLine - 1) * 16 + (hexBox1.CurrentPositionInLine - 1));
}