private void textBox1_TextChanged(object sender, EventArgs e)
{
g.Clear(Color.White);
CString cs = new CString(textBox1.Text);
cs.OnImage(g, 10, 10, 1000, Pens.Black);
StringBuilder sb = new StringBuilder();
cs.ExplainToStringbuilder(sb);
this.textBox2.Text = sb.ToString();
pictureBox1.Refresh();
}
