private void toolStripTextBox1_TextChanged(object sender, EventArgs e)
{
try
{
string s = toolStripTextBox1.Text;
if (s == "")
{
toolStripTextBox3.Text = "";
return;
}
interpreter.Interpret(s);
toolStripTextBox3.Text = interpreter.Result().ToString();
}
catch (Exception ex)
{
toolStripTextBox3.Text = ex.Message;
}
}