/**
* Calculate inputted argument, handle exception and show result
*/
private void showResult()
{
Lab4 calculate = new Lab4();
try
{
calculate.a = (float)Double.Parse(textBox1.Text, CultureInfo.InvariantCulture);
calculate.b = (float)Double.Parse(textBox2.Text, CultureInfo.InvariantCulture);
calculate.q = (float)Double.Parse(textBox3.Text, CultureInfo.InvariantCulture);
calculate.calculate();
richTextBox1.Text = (calculate.x12.Equals(0)) ? ("Discriminant > 0: x1="+calculate.x1 + "; x2=" + calculate.x2) : ("Discriminant = 0: x1=x2=" +calculate.x12);
}
catch (FormatException) { MessageBox.Show("Помилка, введіть число."); }
catch (ArgumentNullException exc) { MessageBox.Show("" + exc); }
catch (OverflowException exc) { MessageBox.Show("" + exc); }
catch (Exception exc) { MessageBox.Show("" + exc.Message); }
}
