private void ButtonOperator_Click(object sender, RoutedEventArgs e)
{
Button OperationButton = sender as Button;
string Operation = OperationButton.Name;
if (double.TryParse(Operand2.Text, out double Operand2Num) && double.TryParse(Operand1.Text, out double Operand1Num))
{
switch (Operation)
{
case "ButtonAdd":
Answer.Text = Convert.ToString(Operand1Num + Operand2Num);
break;
case "ButtonSubtract":
Answer.Text = Convert.ToString(Operand1Num - Operand2Num);
break;
case "ButtonDivide":
if (Operand2Num == 0)
{
DivideByZeroError DivByZeroErrorWin = new DivideByZeroError();
DivByZeroErrorWin.Show();
Operand2.Focus();
}
else
{
Answer.Text = Convert.ToString(Operand1Num / Operand2Num);
}
break;
case "ButtonMultiply":
Answer.Text = Convert.ToString(Operand1Num * Operand2Num);
break;
default:
Answer.Text = "???";
break;
}
}
else
{
ValidationError1 ValidationErrorWin = new ValidationError1();
ValidationErrorWin.Show();
}
}