private void equalButton_Click(object sender, RoutedEventArgs e)
{
double secNum = 0;
if (double.TryParse(resultLabel.Content.ToString(), out secNum))
{
switch (op)
{
case Operator.Addition:
{
result = Arithmetic.Add(lastNum, secNum);
break;
}
case Operator.Division:
{
result = Arithmetic.Div(lastNum, secNum);
break;
}
case Operator.Multiplication:
{
result = Arithmetic.Mult(lastNum, secNum);
break;
}
case Operator.Subtraction:
{
result = Arithmetic.Sub(lastNum, secNum);
break;
}
}
resultLabel.Content = result.ToString();
}
}