private void EqualsBtn_Click(object sender, RoutedEventArgs e)
{
if (double.TryParse(resultLabel.Content.ToString(), out double newNumber))
{
switch (SelectedOperator)
{
case SelectedOperator.Sum:
result = SimpleMath.Sum(lastNumber, newNumber);
break;
case SelectedOperator.Subtract:
result = SimpleMath.Substract(lastNumber, newNumber);
break;
case SelectedOperator.Multiply:
result = SimpleMath.Multiply(lastNumber, newNumber);
break;
case SelectedOperator.Divide:
result = SimpleMath.Divide(lastNumber, newNumber);
break;
}
resultLabel.Content = result;
}
}
