private void EqualBtn_Click(object sender, RoutedEventArgs e)
{
double newNum;
if (double.TryParse(resultLb.Content.ToString(), out newNum))
{
switch (selectedOperator)
{
case selectedOperator.Addition:
result = SimpleMath.Add(lastNum, newNum);
break;
case selectedOperator.Soustraction:
result = SimpleMath.Sous(lastNum, newNum);
break;
case selectedOperator.Multiplication:
result = SimpleMath.Multi(lastNum, newNum);
break;
case selectedOperator.Division:
result = SimpleMath.Div(lastNum, newNum);
break;
}
}
resultLb.Content = result.ToString();
}