private void EqualsButton_Click(object sender, RoutedEventArgs e)
{
double newNumber;
//checks and parses the string into a double if the string contains only charactors allowed in a double
if (double.TryParse(ResultLable.Content.ToString(), out newNumber))
{
switch (mathOperator)
{
case SelectedOperator.Addition:
result = SimpleMath.Add(lastNumber, newNumber);
break;
case SelectedOperator.Subtraction:
result = SimpleMath.Substraction(lastNumber, newNumber);
break;
case SelectedOperator.Multiplication:
result = SimpleMath.multiply(lastNumber, newNumber);
break;
case SelectedOperator.Division:
result = SimpleMath.divide(lastNumber, newNumber);
break;
}
ResultLable.Content = result.ToString();
}
}
private void resultButton_Click(object sender, RoutedEventArgs e)
{
//Checks which operation was used, and after calculates it by using another "SimpleMath" class
double newNumber;
if (double.TryParse(resultLabel.Content.ToString(), out newNumber))
{
switch (selectedOperator)
{
case SelectedOperator.Addition:
result = SimpleMath.add(lastNumber, newNumber);
break;
case SelectedOperator.Substraction:
result = SimpleMath.substract(lastNumber, newNumber);
break;
case SelectedOperator.Multiplication:
result = SimpleMath.multiply(lastNumber, newNumber);
break;
case SelectedOperator.Division:
result = SimpleMath.divide(lastNumber, newNumber);
break;
}
resultLabel.Content = result.ToString();
}
}