private void EqualsButton_Click(object sender, RoutedEventArgs e)
{
double newNumber;
if (double.TryParse(resultLabel.Content.ToString(), out newNumber))
{
switch (selectedOperator)
{
case SelectedOperator.Addition:
result = SimpleMath.Add(lastNumber, newNumber);
break;
case SelectedOperator.Subtraction:
result = SimpleMath.Subtract(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();
}
}
private void EqualsButton_Click(object sender, RoutedEventArgs e)
{
// Get the second value.
double newNumber;
if (double.TryParse(ResultLabel.Content.ToString(), out newNumber))
{
// Perform the operation now
switch (_selectedOperation)
{
case CalculatorOperation.Addition:
_result = SimpleMath.Add(_lastNumber, newNumber);
break;
case CalculatorOperation.Subtraction:
_result = SimpleMath.Subtract(_lastNumber, newNumber);
break;
case CalculatorOperation.Multiplication:
_result = SimpleMath.Multiply(_lastNumber, newNumber);
break;
case CalculatorOperation.Division:
_result = SimpleMath.Divide(_lastNumber, newNumber);
break;
}
ResultLabel.Content = _result.ToString();
}
}
private void EqButton_Click(object sender, RoutedEventArgs e)
{
if (double.TryParse(resultLabel.Content.ToString(), out double newNumber))
{
switch (SelectedFunction)
{
case SelectedFunction.Addition:
result = SimpleMath.Add(lastNumber, newNumber);
break;
case SelectedFunction.Subtraction:
result = SimpleMath.Subtract(lastNumber, newNumber);
break;
case SelectedFunction.Multiplication:
result = SimpleMath.Mult(lastNumber, newNumber);
break;
case SelectedFunction.Division:
result = SimpleMath.Div(lastNumber, newNumber);
break;
}
resultLabel.Content = result.ToString();
}
}
private void EqualsButtonClick(object sender, RoutedEventArgs e)
{
double newNumber;
if (double.TryParse(ResultLabel.Content.ToString(), out newNumber))
{
switch (selectedOperator)
{
case SelectedOperator.Plus:
result = SimpleMath.Add(lastNumber, newNumber);
break;
case SelectedOperator.Minus:
result = SimpleMath.Subtract(lastNumber, newNumber);
break;
case SelectedOperator.Multiply:
result = SimpleMath.Multiply(lastNumber, newNumber);
break;
case SelectedOperator.Divide:
result = SimpleMath.Divide(lastNumber, newNumber);
break;
default:
ResultLabel.Content = "0";
lastNumber = 0;
result = 0;
break;
}
ResultLabel.Content = result.ToString();
}
}
private void _buttonEqual_Click(object sender, RoutedEventArgs e)
{
if (double.TryParse(labelResult.Content.ToString(), out double newNumber))
{
switch (_operator)
{
case Operator.Addition:
_result = SimpleMath.Add(_lastNumber, newNumber);
break;
case Operator.Division:
_result = SimpleMath.Divide(_lastNumber, newNumber);
break;
case Operator.Multiplication:
_result = SimpleMath.Multiply(_lastNumber, newNumber);
break;
case Operator.Subtraction:
_result = SimpleMath.Subtract(_lastNumber, newNumber);
break;
}
labelResult.Content = _result.ToString();
}
}
private void EqualButton_Click(object sender, RoutedEventArgs e)
{
equalButtonPressed = true;
operationButtonPressed = false;
if (double.TryParse(resultLabel.Content.ToString(), out secondOperand))
{
switch (selectedOperator)
{
case SelectedOperator.Addition:
calculationResult = SimpleMath.Add(firstOperand, secondOperand);
break;
case SelectedOperator.Subtraction:
calculationResult = SimpleMath.Subtract(firstOperand, secondOperand);
break;
case SelectedOperator.Multiplication:
calculationResult = SimpleMath.Multiply(firstOperand, secondOperand);
break;
case SelectedOperator.Division:
calculationResult = SimpleMath.Divide(firstOperand, secondOperand);
break;
default:
break;
}
resultLabel.Content = calculationResult.ToString();
}
}