private void EqualsButton_Click(object sender, RoutedEventArgs e)
{
if (!calculation.IsEvaluable)
{
ResultDisplay.Text = "No operator defined, try again!";
return;
}
if (string.IsNullOrEmpty(number))
{
ResultDisplay.Text = "There is nothing to compute.";
return;
}
calculation.SecondNumber = Int32.Parse(number);
number = string.Empty;
double result = calculation.GetResult();
if (calculation.Operator.Equals(ArithmeticOperator.Division) && result == -1)
{
ResultDisplay.Text = "Can not divide by zero";
}
else
{
ResultDisplay.Text = result.ToString();
}
calculation.Clean();
cleanMessageDisplay = true;
}