private void button_Click(object sender, RoutedEventArgs e)
{
Button button = sender as Button;
int digit = -1;
if (int.TryParse(button.Content.ToString(), out digit))
{
calc.AddDigit(digit);
}
else
{
switch (button.Tag)
{
case "Add":
calc.ProcessBinOp(CalculatorOperations.Add);
break;
case "Sub":
calc.ProcessBinOp(CalculatorOperations.Sub);
break;
case "Mul":
calc.ProcessBinOp(CalculatorOperations.Mul);
break;
case "Div":
calc.ProcessBinOp(CalculatorOperations.Div);
break;
case "Eq":
calc.ProcessBinOp(CalculatorOperations.Eq);
break;
case "Invert":
calc.ProcessUnOp(CalculatorUnOperations.Invert);
break;
case "Point":
calc.AddPoint();
break;
case "Reciprocal":
calc.ProcessUnOp(CalculatorUnOperations.Reciprocal);
break;
case "CE":
calc.Clear();
break;
case "C":
calc.ClearAll();
break;
case "Percent":
calc.ProcessBinOp(CalculatorOperations.Percent);
break;
case "Sqr":
calc.ProcessUnOp(CalculatorUnOperations.Sqr);
break;
case "Sqrt":
calc.ProcessUnOp(CalculatorUnOperations.Sqrt);
break;
case "Backspace":
calc.ProcessUnOp(CalculatorUnOperations.Backspace);
break;
}
}
}