private void BtnOperant_Click(object sender, RoutedEventArgs e)
{
if ((string)((Button)e.Source).Content != "C")
{
saveNumber();
}
switch ((string)((Button)e.Source).Content)
{
case "+":
calc.AddOperator(Operator.Add);
Display.Content += " + ";
break;
case "-":
calc.AddOperator(Operator.Substract);
Display.Content += " - ";
break;
case "*":
calc.AddOperator(Operator.Multiply);
Display.Content += " * ";
break;
case "/":
calc.AddOperator(Operator.Divide);
Display.Content += " / ";
break;
case "CE":
calc.Clear();
Display.Content = string.Empty;
break;
case "C":
Clear();
break;
case "=":
Display.Content = string.Empty;
Display.Content = calc.GetResult(true).ToString();
resultShowed = true;
break;
case "(":
calc.AddOperator(Operator.BracketOpen);
Display.Content += "(";
break;
case ")":
calc.AddOperator(Operator.BracketClose);
Display.Content += ")";
break;
case "sin":
calc.AddOperator(Operator.Sinus);
Display.Content += " sin";
break;
default:
break;
}
}