// Show borrowed money in red
private Color getBalanceColor(BankAccount account)
{
if (account.AccountIsOverdrawn())
{
return(Color.Red);
}
return(Color.Black);
}
// If the account balance is negative (credit line only), display it inside parentheses.
private string getBalanceDisplayString(BankAccount account)
{
decimal absoluteBalance = Math.Abs(account.Balance);
string balanceString = absoluteBalance.ToString("N2");
if (account.AccountIsOverdrawn())
{
return(string.Format("({0})", balanceString));
}
return(balanceString);
}
