private void UIWithdraw()
{
Console.Write("How much will you be withdrawing?\n$");
decimal withdrawl = decimal.Parse(Console.ReadLine());
_invoker.Withdraw(withdrawl);
}
//-- Calls the Invoker method Withdraw() that calls the ConcreteCommand Withdraw
public void DoWithdraw()
{
Console.Write("How much is being withdrawn?\n$");
_withdraw = new WithdrawCommand(_account, GetValue(), _transactionCount);
_invoker.WithdrawCommand = _withdraw;
_invoker.Withdraw();
_transactionCount = _invoker.TransactionHistory.Count + 1;
}