protected override void PostAction(AddTransactionRecordBaseResult result)
{
base.PostAction(result);
if (result is AddTransactionRecordResult)
{
prevBalance = ((AddTransactionRecordResult)result).Balance;
}
}
protected virtual void PostAction(AddTransactionRecordBaseResult result)
{
TotalIncome += result.Income;
TotalExpense -= result.Expense;
TransactionRecords.Add(result.TransactionRecord);
}