private async void Button_Click(object sender, RoutedEventArgs e)
{
var Res = new POS();
double Amount = Convert.ToDouble(AmountInput.Text);
double Payment = Convert.ToDouble(PaymentInput.Text);
if (Amount <= 0 || Payment <= 0)
{
var msg = new MessageDialog("จ่ายเงินติดลบไม่ได้โว้ยยยยยยยยยย");
await msg.ShowAsync();
}
else if (Amount == Payment)
{
ChangeText.Text = "จ่ายพอดี ไม่มีทอน";
}
else if (Amount > Payment)
{
var msg = new MessageDialog("จ่ายเงินให้มากกว่าราคาสินค้าสิจ๊ะ");
await msg.ShowAsync();
}
else
{
var resuly = Res.ComputeChange(Amount, Payment);
var Change = Res.GetChangeBankNotesAndCoins(resuly);
ChangeText.Text = Change.RoundedChange.ToString();
if (Change.BankNotesAndCoins.ContainsKey(BankNotesAndCoinsInSatang.Thousand))
{
Thousand.Text = Change.BankNotesAndCoins[BankNotesAndCoinsInSatang.Thousand].ToString();
}
if (Change.BankNotesAndCoins.ContainsKey(BankNotesAndCoinsInSatang.FiveHundreds))
{
FiveHundreds.Text = Change.BankNotesAndCoins[BankNotesAndCoinsInSatang.FiveHundreds].ToString();
}
if (Change.BankNotesAndCoins.ContainsKey(BankNotesAndCoinsInSatang.Hundred))
{
Hundred.Text = Change.BankNotesAndCoins[BankNotesAndCoinsInSatang.Hundred].ToString();
}
if (Change.BankNotesAndCoins.ContainsKey(BankNotesAndCoinsInSatang.Fifty))
{
Fifty.Text = Change.BankNotesAndCoins[BankNotesAndCoinsInSatang.Fifty].ToString();
}
if (Change.BankNotesAndCoins.ContainsKey(BankNotesAndCoinsInSatang.Twenty))
{
Twenty.Text = Change.BankNotesAndCoins[BankNotesAndCoinsInSatang.Twenty].ToString();
}
if (Change.BankNotesAndCoins.ContainsKey(BankNotesAndCoinsInSatang.Ten))
{
Ten.Text = Change.BankNotesAndCoins[BankNotesAndCoinsInSatang.Ten].ToString();
}
if (Change.BankNotesAndCoins.ContainsKey(BankNotesAndCoinsInSatang.Five))
{
Five.Text = Change.BankNotesAndCoins[BankNotesAndCoinsInSatang.Five].ToString();
}
if (Change.BankNotesAndCoins.ContainsKey(BankNotesAndCoinsInSatang.One))
{
One.Text = Change.BankNotesAndCoins[BankNotesAndCoinsInSatang.One].ToString();
}
if (Change.BankNotesAndCoins.ContainsKey(BankNotesAndCoinsInSatang.Fiftieth))
{
Fiftieth.Text = Change.BankNotesAndCoins[BankNotesAndCoinsInSatang.Fiftieth].ToString();
}
if (Change.BankNotesAndCoins.ContainsKey(BankNotesAndCoinsInSatang.TwentyFifth))
{
TwentyFifth.Text = Change.BankNotesAndCoins[BankNotesAndCoinsInSatang.TwentyFifth].ToString();
}
}
}
