private void NewPayment(object obj)
{
IPayment newPayment = new Payment();
_bon.Payments.Add(newPayment);
PaymentViewModel zahlungWrapper = new PaymentViewModel(newPayment, _DBConnection);
zahlungWrapper.PropertyChanged -= dingsda;
zahlungWrapper.PropertyChanged += dingsda;
AllPayments.Add(zahlungWrapper);
CurrentPayment = zahlungWrapper;
RaisePropertyChanged("CurrentPayment");
RaisePropertyChanged("SumToPay");
RaisePropertyChanged("PaymentsExist");
}
private void LoadPaymentViewModels()
{
// Geschäfte laden:
ObservableCollection <PaymentViewModel> obs = new ObservableCollection <PaymentViewModel>();
foreach (IPayment zahlung in this.Payments)
{
PaymentViewModel zvm = new PaymentViewModel(zahlung, _DBConnection);
zvm.PropertyChanged -= dingsda;
zvm.PropertyChanged += dingsda;
obs.Add(zvm);
}
_allPayments = obs;
CurrentPayment = GetCurrentPayment();
if (CurrentPayment == null && AllPayments.Count > 0)
{
CurrentPayment = AllPayments[0];
}
RaisePropertyChanged("AllShops");
}
