private void button2_Click(object sender, RoutedEventArgs e)
{
if (appointmentsList.SelectedIndex == -1)
{
return;
}
Appointment a = CalenderApp.Instance.Appointments[appointmentsList.SelectedIndex];
AppointmentDialog wnd = new AppointmentDialog(a);
wnd.Title = "Termin bearbeiten";
wnd.ShowDialog();
}
private void button1_Click(object sender, RoutedEventArgs e)
{
AppointmentDialog wnd = new AppointmentDialog();
wnd.Title = "Neuen Termin anlegen";
wnd.ShowDialog();
}