public SecondWindow(MailingList store)
{
this.store = store;
InitializeComponent();
for (int i = 0; i < store.ids.Count; i++)
{
Customer aCust = store.find(store.ids[i]);
string preferredContact = aCust.getPreferredContact();
TreeViewItem tv = new TreeViewItem();
tv.Header = (aCust.ID.ToString() + " " + aCust.FirstName + " " + aCust.SurName);
tv.Items.Add("Preferred contact: " + preferredContact);
st.Children.Add(tv);
}
}
