//public ICommand SaveCommand { get; private set; } /// <summary> /// Constructor for main view model /// </summary> public MembershipMaintenanceViewModel() { // checks if database file is present. If not, creates file. if (!File.Exists(filepath)) { using (StreamWriter s = new StreamWriter(filepath, append: false)){} } Memberships = new MembershipListModel(); SelectedMember = new MembershipModel(); // instantiating view command objects AddCommand = new RelayCommand <IClosable>(AddMethod); ChangeCommand = new RelayCommand <IClosable>(ChangeMethod); //2 ExitCommand = new RelayCommand <IClosable>(ExitMethod); LoadCommand = new RelayCommand(LoadMethod); //SaveCommand = new RelayCommand(SaveMethod); // removed to better fit assignment description // instantiating messenger to receive notifications from other view models Messenger.Default.Register <MessageMemberModel>(this, ReceiveMembership); // Initializing window for initial field population (work-around) // first click on listbox does not populate name and email fields otherwise var initChangeWin = new ChangeMembershipView(); initChangeWin.Hide(); initChangeWin.Close(); // Wiring Changed event to event handler. Memberships.Changed += RaisePropertyChanges; // Wiring Changed event to Save Memberships.Changed += SaveMethod; }
// Message assigned data type of object. public MembershipListEventArgs(MembershipListModel mList) => Msg = mList.DataType;