ViewModels/BackupViewModel.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.ComponentModel;
using Passwords.Services;
using System.Collections.ObjectModel;
using Passwords.Models;
using System.Windows.Input;
using System.Windows;
using System.Collections;
using System.Windows.Controls;
using System.Windows.Interactivity;
using Microsoft.Win32;
using System.Runtime.Serialization;
using System.IO;
using System.Diagnostics;
using Passwords.DAL;

namespace Passwords.ViewModels
{
    public class BackupViewModel : ViewModelBase, IDisposable
    {

        public BackupViewModel(AppViewModel appViewModel)
            : base()
        {
            this.appViewModel = appViewModel;
            SyncContext = SyncContext.Current;
            BindCommands();
        }

        public void Dispose()
        {
            UnbindCommands();
        }

        protected AppViewModel appViewModel;

        private IList selectedBackups;

        public IList SelectedBackups
        {
            get { return selectedBackups; }
            set
            {
                if (selectedBackups != value)
                {
                    selectedBackups = value;
                    OnPropertyChanged("SelectedBackups");
                    Backup selected = value != null && value.Count > 0 ? value[0] as Backup : null;
                    SelectedBackup = selected;
                }
            }
        }

        private Backup selectedBackup;

        public Backup SelectedBackup
        {