PgUpdateVm.cs

using GalaSoft.MvvmLight.Command;

using Install.Core.Common;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using Update.Core;

namespace Update.View
{
    public class PgUpdateVm : INotifyPropertyChanged
    {

        public event PropertyChangedEventHandler PropertyChanged;


        public Dictionary<string, BitmapSource> Icons { get; private set; }
        public ObservableCollection<ListItem> Items { get; } = new ObservableCollection<ListItem>();


        public RelayCommand DownloadCmd { get; private set; }

        InstallWizard installWizard;
        public InstallWizard InstallWizard => installWizard;

        public PgUpdateVm() 
        {
            DownloadCmd = new RelayCommand(Download);
        }

        private void Download()
        {
            //打开 下载进度界面
            WdDownload w = new WdDownload();
            w.Init();
            w.ShowDialog();
            
        }

        public void Init() 
        {
            installWizard = Application.Current.Properties[nameof(InstallWizard)] as InstallWizard;

            Icons = installWizard.Icons;

            foreach (var installInfo in installWizard.HasInstalled)
            {
                Items.Add(new ListItem() { Item = installInfo, IsSelected = installInfo.NeedToUpdate });
            }

        }

    }
}