KeepUIResponsive/ListViewModel.cs

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Diagnostics;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading.Tasks;

namespace KeepUIResponsive
{
    public class ListViewModel : INavigable, INotifyPropertyChanged
    {
        private ObservableCollection<Person> personList;

        public ObservableCollection<Person> PersonList
        {
            get { return personList; }
            set
            {
                personList = value;
                OnPropertyChanged();
            }
        }

        private string notify;

        public string Notify
        {
            get { return notify; }
            set
            {
                notify = value;
                OnPropertyChanged();
            }
        }


        public event PropertyChangedEventHandler PropertyChanged;

        private void OnPropertyChanged([CallerMemberName]string name = null)
        {
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(name));
        }

        public void OnNavigatedFrom(object obj)
        {
           
        }

        public async void OnNavigatedTo(object obj)
        {
            var watch = new Stopwatch();
            Debug.WriteLine("---------------Start");
            watch.Start();

            ////假设耗时1秒
            //Task.Run(()=> { DoBusyWork(); });
            ////耗时1秒