WPF定时刷新UI界面

提示：扫一扫查出行
【扫一扫了解最新限行尾号】
复制提示

代码：

using NHibernate.Criterion;

using System;

using System.Collections.Generic;

using System.Collections.ObjectModel;

using System.ComponentModel;

using System.Data;

using System.Linq;

using System.Text;

using System.Threading;

using System.Windows;

using System.Windows.Controls;

using System.Windows.Data;

using System.Windows.Documents;

using System.Windows.Input;

using System.Windows.Media;

using System.Windows.Media.Imaging;

using System.Windows.Navigation;

using System.Windows.Shapes;

using Visifire.Charts;

namespace SunCreate.CombatPlatform.Client

{

    public partial class MainPage : UserControl

    {

        private System.Timers.Timer timerNotice = null;

        public MainPage()

        {

            InitializeComponent();

        }

        private void MainPage_Loaded(object sender, RoutedEventArgs e)

        {

            #region 通知公告

            if (timerNotice == null)

            {

                BindNotice();

                timerNotice = new System.Timers.Timer();

                timerNotice.Elapsed += new System.Timers.ElapsedEventHandler((o, eea) =>

                {

                    BindNotice();

                });

                timerNotice.Interval =  * ;

                timerNotice.Start();

            }

            #endregion

        }

        private void MainPage_SizeChanged(object sender, SizeChangedEventArgs e)

        {

        }

        #region 绑定通知公告

        private void BindNotice()

        {

            System.Threading.Tasks.Task.Factory.StartNew(() =>

            {

                try

                {

                    int total = ;

                    TES_NOTICE info = new TES_NOTICE();

                    IList<TES_NOTICE> list = new List<TES_NOTICE>();

                    list = HI.Get<INoticeService>().GetListPage(null, DateTime.MinValue, DateTime.MinValue, , , ref total);

                    Dispatcher.Invoke(new Action(() =>

                    {

                        noticeListView.ItemsSource = list;

                    }));

                }

                catch

                {

                }

            });

        }

        #endregion

    }

}

说明：在 System.Timers.Timer 的事件中使用 BackgroundWorker 是无效的，即如下代码不能正常刷新界面：

using NHibernate.Criterion;

using System;

using System.Collections.Generic;

using System.Collections.ObjectModel;

using System.ComponentModel;

using System.Data;

using System.Linq;

using System.Text;

using System.Threading;

using System.Windows;

using System.Windows.Controls;

using System.Windows.Data;

using System.Windows.Documents;

using System.Windows.Input;

using System.Windows.Media;

using System.Windows.Media.Imaging;

using System.Windows.Navigation;

using System.Windows.Shapes;

using Visifire.Charts;

namespace SunCreate.CombatPlatform.Client

{

    public partial class MainPage : UserControl

    {

        private System.Timers.Timer timerNotice = null;

        public MainPage()

        {

            InitializeComponent();

        }

        private void MainPage_Loaded(object sender, RoutedEventArgs e)

        {

            #region 通知公告

            if (timerNotice == null)

            {

                BindNotice();

                timerNotice = new System.Timers.Timer();

                timerNotice.Elapsed += new System.Timers.ElapsedEventHandler((o, eea) =>

                {

                    BindNotice();

                });

                timerNotice.Interval =  * ;

                timerNotice.Start();

            }

            #endregion

        }

        private void MainPage_SizeChanged(object sender, SizeChangedEventArgs e)

        {

        }

        #region 绑定通知公告

        private void BindNotice()

        {

            PT_USER_INFO user = new PT_USER_INFO();

            IList<TES_COMBAT_TASK> taskList = new List<TES_COMBAT_TASK>();

            BackgroundWorker worker = new BackgroundWorker();

            worker.DoWork += (s, e) =>

            {

                user = HI.Get<Cache.ICacheService>().UserCache.GetCurrentUserInfo();

                taskList = HI.Get<ITaskService>().GetCombatTaskByUserIDUnfinished(user.ID.ToString());

            };

            worker.RunWorkerCompleted += (s, e) =>

            {

                try

                {

                    taskListView.ItemsSource = taskList;

                }

                catch { }

            };

            worker.RunWorkerAsync();

        }

        #endregion

    }

}