Audit_APP/ViewModel/StuffViewModel.cs

using GalaSoft.MvvmLight;
using Models;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Web.Services.Description;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Threading;

namespace Audit.ViewModel
{
    ///<Summary>
    /// StuffViewModel
    ///</Summary>
    public class StuffViewModel : ViewModelBase
    {
        private List<Product> products = new List<Product>();

        /// <summary>
        /// 所有原料
        /// </summary>
        public List<Product> Product
        {
            get
            {
                return products;
            }
            set
            {
                products = value;
                RaisePropertyChanged();
            }
        }

        /// <summary>
        /// StuffViewModeldl
        /// </summary>
        public StuffViewModel()
        {
            products = new ProductProvider().Select();
            DispatcherTimer timer = new DispatcherTimer();//每5秒调用一次Tick_Event
            timer.Interval = TimeSpan.FromSeconds(1); 
            timer.Tick += Tick_Event;
            timer.Start();
        }

        void Tick_Event(object sender, EventArgs e)
        {
            Product = new ProductProvider().Select();//扫描数据库
        }
    }
}