formula_manage/ViewModel/StuffViewModel.cs

using formula_manage.SQLModels;
using formula_manage.Windows;
using GalaSoft.MvvmLight;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Threading;

namespace formula_manage.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//初始化循环，每0.5秒调用一次Tick_Event
            {
                Interval = TimeSpan.FromSeconds(0.1)
            };
            timer.Tick += Tick_Event;
            timer.Start();
        }

        void Tick_Event(object sender, EventArgs e)//Tick_Event周期执行事件
        {
            if (Stuff.Button_sql == true)//获取按钮状态
            {
               // if (Stuff.Buttontype_sql == -1) Product = new ProductProvider().Select();
               // if (Stuff.Buttontype_sql == 0) Product = new ProductProvider().Selects0();
              //  if (Stuff.Buttontype_sql == 1) Product = new ProductProvider().Selects1();
              //  if (Stuff.Buttontype_sql == 2) Product = new ProductProvider().Selects2();
              //  if (Stuff.Buttontype_sql == 3) Product = new ProductProvider().Selects3();
                Stuff.Button_sql = false;//清除按钮状态
            }
        }
    }
}