Audit_APP/ViewModel/PipesViewModel.cs

using Audit.View;
using GalaSoft.MvvmLight;
using Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Threading;

namespace Audit.ViewModel
{
    public class PipesViewModel : ViewModelBase
    {
        private List<Pipes> pipes = new List<Pipes>();



        public List<Pipes> Pipes
        {
            get
            {
                return pipes;
            }
            set
            {
                pipes = value;
                RaisePropertyChanged();
            }
        }

        public PipesViewModel()
        {
            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 (PipesView.Button_pipessql == true)
            {
                new PipesProvider().Select();
                PipesView.Button_pipessql = false;
            }
        }
    }
}