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 MainViewModel : ViewModelBase { public MainViewModel() { DispatcherTimer timer = new DispatcherTimer//初始化循环,每1秒调用一次Tick_Event { Interval = TimeSpan.FromSeconds(1) }; timer.Tick += Tick_Event; timer.Start(); } void Tick_Event(object sender, EventArgs e)//Tick_Event周期执行事件 { } } }