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 { /// /// RRODUCTiewModel /// public class RRODUCTiewModel : ViewModelBase { /// /// StuffViewModeldl /// public RRODUCTiewModel() { //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 { } } }