using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using BPA.Helper; using System.Collections.ObjectModel; namespace WPFDemo.Bb { public class ViewModel : NotifyBase { public ViewModel() { for (int i = 0; i < 30; i++) { class1s.Add(new Class1() { data1 = new Random().Next(1000, 2000), data2 = (byte)new Random().Next(0, 240), data3 = Convert.ToBoolean(new Random().Next(0, 1)), data4 = new Random().Next(3000, 4000).ToString(), data5 = (float)new Random().NextDouble() * 100, data6 = (ushort)new Random().Next(5000, 6000) }); } } public ObservableCollection class1s { get; set; } = new ObservableCollection(); } }