now you can use ItemsSource on CoverView (for net>=4.5)

HandyControlDemo/ViewModel/Main/ContributorsViewModel.cs

@@ -1,27 +1,11 @@
-using System.Collections.Generic;
-using System.Threading.Tasks;
-using GalaSoft.MvvmLight;
+using System.Threading.Tasks;
 using HandyControlDemo.Data;
 using HandyControlDemo.Service;
 
 namespace HandyControlDemo.ViewModel
 {
-    public class ContributorsViewModel : ViewModelBase
+    public class ContributorsViewModel : DemoViewModelBase<ContributorModel>
     {
-        /// <summary>
-        ///     数据列表
-        /// </summary>
-        private List<ContributorModel> _dataList;
-
-        /// <summary>
-        ///     数据列表
-        /// </summary>
-        public List<ContributorModel> DataList
-        {
-            get => _dataList;
-            set => Set(ref _dataList, value);
-        }
-
         public ContributorsViewModel(DataService dataService)
         {
             Task.Run(() =>