add more detailed examples of pagination

HandyControlDemo/ViewModel/PaginationDemoViewModel.cs

@@ -0,0 +1,68 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight.CommandWpf;
+using HandyControl.Data;
+using HandyControlDemo.Data;
+using HandyControlDemo.Service;
+
+namespace HandyControlDemo.ViewModel
+{
+    public class PaginationDemoViewModel : ViewModelBase
+    {
+        /// <summary>
+        ///     所有数据
+        /// </summary>
+        private readonly List<DemoDataModel> _totalDataList;
+
+        /// <summary>
+        ///     显示的数据
+        /// </summary>
+        private List<DemoDataModel> _dataList;
+
+        /// <summary>
+        ///     显示的数据
+        /// </summary>
+        public List<DemoDataModel> DataList
+        {
+            get => _dataList;
+            set => Set(ref _dataList, value);
+        }
+
+        /// <summary>
+        ///     页码
+        /// </summary>
+        private int _pageIndex = 1;
+
+        /// <summary>
+        ///     页码
+        /// </summary>
+        public int PageIndex
+        {
+            get => _pageIndex;
+            set => Set(ref _pageIndex, value);
+        }
+
+        public PaginationDemoViewModel(DataService dataService)
+        {
+            _totalDataList = dataService.GetDemoDataList(100);
+            DataList = _totalDataList.Take(10).ToList();
+        }
+
+        /// <summary>
+        ///     页码改变命令
+        /// </summary>
+        public RelayCommand<FunctionEventArgs<int>> PageUpdatedCmd =>
+            new Lazy<RelayCommand<FunctionEventArgs<int>>>(() =>
+                new RelayCommand<FunctionEventArgs<int>>(PageUpdated)).Value;
+
+        /// <summary>
+        ///     页码改变
+        /// </summary>
+        private void PageUpdated(FunctionEventArgs<int> info)
+        {
+            DataList = _totalDataList.Skip((info.Info - 1) * 10).Take(10).ToList();
+        }
+    }
+}

HandyControlDemo/ViewModel/ViewModelLocator.cs

@@ -21,6 +21,7 @@ namespace HandyControlDemo.ViewModel
             SimpleIoc.Default.Register<WindowDemoViewModel>();
             SimpleIoc.Default.Register<ContributorsViewModel>();
             SimpleIoc.Default.Register<StepBarDemoViewModel>();
+            SimpleIoc.Default.Register<PaginationDemoViewModel>();
         }
 
         public static ViewModelLocator Instance => new Lazy<ViewModelLocator>(() =>
@@ -42,6 +43,8 @@ namespace HandyControlDemo.ViewModel
 
         public StepBarDemoViewModel StepBarDemo => ServiceLocator.Current.GetInstance<StepBarDemoViewModel>();
 
+        public PaginationDemoViewModel PaginationDemo => ServiceLocator.Current.GetInstance<PaginationDemoViewModel>();
+
         #endregion
     }
 }