Merge pull request #182 from Soar360/main

为 Pagination 控件增加 CurrentPageChanged 事件

demo/Ursa.Demo/Pages/PaginationDemo.axaml

@@ -24,6 +24,8 @@
             PageSizeOptions="10, 20, 50, 100"
             ShowQuickJump="{Binding #quickJumperSelector.IsChecked}"
             ShowPageSizeSelector="{Binding #pageSizeSelector.IsChecked}"
+			Command="{Binding LoadPageCommand}"
+			CommandParameter="{Binding $self.CurrentPage}"
             TotalCount="600" />
     </StackPanel>
 </UserControl>

demo/Ursa.Demo/ViewModels/PaginationDemoViewModel.cs

@@ -1,11 +1,25 @@
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
+using System.Diagnostics;
+using System.Windows.Input;
 using Avalonia.Collections;
 using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
 
 namespace Ursa.Demo.ViewModels;
 
-public class PaginationDemoViewModel: ViewModelBase
+public class PaginationDemoViewModel : ViewModelBase
 {
     public AvaloniaList<int> PageSizes { get; set; } = new() { 10, 20, 50, 100 };
+
+    public ICommand LoadPageCommand { get; }
+    public PaginationDemoViewModel()
+    {
+        this.LoadPageCommand = new RelayCommand<int?>(LoadPage);
+    }
+
+    private void LoadPage(int? pageIndex)
+    {
+        Debug.WriteLine($"Loading page {pageIndex}");
+    }
 }