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>