C# Avalonia 19- DataBinding- CheckBoxList

CheckBoxList.axaml代码

<Window xmlns="https://github.com/avaloniaui"xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"xmlns:d="http://schemas.microsoft.com/expression/blend/2008"xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"Height="300" Width="300"xmlns:local="using:AvaloniaUI.Demos.Book._19.StoreDatabase"x:Class="AvaloniaUI.CheckBoxListTest"Title="CheckBoxList"><Window.Styles><!-- 为特定的 ListBox（Class = checkbox-list）设置多选模式 --><Style Selector="ListBox.checkbox-list"><Setter Property="SelectionMode" Value="Multiple"/></Style><Style Selector="ListBox.checkbox-list ListBoxItem"><Setter Property="Margin" Value="2"/><Setter Property="Template"><ControlTemplate TargetType="ListBoxItem"><CheckBoxFocusable="False"IsChecked="{TemplateBinding IsSelected, Mode=TwoWay}"><ContentPresenter Content="{TemplateBinding Content}" /></CheckBox></ControlTemplate></Setter></Style></Window.Styles><Grid Margin="8" RowDefinitions="*,auto"><ListBox x:Name="lstProducts"Classes="checkbox-list"Grid.Row="0"><ListBox.ItemTemplate><DataTemplate x:DataType="local:Product"><TextBlock Text="{Binding ModelName}" /></DataTemplate></ListBox.ItemTemplate></ListBox><Button Grid.Row="1"Margin="0,5,0,0"Click="cmdGetSelectedItems">Get Selected Items</Button></Grid>
</Window>

CheckBoxList.axaml.cs代码

using Avalonia;
using Avalonia.Controls;
using Avalonia.Interactivity;
using AvaloniaUI.Demos.Book._19.StoreDatabase;
using Shares.Avalonia;namespace AvaloniaUI;public partial class CheckBoxListTest : Window
{private StoreDb1 db = new StoreDb1();public CheckBoxListTest(){InitializeComponent();lstProducts.ItemsSource = db.GetProducts();//this.Load("avares://Shares/Avalonia/Styles/Styles.axaml");}private void cmdGetSelectedItems(object? sender, RoutedEventArgs e){if (lstProducts.SelectedItems?.Count > 0){string items = "You selected: ";foreach (Product product in lstProducts.SelectedItems){items += "\n  * " + product.ModelName;}MessageBox.Show(this,items);}}
}

运行效果