NVDA - 屏幕阅读器不宣布 ListView 项目

Question

我有一个带有 ListView 控件的 WPF 应用程序来显示错误列表。当我清除项目并将其添加到 ListView 时，Windows 旁白会宣布它们，但 NVDA 阅读器不会。

这是我的代码：

<Window x:Class="ListViewAccessibility.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    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"
    xmlns:local="clr-namespace:ListViewAccessibility"
    mc:Ignorable="d"
    Title="MainWindow" Height="450" Width="800">
<Grid>
    <StackPanel>
        <ListView x:Name="errorsListView" Margin="28,0,0,0"
            Height="150"
            ItemsSource="{Binding Path=ErrorItems}"
            AutomationProperties.Name="Errors"
            AutomationProperties.LiveSetting="Assertive"
            >
            <ListView.ItemTemplate>
                <DataTemplate >
                    <WrapPanel >
                        <TextBlock Text="{Binding ErrorText}" FontWeight="Bold"  
                               AutomationProperties.Name="{Binding ErrorText}" />
                    </WrapPanel>
                </DataTemplate>
            </ListView.ItemTemplate>
        </ListView>

        <Button Command="{Binding AddErrorCommand}">Add Item</Button>
    </StackPanel>
</Grid>

public partial class MainWindow : Window
{
    public MainWindow()
    {
        InitializeComponent();
        DataContext = new MainViewModel();
        ((INotifyCollectionChanged)errorsListView.Items).CollectionChanged += ListViewCollectionChanged;
    }

    private void ListViewCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
    {
        if (errorsListView.Items?.Count > 0)
        {
            RaiseListViewLiveRegionChanged();
        }
    }

    private void RaiseListViewLiveRegionChanged()
    {
        var peer = UIElementAutomationPeer.FromElement(errorsListView);
        if (peer == null)
        {
            peer = UIElementAutomationPeer.CreatePeerForElement(errorsListView);
        }
        peer.RaiseAutomationEvent(AutomationEvents.LiveRegionChanged);
    }
}




public class ErrorInfo
{
    public string ErrorText { get; set; }
}
public class MainViewModel : ViewModelBase
{
    public ObservableCollection<ErrorInfo> ErrorItems { get; } = new ObservableCollection<ErrorInfo>();

    private ICommand _addErrorCommand;
    public ICommand AddErrorCommand
    {
        get
        {
            return _addErrorCommand ?? (_addErrorCommand = new RelayCommand(() => AddError()));
        }
    }

    int idx = 0;
    private void AddError()
    {
        ErrorItems.Clear();
        ErrorItems.Add(new ErrorInfo() { ErrorText = $"New Error {idx++}" });
    }
}

Inspect.exe 结果