ObserwableCollection中的SearchBar并列出MVVM

public class SearchResultModel
{
    public string Title { get; set; }
    public string Description { get; set; }
    // 其他属性
}

public class SearchViewModel : INotifyPropertyChanged
{
    private ObservableCollection<SearchResultModel> searchResults;
    private string searchText;

    public ObservableCollection<SearchResultModel> SearchResults
    {
        get { return searchResults; }
        set
        {
            searchResults = value;
            OnPropertyChanged(nameof(SearchResults));
        }
    }

    public string SearchText
    {
        get { return searchText; }
        set
        {
            searchText = value;
            OnPropertyChanged(nameof(SearchText));
            PerformSearch();
        }
    }

    public SearchViewModel()
    {
        SearchResults = new ObservableCollection<SearchResultModel>();
    }

    private void PerformSearch()
    {
        // 在此处执行搜索逻辑，将搜索结果添加到SearchResults集合中
    }

    // 实现INotifyPropertyChanged接口，用于通知View更新数据绑定
    public event PropertyChangedEventHandler PropertyChanged;
    private void OnPropertyChanged(string propertyName)
    {
        PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
    }
}

<Window.DataContext>
    <local:SearchViewModel />
</Window.DataContext>

<Grid>
    <Grid.RowDefinitions>
        <RowDefinition Height="Auto" />
        <RowDefinition />
    </Grid.RowDefinitions>

    <TextBox Text="{Binding SearchText, UpdateSourceTrigger=PropertyChanged}" />
    <ListBox Grid.Row="1" ItemsSource="{Binding SearchResults}">
        <ListBox.ItemTemplate>
            <DataTemplate>
                <StackPanel>
                    <TextBlock Text="{Binding Title}" />
                    <TextBlock Text="{Binding Description}" />
                    <!-- 其他UI元素 -->
                </StackPanel>
            </DataTemplate>
        </ListBox.ItemTemplate>
    </ListBox>
</Grid>