在WPF中的任何地方自动完成ComboBox的文本(不仅仅是开始)

Install-Package WPFToolkit

xmlns:toolkit="http://schemas.xceed.com/wpf/xaml/toolkit"

<toolkit:AutoCompleteBox ItemsSource="{Binding DataList}" SelectedItem="{Binding SelectedData}" />

public class MainViewModel : INotifyPropertyChanged
{
    private List<string> _dataList;
    public List<string> DataList
    {
        get { return _dataList; }
        set
        {
            _dataList = value;
            OnPropertyChanged("DataList");
        }
    }

    private string _selectedData;
    public string SelectedData
    {
        get { return _selectedData; }
        set
        {
            _selectedData = value;
            OnPropertyChanged("SelectedData");
        }
    }

    public event PropertyChangedEventHandler PropertyChanged;
    protected virtual void OnPropertyChanged(string propertyName)
    {
        PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
    }
}

public MainViewModel()
{
    DataList = new List<string> { "Apple", "Banana", "Cherry", "Dog", "Elephant", "Fish", "Giraffe", "Horse", "Igloo", "Jacket", "Kangaroo", "Lemon", "Mango", "Nest", "Orange", "Penguin", "Queen", "Rabbit", "Snake", "Turtle", "Umbrella", "Violin", "Watermelon", "Xylophone", "Yak", "Zebra" };
    SelectedData = DataList.FirstOrDefault();
}