using System.Collections;
using System.Collections.Specialized;
using System.Windows;
using System.Windows.Controls;
namespace WPFDevelopers.Controls
public class BreadCrumbBar : ListBox
static BreadCrumbBar()
DefaultStyleKeyProperty.OverrideMetadata(typeof(BreadCrumbBar), new FrameworkPropertyMetadata(typeof(BreadCrumbBar)));
public override void OnApplyTemplate()
base.OnApplyTemplate();
protected override void OnSelectionChanged(SelectionChangedEventArgs e)
base.OnSelectionChanged(e);
for (int i = 0; i <= SelectedIndex; i++)
var item = (ListBoxItem)ItemContainerGenerator.ContainerFromIndex(i);
if (item == null) continue;
if (!item.IsEnabled)
item.IsEnabled = true;
for (int i = Items.Count - 1; i > SelectedIndex; i--)
var item = (ListBoxItem)ItemContainerGenerator.ContainerFromIndex(i);
if (item == null) continue;
if(item.IsEnabled)
item.IsEnabled = false;
protected override bool IsItemItsOwnContainerOverride(object item)
return item is BreadCrumbBarItem;
protected override DependencyObject GetContainerForItemOverride()
return new BreadCrumbBarItem();
2）创建 BreadCrumbBarItem.cs 代码如下:
using System;
using System.Windows;
using System.Windows.Controls;
namespace WPFDevelopers.Controls
public class BreadCrumbBarItem : ListBoxItem
private static readonly Type _typeofSelf = typeof(BreadCrumbBarItem);
static BreadCrumbBarItem()
DefaultStyleKeyProperty.OverrideMetadata(_typeofSelf,
new FrameworkPropertyMetadata(_typeofSelf));
using System;
using System.Globalization;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
namespace WPFDevelopers.Converts
public class BreadCrumbBarConvertr : IMultiValueConverter
public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
var item = values[0] as ListBoxItem;
var listBox = ItemsControl.ItemsControlFromItemContainer(item) as ListBox;
if (listBox == null) return Visibility.Collapsed;
var arrayIndex = listBox.ItemContainerGenerator.IndexFromContainer(item);
if (arrayIndex == 0)
return Visibility.Collapsed;
return Visibility.Visible;
public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture)
throw new NotImplementedException();
using System.Collections.Generic;
using System;
using System.Windows.Controls;
using System.Collections.ObjectModel;
using System.Windows;
using System.Reflection;
namespace WPFDevelopers.Samples.ExampleViews
/// <summary>
/// StepExample.xaml 的交互逻辑
/// </summary>
public partial class BreadCrumbBarExample : UserControl
private int index = 0;
private List<BreadcrumbItem> Breadcrumbs = new List<BreadcrumbItem>();
public ObservableCollection<BreadcrumbItem> BreadcrumbItems
get { return (ObservableCollection<BreadcrumbItem>)GetValue(BreadcrumbItemsProperty); }
set { SetValue(BreadcrumbItemsProperty, value); }
public static readonly DependencyProperty BreadcrumbItemsProperty =
DependencyProperty.Register("BreadcrumbItems", typeof(ObservableCollection<BreadcrumbItem>), typeof(BreadCrumbBarExample), new PropertyMetadata(null));
public BreadcrumbItem BreadcrumbItem
get { return (BreadcrumbItem)GetValue(BreadcrumbItemProperty); }
set { SetValue(BreadcrumbItemProperty, value); }
public static readonly DependencyProperty BreadcrumbItemProperty =
DependencyProperty.Register("BreadcrumbItem", typeof(BreadcrumbItem), typeof(BreadCrumbBarExample), new PropertyMetadata(null));
public BreadCrumbBarExample()
InitializeComponent();
Loaded += BreadCrumbBarExample_Loaded;
private void BreadCrumbBarExample_Loaded(object sender, RoutedEventArgs e)
var breadcrumbItems = new List<BreadcrumbItem>()
new BreadcrumbItem() { Text = "主页" , Uri=new Uri("pack://application:,,,/WPFDevelopers.Samples;component/ExampleViews/DrawerMenu/HomePage.xaml",UriKind.Absolute ) },
new BreadcrumbItem() { Text = "Edge", Uri=new Uri("pack://application:,,,/WPFDevelopers.Samples;component/ExampleViews/DrawerMenu/EdgePage.xaml" ,UriKind.Absolute ) },
new BreadcrumbItem() { Text = "邮件", Uri=new Uri("pack://application:,,,/WPFDevelopers.Samples;component/ExampleViews/DrawerMenu/EmailPage.xaml" ,UriKind.Absolute ) },
Breadcrumbs = breadcrumbItems;
myFrame.Navigate(Breadcrumbs[index].Uri);
BreadcrumbItems = new ObservableCollection<BreadcrumbItem>() { Breadcrumbs[index] };
private void BreadCrumbBar_SelectionChanged(object sender, SelectionChangedEventArgs e)
myFrame.Navigate(BreadcrumbItem.Uri);
index = BreadcrumbItems.IndexOf(BreadcrumbItem);
private void btnNext_Click(object sender, RoutedEventArgs e)
index += 1;
if (index >= Breadcrumbs.Count) return;
var model = Breadcrumbs[index];
if (BreadcrumbItems.Contains(model))
BreadcrumbItem = model;
return;
BreadcrumbItems.Add(model);
BreadcrumbItem = model;
public class BreadcrumbItem
public string Text { get; set; }
public Uri Uri { get; set; }
