WPF TreeView,Expander样式使用

"lineConverter">"Expander.MouseOver.Circle.Stroke" Color="#FF3C7FB1"/>
        "Expander.MouseOver.Circle.Fill" Color="Transparent"/>
        "Expander.MouseOver.Arrow.Stroke" Color="#222"/>
        "Expander.Pressed.Circle.Stroke" Color="#FF526C7B"/>
        "Expander.Pressed.Circle.Fill" Color="Transparent"/>
        "Expander.Pressed.Arrow.Stroke" Color="#FF003366"/>
        "Expander.Disabled.Circle.Stroke" Color="DarkGray"/>
        "Expander.Disabled.Circle.Fill" Color="Transparent"/>
        "Expander.Disabled.Arrow.Stroke" Color="#666"/>
        "Expander.Static.Circle.Fill" Color="Transparent"/>
        "Expander.Static.Circle.Stroke" Color="DarkGray"/>
        "Expander.Static.Arrow.Stroke" Color="#666"/>
        




"Auto">"0">
            "{DynamicResource ExpanderStyle1}"  VerticalAlignment="Stretch" ExpandDirection="Right" HorizontalAlignment="Left" SnapsToDevicePixels="True">
                "300">
                        "tvProperties" Style="{Binding }" Width="250" Padding="0" Margin="0" BorderThickness="1" ItemsSource="{Binding TreeNodeCollection}">
                            
                            "{x:Type local:PropertyNodeItem}" ItemsSource="{Binding Path=Children}">
                                    "Horizontal">
                                        "16" Height="16" Visibility="{Binding CheckBoxVis}" IsChecked="{Binding ItemChecked,Mode=TwoWay}">"Center" Source="{Binding ItemImage}" Width="16" Height="16" Margin="0,0,2,2">"Center" Text="{Binding DisplayName}">"Center" Source="{Binding EditItemImage}" Margin="2,0,0,0">"Center" Text="{Binding Name}" TextWrapping="Wrap" MaxWidth="200">"2" ItemsSource="{Binding itemCollections}" AutoGenerateColumns="False" CanUserAddRows="False">
            "1111lie">
                    "100">"{Binding lableString}" Grid.Column="0">
                                "{Binding comboxItems}" Grid.Column="1">

 public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            DataContext = this;
            BuildData();
            ShowTreeView(FilePath);
        }

        private void BuildData()
        {
            _itemCollect = new ObservableCollection();
            BindData data1 = new BindData() { lableString = "Sort 1", comboxItems = new Liststring>() { "1", "2", "3" } };
            BindData data2 = new BindData() { lableString = "Sort 2", comboxItems = new Liststring>() { "4", "5", "6" } };
            _itemCollect.Add(data1);
            _itemCollect.Add(data2);
        }

        private ObservableCollection _itemCollect;
        public ObservableCollection itemCollections
        {
            get { return _itemCollect; }
            set { _itemCollect = value; }
        }

        private ObservableCollection _treeNodeCollection;
        public ObservableCollection TreeNodeCollection
        {
            get { return _treeNodeCollection; }
            set { _treeNodeCollection = value; }
        }

        private const string FilePath = @"D:\VS\WpfGrid\WpfGrid";

        private void ShowTreeView(string path)
        {
            DirectoryInfo dicInfo = new DirectoryInfo(path);
            PropertyNodeItem rootNode = new PropertyNodeItem() { DisplayName = dicInfo.Name };
            _treeNodeCollection = new ObservableCollection();
            GetTreeNode(dicInfo, rootNode);
            foreach (var child in rootNode.Children)
            {
                TreeNodeCollection.Add(child);
            }

        }

        private void GetTreeNode(DirectoryInfo dicInfo, PropertyNodeItem rootNode)
        {
            List itemList = new List();
            DirectoryInfo[] allDirs = dicInfo.GetDirectories();

            foreach (DirectoryInfo d in allDirs)
            {
                PropertyNodeItem parentItem = new PropertyNodeItem()
                {
                    DisplayName = d.Name,
                    ParentNode = rootNode
                };
                itemList.Add(parentItem);

                GetTreeNode(d, parentItem);
            }

            FileInfo[] files = dicInfo.GetFiles();
            foreach (var file in files)
            {
                PropertyNodeItem propertyitem = new PropertyNodeItem()
                {
                    DisplayName = file.Name,
                    ParentNode = rootNode,
                    IsLeafNode = true,
                    IsEditNode = true,
                    CheckBoxVis = Visibility.Visible
                };
                itemList.Add(propertyitem);
            }
     

            rootNode.Children = itemList;
        }
    }

    public class LineConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            TreeViewItem item = (TreeViewItem)value;
            ItemsControl ic = ItemsControl.ItemsControlFromItemContainer(item);
            return ic.ItemContainerGenerator.IndexFromContainer(item) == ic.Items.Count - 1;
        }
        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            return false;
        }
    }

    public class BindData
    {
        public string lableString { get; set; }
        public Liststring> comboxItems { get; set; }

    }

public class PropertyNodeItem : BaseModel
    {
        public string Icon { get; set; }
        public string EditIcon { get; set; }
        public string DisplayName { get; set; }
        public string Name { get; set; }

        public PropertyNodeItem ParentNode { get; set; }

        public IEnumerable Children { get; set; }
        public PropertyNodeItem()
        {
            Children = new List();
        }

        private bool _isExpanded;
        public bool IsExpanded
        {
            get { return _isExpanded; }
            set
            {
                if (value != _isExpanded)
                {
                    _isExpanded = value;
                    OnPropertyChanged("IsExpanded");
                    OnPropertyChanged("ItemImage");
                }
            }
        }

        private bool _isSelected;
        public bool IsSelected
        {
            get { return _isSelected; }
            set
            {
                if (value != _isSelected)
                {
                    _isSelected = value;
                    OnPropertyChanged("IsSelected");
                }
            }
        }

        private bool _isLeafNode;
        public bool IsLeafNode
        {
            get { return _isLeafNode; }
            set { _isLeafNode = value; }
        }

        private bool _isEditNode;
        public bool IsEditNode
        {
            get { return _isEditNode; }
            set { _isEditNode = value; }
        }

        public ImageSource ItemImage
        {
            get
            {
                if (IsLeafNode)
                    return GetBitmapImage("md.png"); ;
                //if (!IsActive)
                //    return GetBitmapImage("FolderDeactivated16.ico");

                if (IsExpanded)
                    return GetBitmapImage("fp.ico");
                else
                    return GetBitmapImage("fc.ico");
            }

        }

        public ImageSource EditItemImage
        {
            get
            {
                if (IsEditNode)
                    return GetBitmapImage("mu.png");
                else
                    return null;
            }

        }

        private BitmapImage GetBitmapImage(string mapName)
        {
            string mapPath = string.Format("pack://application:,,,/WpfGrid;component/Image/" + mapName);
            BitmapImage tu = new BitmapImage(new Uri(mapPath.ToString(), UriKind.RelativeOrAbsolute));
            return tu;
        }

        Visibility _checkBoxVis = Visibility.Collapsed;
        public Visibility CheckBoxVis
        {
            get { return _checkBoxVis; }
            set { _checkBoxVis = value; }
        }

        private bool _itemChecked;
        public bool ItemChecked
        {
            get { return _itemChecked; }
            set { _itemChecked = value; }
        }

    }