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WPF TreeView,Expander样式使用

时间：2018-09-28 17:44:21      阅读：523      评论：0      收藏：0      [点我收藏+]

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技术分享图片

效果如图，treeview 跟 expander的样式。

技术分享图片 
<Window.Resources>
        <local:LineConverter x:Key="lineConverter"></local:LineConverter>
        <SolidColorBrush x:Key="Expander.MouseOver.Circle.Stroke" Color="#FF3C7FB1"/>
        <SolidColorBrush x:Key="Expander.MouseOver.Circle.Fill" Color="Transparent"/>
        <SolidColorBrush x:Key="Expander.MouseOver.Arrow.Stroke" Color="#222"/>
        <SolidColorBrush x:Key="Expander.Pressed.Circle.Stroke" Color="#FF526C7B"/>
        <SolidColorBrush x:Key="Expander.Pressed.Circle.Fill" Color="Transparent"/>
        <SolidColorBrush x:Key="Expander.Pressed.Arrow.Stroke" Color="#FF003366"/>
        <SolidColorBrush x:Key="Expander.Disabled.Circle.Stroke" Color="DarkGray"/>
        <SolidColorBrush x:Key="Expander.Disabled.Circle.Fill" Color="Transparent"/>
        <SolidColorBrush x:Key="Expander.Disabled.Arrow.Stroke" Color="#666"/>
        <SolidColorBrush x:Key="Expander.Static.Circle.Fill" Color="Transparent"/>
        <SolidColorBrush x:Key="Expander.Static.Circle.Stroke" Color="DarkGray"/>
        <SolidColorBrush x:Key="Expander.Static.Arrow.Stroke" Color="#666"/>
        <Style x:Key="ExpanderRightHeaderStyle" TargetType="{x:Type ToggleButton}">
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="{x:Type ToggleButton}">
                        <Border Padding="{TemplateBinding Padding}">
                            <Grid Background="Transparent" SnapsToDevicePixels="False">

                                <Grid>
                                    <Grid.LayoutTransform>
                                        <TransformGroup>
                                            <TransformGroup.Children>
                                                <TransformCollection>
                                                    <RotateTransform Angle="90"/>
                                                </TransformCollection>
                                            </TransformGroup.Children>
                                        </TransformGroup>
                                    </Grid.LayoutTransform>
                                    <Rectangle x:Name="circle" Fill="{StaticResource Expander.Static.Circle.Fill}" HorizontalAlignment="Center" Height="19" Stroke="{StaticResource Expander.Static.Circle.Stroke}" VerticalAlignment="Center" Width="30"/>
                                    <Path x:Name="arrow" Data="M 1,1.5 L 4.5,5 L 8,1.5" HorizontalAlignment="Center" SnapsToDevicePixels="false" Stroke="{StaticResource Expander.Static.Arrow.Stroke}" StrokeThickness="2" VerticalAlignment="Center"/>
                                </Grid>
                                <ContentPresenter HorizontalAlignment="Center" Margin="0,4,0,0" Grid.Row="1" RecognizesAccessKey="True" SnapsToDevicePixels="True" VerticalAlignment="Top"/>

                            </Grid>
                        </Border>
                        <ControlTemplate.Triggers>
                            <Trigger Property="IsChecked" Value="true">
                                <Setter Property="Data" TargetName="arrow" Value="M 1,4.5  L 4.5,1  L 8,4.5"/>
                            </Trigger>
                            <Trigger Property="IsMouseOver" Value="true">
                                <Setter Property="Stroke" TargetName="circle" Value="{StaticResource Expander.MouseOver.Circle.Stroke}"/>
                                <Setter Property="Fill" TargetName="circle" Value="{StaticResource Expander.MouseOver.Circle.Fill}"/>
                                <Setter Property="Stroke" TargetName="arrow" Value="{StaticResource Expander.MouseOver.Arrow.Stroke}"/>
                            </Trigger>
                            <Trigger Property="IsPressed" Value="true">
                                <Setter Property="StrokeThickness" TargetName="arrow" Value="1.5"/>
                            </Trigger>
                            <Trigger Property="IsEnabled" Value="false">
                                <Setter Property="Stroke" TargetName="circle" Value="{StaticResource Expander.Disabled.Circle.Stroke}"/>
                                <Setter Property="Fill" TargetName="circle" Value="{StaticResource Expander.Disabled.Circle.Fill}"/>
                                <Setter Property="Stroke" TargetName="arrow" Value="{StaticResource Expander.Disabled.Arrow.Stroke}"/>
                            </Trigger>
                        </ControlTemplate.Triggers>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>

        <Style x:Key="ExpanderLeftHeaderStyle" TargetType="{x:Type ToggleButton}">
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="{x:Type ToggleButton}">
                        <Border Padding="{TemplateBinding Padding}">
                            <Grid Background="Transparent" SnapsToDevicePixels="False">

                                <Grid>
                                    <Grid.LayoutTransform>
                                        <TransformGroup>
                                            <TransformGroup.Children>
                                                <TransformCollection>
                                                    <RotateTransform Angle="90"/>
                                                </TransformCollection>
                                            </TransformGroup.Children>
                                        </TransformGroup>
                                    </Grid.LayoutTransform>
                                    <Rectangle x:Name="circle" Fill="{StaticResource Expander.Static.Circle.Fill}" HorizontalAlignment="Center" Height="19" Stroke="{StaticResource Expander.Static.Circle.Stroke}" VerticalAlignment="Center" Width="30"/>
                                    <Path x:Name="arrow" Data="M 1,4.5  L 4.5,1  L 8,4.5" HorizontalAlignment="Center" SnapsToDevicePixels="false" Stroke="{StaticResource Expander.Static.Arrow.Stroke}" StrokeThickness="2" VerticalAlignment="Center"/>
                                </Grid>
                                <ContentPresenter HorizontalAlignment="Center" Margin="0,4,0,0" Grid.Row="1" RecognizesAccessKey="True" SnapsToDevicePixels="True" VerticalAlignment="Top"/>
                            </Grid>
                        </Border>
                        <ControlTemplate.Triggers>
                            <Trigger Property="IsChecked" Value="true">
                                <Setter Property="Data" TargetName="arrow" Value="M 1,1.5 L 4.5,5 L 8,1.5"/>
                            </Trigger>
                            <Trigger Property="IsMouseOver" Value="true">
                                <Setter Property="Stroke" TargetName="circle" Value="{StaticResource Expander.MouseOver.Circle.Stroke}"/>
                                <Setter Property="Fill" TargetName="circle" Value="{StaticResource Expander.MouseOver.Circle.Fill}"/>
                                <Setter Property="Stroke" TargetName="arrow" Value="{StaticResource Expander.MouseOver.Arrow.Stroke}"/>
                            </Trigger>
                            <Trigger Property="IsPressed" Value="true">
                                <Setter Property="StrokeThickness" TargetName="arrow" Value="1.5"/>

                            </Trigger>
                            <Trigger Property="IsEnabled" Value="false">
                                <Setter Property="Stroke" TargetName="circle" Value="{StaticResource Expander.Disabled.Circle.Stroke}"/>
                                <Setter Property="Fill" TargetName="circle" Value="{StaticResource Expander.Disabled.Circle.Fill}"/>
                                <Setter Property="Stroke" TargetName="arrow" Value="{StaticResource Expander.Disabled.Arrow.Stroke}"/>
                            </Trigger>
                        </ControlTemplate.Triggers>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>
        
        <Style x:Key="ExpanderHeaderFocusVisual">
            <Setter Property="Control.Template">
                <Setter.Value>
                    <ControlTemplate>
                        <Border>
                            <Rectangle Margin="0" SnapsToDevicePixels="true" Stroke="Black" StrokeThickness="1" StrokeDashArray="1 2"/>
                        </Border>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>

        <Style x:Key="ExpanderStyle1" TargetType="{x:Type Expander}">
            <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/>
            <Setter Property="Background" Value="Transparent"/>
            <Setter Property="HorizontalContentAlignment" Value="Stretch"/>
            <Setter Property="VerticalContentAlignment" Value="Stretch"/>
            <Setter Property="BorderBrush" Value="Transparent"/>
            <Setter Property="BorderThickness" Value="1"/>
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="{x:Type Expander}">
                        <Border BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" CornerRadius="3" SnapsToDevicePixels="true">
                            <DockPanel>
                                <ToggleButton x:Name="HeaderSite" 
                                    ContentTemplate="{TemplateBinding HeaderTemplate}"
                                    ContentTemplateSelector="{TemplateBinding HeaderTemplateSelector}"
                                    Content="{TemplateBinding Header}" DockPanel.Dock="Top" 
                                    Foreground="{TemplateBinding Foreground}" FontWeight="{TemplateBinding FontWeight}"
                                    FocusVisualStyle="{StaticResource ExpanderHeaderFocusVisual}" FontStyle="{TemplateBinding FontStyle}" 
                                    FontStretch="{TemplateBinding FontStretch}" FontSize="{TemplateBinding FontSize}" 
                                    FontFamily="{TemplateBinding FontFamily}"
                                    HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
                                    IsChecked="{Binding IsExpanded, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}"
                                    Margin="1" MinWidth="0" MinHeight="0" Padding="{TemplateBinding Padding}" 
                                    Style="{StaticResource ExpanderLeftHeaderStyle}" 
                                    VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"/>
                                <ContentPresenter x:Name="ExpandSite" DockPanel.Dock="Bottom" Focusable="false" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" Visibility="Collapsed" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
                            </DockPanel>
                        </Border>
                        <ControlTemplate.Triggers>
                            <Trigger Property="IsExpanded" Value="true">
                                <Setter Property="Visibility" TargetName="ExpandSite" Value="Visible"/>
                            </Trigger>
                            <Trigger Property="ExpandDirection" Value="Right">
                                <Setter Property="DockPanel.Dock" TargetName="ExpandSite" Value="Right"/>
                                <Setter Property="DockPanel.Dock" TargetName="HeaderSite" Value="Left"/>
                                <Setter Property="Style" TargetName="HeaderSite" Value="{StaticResource ExpanderRightHeaderStyle}"/>
                            </Trigger>
                            <Trigger Property="IsEnabled" Value="false">
                                <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/>
                            </Trigger>
                        </ControlTemplate.Triggers>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>

        <Style x:Key="ExpandCollapseToggleStyle" TargetType="ToggleButton">
            <Setter Property="Focusable" Value="False"/>
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="ToggleButton">
                        <Grid Width="15" Height="13" SnapsToDevicePixels="True">
                            <!-- Rectangle 9x9 pixels -->
                            <Rectangle Width="9" Height="9" Stroke="#919191" SnapsToDevicePixels="true">
                                <Rectangle.Fill>
                                    <LinearGradientBrush EndPoint="0.5,2" StartPoint="0.5,0">
                                        <GradientStop Color="White" Offset="0"/>
                                        <GradientStop Color="Silver" Offset="0.5"/>
                                        <GradientStop Color="LightGray" Offset="1"/>
                                    </LinearGradientBrush>
                                </Rectangle.Fill>
                            </Rectangle>
                            <!-- 画一个垂直方向的直线 -->
                            <Rectangle x:Name="ExpandPath" Width="1" Height="5" Stroke="Black" SnapsToDevicePixels="true"/>
                            <!-- 画一个水平方向的直线 -->
                            <Rectangle Width="5" Height="1" Stroke="Black" SnapsToDevicePixels="true"/>
                        </Grid>
                        <ControlTemplate.Triggers>
                            <!-- 通过IsChecked判断折叠还是展开 -->
                            <Trigger Property="IsChecked" Value="True">
                                <Setter Property="Visibility" TargetName="ExpandPath" Value="Collapsed"/>
                            </Trigger>
                        </ControlTemplate.Triggers>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>
        <Style TargetType="{x:Type TreeViewItem}">
            <Setter Property="Background" Value="Transparent"/>
            <Setter Property="IsExpanded" Value="{Binding IsExpanded, Mode=TwoWay}"></Setter>
            <Setter Property="IsSelected" Value="{Binding IsSelected,Mode=TwoWay}"></Setter>
            <Setter Property="Margin" Value="0,5,0,10"></Setter>
            <!--<Setter Property="HorizontalContentAlignment" Value="{Binding HorizontalContentAlignment, RelativeSource={RelativeSource AncestorType={x:Type ItemsControl}}}"/>-->
            <!--<Setter Property="VerticalContentAlignment" Value="{Binding VerticalContentAlignment, RelativeSource={RelativeSource AncestorType={x:Type ItemsControl}}}"/>-->
            <Setter Property="HorizontalContentAlignment" Value="Center"/>
            <Setter Property="VerticalContentAlignment" Value="Center"/>
            <Setter Property="Padding" Value="2"/>
            <Setter Property="Foreground" Value="#FF565656"/>
            <Setter Property="FontFamily" Value="FZLTZHUNHK"/>
            <Setter Property="FontSize" Value="18"/>
            <Setter Property="BorderThickness" Value="0"/>
            <!--<Setter Property="FocusVisualStyle" Value="{StaticResource TreeViewItemFocusVisual}"/>-->
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="{x:Type TreeViewItem}">
                        <Grid>
                            <Grid.ColumnDefinitions>
                                <ColumnDefinition MinWidth="19" Width="Auto"/>
                                <ColumnDefinition MinWidth="20" Width="Auto"/>
                                <ColumnDefinition />
                            </Grid.ColumnDefinitions>
                            <Grid.RowDefinitions>
                                <RowDefinition Height="Auto" MinHeight="20"/>
                                <RowDefinition  />
                            </Grid.RowDefinitions>
                            <!-- Connecting Lines -->
                            <!-- Horizontal line -->
                            <Rectangle x:Name="HorLn" Margin="9,0,0,0" Height="1" Stroke="#FF565656" SnapsToDevicePixels="True" StrokeDashCap="Square" StrokeDashArray="3,5" StrokeDashOffset="1"/>
                            <!-- Vertical line -->
                            <Rectangle x:Name="VerLn" Width="1" Stroke="#FF565656" Margin="0,0,1,0" Grid.RowSpan="2" SnapsToDevicePixels="true" Fill="White" StrokeDashCap="Square" StrokeDashArray="3,5"/>
                            <ToggleButton x:Name="Expander" Grid.Column="0" Grid.Row="0"  ClickMode="Press" IsChecked="{Binding IsExpanded, RelativeSource={RelativeSource TemplatedParent}}" Style="{StaticResource ExpandCollapseToggleStyle}"/>
                            <Border x:Name="Bd" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}"  Background="{TemplateBinding Background}"  CornerRadius="4" HorizontalAlignment="Left"   Grid.Column="1" Margin="1"  Padding="{TemplateBinding Padding}" SnapsToDevicePixels="true">
                                <ContentPresenter x:Name="PART_Header"  ContentSource="Header" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
                            </Border>
                            <ItemsPresenter x:Name="ItemsHost" Grid.ColumnSpan="2" Grid.Column="1"  Grid.Row="1" />
                        </Grid>
                        <ControlTemplate.Triggers>
                            <Trigger Property="IsExpanded" Value="false">
                                <Setter Property="Visibility" TargetName="ItemsHost" Value="Collapsed"/>
                            </Trigger>
                            <Trigger Property="HasItems" Value="false">
                                <Setter Property="Visibility" TargetName="Expander" Value="Hidden"/>
                            </Trigger>
                            <Trigger Property="IsSelected" Value="true">
                                <Setter Property="Background" TargetName="Bd" Value="#FF025BC7"/>
                                <Setter Property="Foreground" Value="#FFFFFFFF"/>
                            </Trigger>
                            <MultiTrigger>
                                <MultiTrigger.Conditions>
                                    <Condition Property="IsSelected" Value="true"/>
                                    <Condition Property="IsSelectionActive" Value="false"/>
                                </MultiTrigger.Conditions>
                                <Setter Property="Background" TargetName="Bd" Value="#FF025BC7"/>
                                <Setter Property="Foreground" Value="#FFFFFFFF"/>
                            </MultiTrigger>
                            <Trigger Property="IsEnabled" Value="false">
                                <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/>
                            </Trigger>
                            <DataTrigger Binding="{Binding RelativeSource={RelativeSource Self},Converter={StaticResource lineConverter}}" Value="true">
                                <Setter TargetName="VerLn" Property="Height" Value="15"/>
                                <Setter TargetName="VerLn" Property="VerticalAlignment" Value="Top"/>
                            </DataTrigger>
                            <Trigger Property="TabIndex" Value="1">
                                <Setter TargetName="VerLn" Property="Margin" Value="0,12,1,0"/>
                                <Setter TargetName="VerLn" Property="Height" Value="Auto"/>
                            </Trigger>
                        </ControlTemplate.Triggers>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
            <Style.Triggers>
                <Trigger Property="VirtualizingStackPanel.IsVirtualizing" Value="true">
                    <Setter Property="ItemsPanel">
                        <Setter.Value>
                            <ItemsPanelTemplate>
                                <VirtualizingStackPanel/>
                            </ItemsPanelTemplate>
                        </Setter.Value>
                    </Setter>
                </Trigger>
            </Style.Triggers>
        </Style>
    </Window.Resources>
    <Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="Auto"></ColumnDefinition>
            <ColumnDefinition></ColumnDefinition>
        </Grid.ColumnDefinitions>
        <Grid Grid.Column="0">
            <Expander Style="{DynamicResource ExpanderStyle1}"  VerticalAlignment="Stretch" ExpandDirection="Right" HorizontalAlignment="Left" SnapsToDevicePixels="True">
                <Expander.Content>
                    <Grid Width="300">
                        <TreeView Name="tvProperties" Style="{Binding }" Width="250" Padding="0" Margin="0" BorderThickness="1" ItemsSource="{Binding TreeNodeCollection}">
                            <!--<TreeView.ItemContainerStyle>
                                <Style TargetType="TreeViewItem">
                                    <Setter Property="IsExpanded" Value="{Binding IsExpanded,Mode=TwoWay}"></Setter>
                                    <Setter Property="IsSelected" Value="{Binding IsSelected,Mode=TwoWay}"></Setter>
                                    <Setter Property="Margin" Value="0,5,0,10"></Setter>
                                </Style>
                            </TreeView.ItemContainerStyle>-->
                            <TreeView.ItemTemplate>
                                <HierarchicalDataTemplate DataType="{x:Type local:PropertyNodeItem}" ItemsSource="{Binding Path=Children}">
                                    <StackPanel Orientation="Horizontal">
                                        <CheckBox Width="16" Height="16" Visibility="{Binding CheckBoxVis}" IsChecked="{Binding ItemChecked,Mode=TwoWay}"></CheckBox>
                                        <Image VerticalAlignment="Center" Source="{Binding ItemImage}" Width="16" Height="16" Margin="0,0,2,2"></Image>
                                        <TextBlock VerticalAlignment="Center" Text="{Binding DisplayName}"></TextBlock>
                                        <Image VerticalAlignment="Center" Source="{Binding EditItemImage}" Margin="2,0,0,0"></Image>
                                        <StackPanel.ToolTip>
                                            <TextBlock VerticalAlignment="Center" Text="{Binding Name}" TextWrapping="Wrap" MaxWidth="200"></TextBlock>
                                        </StackPanel.ToolTip>
                                    </StackPanel>
                                </HierarchicalDataTemplate>
                            </TreeView.ItemTemplate>
                        </TreeView>
                    </Grid>
                </Expander.Content>
            </Expander>
        </Grid>
        <DataGrid Grid.Column="2" ItemsSource="{Binding itemCollections}" AutoGenerateColumns="False" CanUserAddRows="False">
            <DataGrid.Columns>
                <DataGridTemplateColumn Header="1111lie">
                    <DataGridTemplateColumn.CellTemplate>
                        <DataTemplate>
                            <Grid>
                                <Grid.ColumnDefinitions>
                                    <ColumnDefinition></ColumnDefinition>
                                    <ColumnDefinition MinWidth="100"></ColumnDefinition>
                                </Grid.ColumnDefinitions>
                                <Label  Content="{Binding lableString}" Grid.Column="0"></Label>
                                <ComboBox  ItemsSource="{Binding comboxItems}" Grid.Column="1"></ComboBox>
                            </Grid>
                        </DataTemplate>
                    </DataGridTemplateColumn.CellTemplate>
                </DataGridTemplateColumn>
            </DataGrid.Columns>
        </DataGrid>
    </Grid>
View Code
技术分享图片 
 public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            DataContext = this;
            BuildData();
            ShowTreeView(FilePath);
        }

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

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

        private ObservableCollection<PropertyNodeItem> _treeNodeCollection;
        public ObservableCollection<PropertyNodeItem> 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<PropertyNodeItem>();
            GetTreeNode(dicInfo, rootNode);
            foreach (var child in rootNode.Children)
            {
                TreeNodeCollection.Add(child);
            }

        }

        private void GetTreeNode(DirectoryInfo dicInfo, PropertyNodeItem rootNode)
        {
            List<PropertyNodeItem> itemList = new List<PropertyNodeItem>();
            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 List<string> comboxItems { get; set; }

    }
View Code
技术分享图片 
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<PropertyNodeItem> Children { get; set; }
        public PropertyNodeItem()
        {
            Children = new List<PropertyNodeItem>();
        }

        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; }
        }

    }
View Code

 

WPF TreeView,Expander样式使用

标签：display   cond   for   top   generate   height   uri   sort   combox   

原文地址：https://www.cnblogs.com/daodaoawei/p/9719538.html
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