我有一个TreeView，它绑定到一个对象列表： 当我没有主题 treeItem.DisplayMemberPath =＆＃34;名称＆＃34; 效果很好，但当我应用像“BubbleCreme.xaml”而不是“Name”这样的主题时，我的TreeView中有“System.DataEntity.DynamicProxies.food45484545 ......” 如果需要，这是主题中的treeView样式
<!-- Treeview -->
<Style x:Key="{x:Type TreeView}" TargetType="{x:Type TreeView}">
<Setter Property="Background" Value="{StaticResource PrimaryBrush}" />
<Setter Property="Foreground" Value="{StaticResource TextBrush}" />
<Setter Property="HorizontalContentAlignment" Value="Left" />
<Setter Property="VerticalContentAlignment" Value="Top" />
<Setter Property="Cursor" Value="Arrow" />
<Setter Property="BorderThickness" Value="1.5,1.5,.75,.75" />
<Setter Property="Padding" Value="1" />
<Setter Property="BorderBrush">
<Setter.Value>
<LinearGradientBrush EndPoint="0.5,1.5" StartPoint="0.5,0">
<GradientStop Color="{StaticResource SecondaryColor}" />
<GradientStop Color="{StaticResource PrimaryColor}" Offset="1" />
</LinearGradientBrush>
</Setter.Value>
</Setter>
<Setter Property="IsTabStop" Value="False" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type TreeView}">
<Border x:Name="Root" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" Padding="{TemplateBinding Padding}" CornerRadius="4">
<Grid>
<Grid x:Name="InnerShadow" Opacity="0.25" Margin="-1">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="6" />
<ColumnDefinition />
<ColumnDefinition Width="6" />
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="6" />
<RowDefinition />
<RowDefinition Height="6" />
</Grid.RowDefinitions>
<Border Background="{StaticResource SecondaryBrush}" CornerRadius="2.5,0,0,0">
<Border.OpacityMask>
<RadialGradientBrush>
<RadialGradientBrush.RelativeTransform>
<TransformGroup>
<ScaleTransform CenterX="0.5" CenterY="0.5" ScaleX="2" ScaleY="2" />
<TranslateTransform X="0.5" Y="0.5" />
</TransformGroup>
</RadialGradientBrush.RelativeTransform>
<GradientStop />
<GradientStop Color="#FFFFFFFF" Offset="1" />
</RadialGradientBrush>
</Border.OpacityMask>
</Border>
<Border Background="{StaticResource SecondaryBrush}" Grid.Column="1">
<Border.OpacityMask>
<LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
<GradientStop Color="#FFFFFFFF" Offset="0" />
<GradientStop Offset="1" />
</LinearGradientBrush>
</Border.OpacityMask>
</Border>
<Border Background="{StaticResource SecondaryBrush}" Grid.Column="2" CornerRadius="0,2.5,0,0">
<Border.OpacityMask>
<RadialGradientBrush>
<RadialGradientBrush.RelativeTransform>
<TransformGroup>
<ScaleTransform CenterX="0.5" CenterY="0.5" ScaleX="2" ScaleY="2" />
<TranslateTransform X="-0.5" Y="0.5" />
</TransformGroup>
</RadialGradientBrush.RelativeTransform>
<GradientStop />
<GradientStop Color="#FFFFFFFF" Offset="1" />
</RadialGradientBrush>
</Border.OpacityMask>
</Border>
<Border Background="{StaticResource SecondaryBrush}" Grid.Row="1">
<Border.OpacityMask>
<LinearGradientBrush EndPoint="1,.5" StartPoint="0,.5">
<GradientStop Color="#00000000" Offset="1" />
<GradientStop Color="#FFFFFFFF" Offset="0" />
</LinearGradientBrush>
</Border.OpacityMask>
</Border>
<Border Background="{StaticResource SecondaryBrush}" Grid.Column="1" Grid.Row="1" OpacityMask="#00000000" />
<Border Background="{StaticResource SecondaryBrush}" Grid.Column="2" Grid.Row="1">
<Border.OpacityMask>
<LinearGradientBrush EndPoint="1,.5" StartPoint="0,.5">
<GradientStop Color="#FF000000" Offset="1" />
<GradientStop Color="#00FFFFFF" Offset="0" />
</LinearGradientBrush>
</Border.OpacityMask>
</Border>
<Border Background="{StaticResource SecondaryBrush}" Grid.Row="2" CornerRadius="0,0,0,2.5">
<Border.OpacityMask>
<RadialGradientBrush>
<RadialGradientBrush.RelativeTransform>
<TransformGroup>
<ScaleTransform CenterX="0.5" CenterY="0.5" ScaleX="2" ScaleY="2" />
<TranslateTransform X="0.5" Y="-0.5" />
</TransformGroup>
</RadialGradientBrush.RelativeTransform>
<GradientStop />
<GradientStop Color="#FFFFFFFF" Offset="1" />
</RadialGradientBrush>
</Border.OpacityMask>
</Border>
<Border Background="{StaticResource SecondaryBrush}" Grid.Column="1" Grid.Row="2">
<Border.OpacityMask>
<LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
<GradientStop Color="#00000000" Offset="0" />
<GradientStop Color="#FFFFFFFF" Offset="1" />
</LinearGradientBrush>
</Border.OpacityMask>
</Border>
<Border Background="{StaticResource SecondaryBrush}" Grid.Column="2" Grid.Row="2" CornerRadius="0,0,2.5,0">
<Border.OpacityMask>
<RadialGradientBrush>
<RadialGradientBrush.RelativeTransform>
<TransformGroup>
<ScaleTransform CenterX="0.5" CenterY="0.5" ScaleX="2" ScaleY="2" />
<TranslateTransform X="-0.5" Y="-0.5" />
</TransformGroup>
</RadialGradientBrush.RelativeTransform>
<GradientStop />
<GradientStop Color="#FFFFFFFF" Offset="1" />
</RadialGradientBrush>
</Border.OpacityMask>
</Border>
</Grid>
<ScrollViewer x:Name="ScrollViewer" Background="{x:Null}" BorderBrush="Transparent" BorderThickness="0" IsTabStop="False" HorizontalScrollBarVisibility="Auto" VerticalScrollBarVisibility="Auto">
<ItemsPresenter Margin="5" x:Name="TreeItems" />
</ScrollViewer>
</Grid>
</Border>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
<!-- TreeviewItem -->
<Style x:Key="{x:Type TreeViewItem}" TargetType="{x:Type TreeViewItem}">
<Setter Property="Padding" Value="3" />
<Setter Property="HorizontalContentAlignment" Value="Left" />
<Setter Property="VerticalContentAlignment" Value="Top" />
<Setter Property="Background" Value="Transparent" />
<Setter Property="BorderThickness" Value="1" />
<Setter Property="BorderBrush" Value="{StaticResource PrimaryBrush}" />
<Setter Property="Cursor" Value="Arrow" />
<Setter Property="IsTabStop" Value="True" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type TreeViewItem}">
<Grid Background="{x:Null}" x:Name="Root">
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="CommonStates">
<VisualState x:Name="Normal" />
<VisualState x:Name="Disabled">
<Storyboard>
<ObjectAnimationUsingKeyFrames Duration="0" Storyboard.TargetName="Header" Storyboard.TargetProperty="Foreground">
<DiscreteObjectKeyFrame KeyTime="0" Value="#FF999999" />
</ObjectAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames Duration="00:00:00.001" Storyboard.TargetName="Root" Storyboard.TargetProperty="(UIElement.Opacity)">
<SplineDoubleKeyFrame KeyTime="0" Value="0.75" />
</DoubleAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<Grid.RowDefinitions>
<RowDefinition Height="Auto" />
<RowDefinition Height="*" />
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="15" />
<ColumnDefinition Width="Auto" />
<ColumnDefinition Width="*" />
</Grid.ColumnDefinitions>
<Grid Grid.Column="1" Opacity="0" x:Name="grid">
<Border x:Name="Background" CornerRadius="12" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness=".5,0.5,1,1">
<Border.Background>
<LinearGradientBrush EndPoint="0.5,1.75" StartPoint="0.5,-.5">
<GradientStop Color="{StaticResource SecondaryColor}" Offset="0" />
<GradientStop Color="{StaticResource PrimaryColor}" Offset=".01" />
<GradientStop Color="{StaticResource PrimaryColor}" Offset=".3" />
<GradientStop Color="{StaticResource SecondaryColor}" Offset="1" />
</LinearGradientBrush>
</Border.Background>
</Border>
<Border x:Name="Halo" CornerRadius="12" Opacity=".65" Background="{StaticResource SecondaryBrush}" OpacityMask="{StaticResource HaloMask}" />
</Grid>
<ToggleButton IsChecked="{Binding Path=IsExpanded, RelativeSource={RelativeSource TemplatedParent}}" ClickMode="Press" HorizontalAlignment="Stretch" x:Name="Expander" VerticalAlignment="Stretch" IsTabStop="False">
<ToggleButton.Template>
<ControlTemplate TargetType="ToggleButton">
<Grid x:Name="Root" Background="Transparent">
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="CommonStates">
<VisualState x:Name="Normal" />
<VisualState x:Name="MouseOver">
<Storyboard>
<DoubleAnimationUsingKeyFrames Duration="00:00:00.001" Storyboard.TargetName="Border" Storyboard.TargetProperty="(Shape.StrokeThickness)">
<SplineDoubleKeyFrame KeyTime="0" Value="1.25" />
</DoubleAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
<VisualState x:Name="Disabled">
<Storyboard>
<DoubleAnimation Duration="0" Storyboard.TargetName="Root" Storyboard.TargetProperty="Opacity" To=".7" />
</Storyboard>
</VisualState>
</VisualStateGroup>
<VisualStateGroup x:Name="CheckStates">
<VisualState x:Name="Unchecked" />
<VisualState x:Name="Checked">
<Storyboard>
<DoubleAnimationUsingKeyFrames Duration="00:00:00.001" Storyboard.TargetName="grid" Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[0].(RotateTransform.Angle)">
<SplineDoubleKeyFrame KeyTime="0" Value="45" />
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames Duration="00:00:00.001" Storyboard.TargetName="Arrow" Storyboard.TargetProperty="(UIElement.Opacity)">
<SplineDoubleKeyFrame KeyTime="0" Value="1" />
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames Duration="00:00:00.001" Storyboard.TargetName="Border" Storyboard.TargetProperty="(UIElement.Opacity)">
<SplineDoubleKeyFrame KeyTime="0" Value="0" />
</DoubleAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<Grid HorizontalAlignment="Right" Margin="2 2 5 2">
<Grid x:Name="grid" HorizontalAlignment="Center" VerticalAlignment="Center" RenderTransformOrigin=".25,.8" Height="10" Width="5">
<Grid.RenderTransform>
<TransformGroup>
<RotateTransform />
</TransformGroup>
</Grid.RenderTransform>
<Path x:Name="Arrow" Stroke="{x:Null}" StrokeLineJoin="Miter" StrokeThickness=".75" Data="M 0,0 L 0,10 L 5,5 Z" Fill="{StaticResource TextBrush}" Opacity="0" />
<Path x:Name="Border" Stroke="{StaticResource TextBrush}" StrokeLineJoin="Miter" StrokeThickness=".75" Data="M 0,0 L 0,10 L 5,5 Z" Fill="{x:Null}" />
</Grid>
</Grid>
</Grid>
</ControlTemplate>
</ToggleButton.Template>
</ToggleButton>
<Button Cursor="{TemplateBinding Cursor}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" x:Name="Header" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" Background="{TemplateBinding Background}" Foreground="{TemplateBinding Foreground}" IsTabStop="False" Grid.Column="1" ClickMode="Hover" Content="{TemplateBinding Header}" ContentTemplate="{TemplateBinding HeaderTemplate}" Padding="8,3,8,3">
<Button.Template>
<ControlTemplate TargetType="Button">
<Grid Background="{TemplateBinding Background}">
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="CommonStates">
<VisualState x:Name="Normal" />
<VisualState x:Name="Pressed">
<Storyboard>
<DoubleAnimation Duration="0" Storyboard.TargetName="hover" Storyboard.TargetProperty="Opacity" To=".5" />
</Storyboard>
</VisualState>
<VisualState x:Name="Disabled">
<Storyboard>
<DoubleAnimation Duration="0" Storyboard.TargetName="content" Storyboard.TargetProperty="Opacity" To=".55" />
</Storyboard>
</VisualState>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<Grid x:Name="hover" Opacity="0">
<Border x:Name="Background" CornerRadius="12" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness=".5,0.5,1,1">
<Border.Background>
<LinearGradientBrush EndPoint="0.5,1.75" StartPoint="0.5,-.5">
<GradientStop Color="{StaticResource SecondaryColor}" Offset="0" />
<GradientStop Color="{StaticResource PrimaryColor}" Offset=".01" />
<GradientStop Color="{StaticResource PrimaryColor}" Offset=".3" />
<GradientStop Color="{StaticResource SecondaryColor}" Offset="1" />
</LinearGradientBrush>
</Border.Background>
</Border>
<Border x:Name="Halo" CornerRadius="12" Opacity=".65" Background="{StaticResource SecondaryBrush}" OpacityMask="{StaticResource HaloMask}" />
</Grid>
<ContentPresenter Cursor="{TemplateBinding Cursor}" HorizontalAlignment="Left" Margin="{TemplateBinding Padding}" x:Name="content" Content="{TemplateBinding Content}" ContentTemplate="{TemplateBinding ContentTemplate}" />
</Grid>
</ControlTemplate>
</Button.Template>
</Button>
<ItemsPresenter x:Name="ItemsHost" Visibility="Visible" Grid.Column="1" Grid.ColumnSpan="2" Grid.Row="1" />
</Grid>
<ControlTemplate.Triggers>
<Trigger Property="IsExpanded" Value="false">
<Setter Property="Visibility" Value="Collapsed" TargetName="ItemsHost" />
</Trigger>
<Trigger Property="HasItems" Value="false">
<Setter Property="Visibility" Value="Hidden" TargetName="Expander" />
</Trigger>
<Trigger Property="IsMouseOver" Value="True">
<Trigger.EnterActions>
<BeginStoryboard>
<Storyboard>
<!--<DoubleAnimation Duration="00:00:00.3" Storyboard.TargetName="MouseOverGrid" Storyboard.TargetProperty="Opacity" To="0.25" />-->
</Storyboard>
</BeginStoryboard>
</Trigger.EnterActions>
<Trigger.ExitActions>
<BeginStoryboard>
<Storyboard>
<!--<DoubleAnimation Duration="00:00:00.3" Storyboard.TargetName="MouseOverGrid" Storyboard.TargetProperty="Opacity" To="0" />-->
</Storyboard>
</BeginStoryboard>
</Trigger.ExitActions>
</Trigger>
<Trigger Property="IsSelected" Value="true">
<Trigger.EnterActions>
<BeginStoryboard>
<Storyboard>
<DoubleAnimationUsingKeyFrames Duration="00:00:00.001" Storyboard.TargetName="grid" Storyboard.TargetProperty="(UIElement.Opacity)">
<SplineDoubleKeyFrame KeyTime="0" Value="1" />
</DoubleAnimationUsingKeyFrames>
</Storyboard>
</BeginStoryboard>
</Trigger.EnterActions>
<Trigger.ExitActions>
<BeginStoryboard>
<Storyboard>
<DoubleAnimationUsingKeyFrames Duration="00:00:00.001" Storyboard.TargetName="grid" Storyboard.TargetProperty="(UIElement.Opacity)">
<SplineDoubleKeyFrame KeyTime="0" Value="0" />
</DoubleAnimationUsingKeyFrames>
</Storyboard>
</BeginStoryboard>
</Trigger.ExitActions>
</Trigger>
<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="IsSelected" Value="true" />
<Condition Property="IsSelectionActive" Value="false" />
</MultiTrigger.Conditions>
<MultiTrigger.EnterActions>
<BeginStoryboard>
<Storyboard>
<!--<DoubleAnimation Duration="0" Storyboard.TargetName="MouseOverGrid" Storyboard.TargetProperty="Opacity" To="0.5" />-->
</Storyboard>
</BeginStoryboard>
</MultiTrigger.EnterActions>
<MultiTrigger.ExitActions>
<BeginStoryboard>
<Storyboard>
<!--<DoubleAnimation Duration="00:00:00.3" Storyboard.TargetName="MouseOverGrid" Storyboard.TargetProperty="Opacity" To="0" />-->
</Storyboard>
</BeginStoryboard>
</MultiTrigger.ExitActions>
</MultiTrigger>
<Trigger Property="IsEnabled" Value="false">
<Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}" />
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>