i am applying styles to the treeview in wpf its only applying to the parents(treeviewitems) and no change the childs.

Question

i am applying styles to the treeview in wpf  its only applying to the parents(treeviewitems) and no change the childs. one parent(treeviewitem) have any childs the styles applied to parent(treeviewitem) of parent styles and the another parent having no childs the styles applied to parent(treeviewitem) of child styles. this is the code given
XAML

<Window xmlns=http://schemas.microsoft.com/winfx/2006/xaml/presentation xmlns:x=http://schemas.microsoft.com/winfx/2006/xaml x:Class="_2ATreeView.Window1" x:Name="Window" Title="Window1"
Width="725" Height="584" xmlns:Microsoft_Windows_Themes="clr-namespace:Microsoft.Windows.Themes;assembly=PresentationFramework.Classic" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="d" Loaded="Window_Loaded" Background="#1F2E05"><Window.Resources>
<Style TargetType="{x:Type TreeView}">
<Setter Property="Background" Value="#3f000000"/>
<Setter Property="BorderBrush" Value="#1ef009"/>
<Setter Property="BorderThickness" Value="5"/>
<Setter Property="Padding" Value="1"/>
<Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/>
<Setter Property="ScrollViewer.HorizontalScrollBarVisibility" Value="Auto"/>
<Setter Property="ScrollViewer.VerticalScrollBarVisibility" Value="Auto"/>
<Setter Property="VerticalContentAlignment" Value="Center"/>
<Setter Property="Template"><Setter.Value>
<ControlTemplate TargetType="{x:Type TreeView}">
<Border SnapsToDevicePixels="True" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" <BorderThickness="{TemplateBinding BorderThickness}">
<ScrollViewer Focusable="false" Background="Transparent" Padding="{TemplateBinding Padding}" CanContentScroll="false" HorizontalScrollBarVisibility="{TemplateBinding ScrollViewer.HorizontalScrollBarVisibility}" VerticalScrollBarVisibility="{TemplateBinding ScrollViewer.VerticalScrollBarVisibility}">
<ItemsPresenter/>
</ScrollViewer></Border></ControlTemplate></Setter.Value></Setter></Style>
<Style x:Key="TreeViewItemFocusVisual">
<Setter Property="Control.Template">

<Setter.Value>

<ControlTemplate>

<Rectangle/>

</ControlTemplate>

</Setter.Value>

</Setter>

</Style>

<Style x:Key="ExpandCollapseToggleStyle" TargetType="{x:Type ToggleButton}">

<Setter Property="Focusable" Value="False"/>

<Setter Property="Width" Value="19"/>

<Setter Property="Height" Value="13"/>

<Setter Property="Foreground" Value="white"/>

<Setter Property="Template">

<Setter.Value>

<ControlTemplate TargetType="{x:Type ToggleButton}">

<ControlTemplate.Resources>

<Storyboard x:Key="Storyboard1" RepeatBehavior="Forever">

<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetName="border" Storyboard.TargetProperty="(UIElement.BitmapEffect).(OuterGlowBitmapEffect.GlowSize)">

<SplineDoubleKeyFrame KeyTime="00:00:00" Value="1"/>

<SplineDoubleKeyFrame KeyTime="00:00:00.3" Value="6"/>

<SplineDoubleKeyFrame KeyTime="00:00:00.5" Value="2"/>

</DoubleAnimationUsingKeyFrames>

</Storyboard>

<Storyboard x:Key="Storyboard2">

<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetName="border" Storyboard.TargetProperty="(UIElement.BitmapEffect).(OuterGlowBitmapEffect.GlowSize)">

<SplineDoubleKeyFrame KeyTime="00:00:00" Value="6"/>

<SplineDoubleKeyFrame KeyTime="00:00:00.3000000" Value="1"/>

</DoubleAnimationUsingKeyFrames>

</Storyboard>

</ControlTemplate.Resources>

<Border Width="19" Height="13" Background="Transparent">

<Border SnapsToDevicePixels="true" Width="9" Height="9" Background="{TemplateBinding Background}" x:Name="border">

<Border.BitmapEffect>

<OuterGlowBitmapEffect GlowColor="#FFFFFF" GlowSize="1"/>

</Border.BitmapEffect>

<Path VerticalAlignment="Center" HorizontalAlignment="Center" Margin="1,1,1,1" x:Name="ExpandPath" Fill="{TemplateBinding Foreground}" Data="M 0 2 L 0 3 L 2 3 L 2 5 L 3 5 L 3 3 L 5 3 L 5 2 L 3 2 L 3 0 L 2 0 L 2 2 Z"/>

</Border>

</Border>

<ControlTemplate.Triggers>

<Trigger Property="IsChecked" Value="True">

<Setter Property="Data" TargetName="ExpandPath" Value="M 0 2 L 0 3 L 5 3 L 5 2 Z"/>

</Trigger>

<Trigger Property="IsMouseOver" Value="True">

<Trigger.ExitActions>

<BeginStoryboard Storyboard="{StaticResource Storyboard2}" x:Name="Storyboard2_BeginStoryboard"/>

</Trigger.ExitActions>

<Trigger.EnterActions>

<BeginStoryboard Storyboard="{StaticResource Storyboard1}"/>

</Trigger.EnterActions>

</Trigger>

</ControlTemplate.Triggers>

</ControlTemplate>

</Setter.Value>

</Setter>

</Style>

<Style x:Key="TreeViewItemStyle1" TargetType="{x:Type TreeViewItem}">

<Setter Property="Background" Value="Transparent"/>

<Setter Property="HorizontalContentAlignment" Value="{Binding Path=HorizontalContentAlignment, RelativeSource={RelativeSource AncestorType={x:Type ItemsControl}}}"/>

<Setter Property="VerticalContentAlignment" Value="{Binding Path=VerticalContentAlignment, RelativeSource={RelativeSource AncestorType={x:Type ItemsControl}}}"/>

<Setter Property="Padding" Value="1,0,0,0"/>

<Setter Property="Foreground" Value="green"/>

<Setter Property="FontSize" Value="13"/>

<Setter Property="FontFamily" Value="Tahoma"/>

<Setter Property="FontWeight" Value="Normal"/>

<Setter Property="FocusVisualStyle" Value="{DynamicResource TreeViewItemFocusVisual}"/>

<Setter Property="Template">

<Setter.Value>

<ControlTemplate TargetType="{x:Type TreeViewItem}">

<ControlTemplate.Resources>

<Storyboard x:Key="Storyboard1">

<ColorAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetName="Bd" Storyboard.TargetProperty="(Panel.Background).(SolidColorBrush.Color)">

<SplineColorKeyFrame KeyTime="00:00:00" Value="#00000000"/>

<SplineColorKeyFrame KeyTime="00:00:00.3000000" Value="#4C000000"/>

</ColorAnimationUsingKeyFrames>

<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetName="whiteRect" Storyboard.TargetProperty="(UIElement.BitmapEffect).(OuterGlowBitmapEffect.GlowSize)">

<SplineDoubleKeyFrame KeyTime="00:00:00" Value="4"/>

<SplineDoubleKeyFrame KeyTime="00:00:00.3000000" Value="6"/>

</DoubleAnimationUsingKeyFrames>

<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetName="whiteRect" Storyboard.TargetProperty="(UIElement.BitmapEffect).(OuterGlowBitmapEffect.Opacity)">

<SplineDoubleKeyFrame KeyTime="00:00:00" Value="0.75"/>

<SplineDoubleKeyFrame KeyTime="00:00:00.3000000" Value="1"/>

</DoubleAnimationUsingKeyFrames>

</Storyboard>

<Storyboard x:Key="Storyboard2">

<ColorAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetName="Bd" Storyboard.TargetProperty="(Panel.Background).(SolidColorBrush.Color)">

<SplineColorKeyFrame KeyTime="00:00:00" Value="#4C000000"/>

<SplineColorKeyFrame KeyTime="00:00:00.3" Value="#00000000"/>

</ColorAnimationUsingKeyFrames>

<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetName="whiteRect" Storyboard.TargetProperty="(UIElement.BitmapEffect).(OuterGlowBitmapEffect.GlowSize)">

<SplineDoubleKeyFrame KeyTime="00:00:00" Value="6"/>

<SplineDoubleKeyFrame KeyTime="00:00:00.3000000" Value="4"/>

</DoubleAnimationUsingKeyFrames>

<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetName="whiteRect" Storyboard.TargetProperty="(UIElement.BitmapEffect).(OuterGlowBitmapEffect.Opacity)">

<SplineDoubleKeyFrame KeyTime="00:00:00" Value="1"/>

<SplineDoubleKeyFrame KeyTime="00:00:00.3000000" Value="0.75"/>

</DoubleAnimationUsingKeyFrames>

</Storyboard>

</ControlTemplate.Resources>

<Grid>

<Grid.ColumnDefinitions>

<ColumnDefinition MinWidth="19" Width="Auto"/>

<ColumnDefinition Width="Auto"/>

<ColumnDefinition Width="*"/>

</Grid.ColumnDefinitions>

<Grid.RowDefinitions>

<RowDefinition Height="Auto"/>

<RowDefinition/>

</Grid.RowDefinitions>

<Border x:Name="Bd" Grid.ColumnSpan="3" Background="#00000000"/>

<ToggleButton x:Name="Expander" Background="{TemplateBinding Foreground}" Style="{StaticResource ExpandCollapseToggleStyle}" ClickMode="Press" IsChecked="{Binding Path=IsExpanded, RelativeSource={RelativeSource TemplatedParent}}"/>

<Rectangle Width="3" Height="7" x:Name="whiteRect" Margin="3,0" VerticalAlignment="Center" Fill="#FFFFFF" HorizontalAlignment="Center" Visibility="Collapsed">

<Rectangle.BitmapEffect>

<OuterGlowBitmapEffect GlowColor="#FFFFFF" GlowSize="5" Opacity="0.75"/>

</Rectangle.BitmapEffect>

</Rectangle>

<Border SnapsToDevicePixels="true" Grid.Column="1" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Padding="{TemplateBinding Padding}">

<ContentPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" x:Name="PART_Header" ContentSource="Header"/>

</Border>

<ItemsPresenter x:Name="ItemsHost" Grid.Column="1" Grid.ColumnSpan="2" Grid.Row="1"/>

</Grid>

<ControlTemplate.Triggers>

<Trigger Property="IsExpanded" Value="false">

<Setter Property="Visibility" TargetName="ItemsHost" Value="Collapsed"/>

</Trigger>

<Trigger Property="IsMouseOver" Value="true">

<Setter Property="Foreground" Value="#1ef009"/>

</Trigger>

<Trigger Property="HasItems" Value="false">

<Setter Property="Visibility" TargetName="Expander" Value="Hidden"/>

<Setter Property="FontSize" Value="11"/>

<Setter Property="FontWeight" Value="Normal"/>

<Setter Property="Foreground" Value="#1ef009"/>

<Setter Property="Visibility" TargetName="whiteRect" Value="Visible"/>

</Trigger>

<Trigger Property="IsSelected" Value="true">

<Setter Property="Background" TargetName="Bd" Value="#7F000000"/>

</Trigger>

<MultiTrigger>

<MultiTrigger.Conditions>

<Condition Property="IsMouseOver" Value="true"/>

<Condition Property="HasItems" Value="false"/>

</MultiTrigger.Conditions>

<MultiTrigger.ExitActions>

<BeginStoryboard Storyboard="{StaticResource Storyboard2}" x:Name="Storyboard2_BeginStoryboard"/>

</MultiTrigger.ExitActions>

<MultiTrigger.EnterActions>

<BeginStoryboard Storyboard="{StaticResource Storyboard1}"/>

</MultiTrigger.EnterActions>

</MultiTrigger>

<MultiTrigger>

<MultiTrigger.Conditions>

<Condition Property="IsSelected" Value="true"/>

<Condition Property="IsSelectionActive" Value="false"/>

</MultiTrigger.Conditions>

<Setter Property="Background" TargetName="Bd" Value="{DynamicResource {x:Static SystemColors.ControlBrushKey}}"/>

<Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/>

</MultiTrigger>

<Trigger Property="IsEnabled" Value="false">

<Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/>

</Trigger>

</ControlTemplate.Triggers>

</ControlTemplate>

</Setter.Value>

</Setter>

</Style>

<SolidColorBrush x:Key="{x:Static SystemColors.HighlightBrushKey}" Color="Green" />

<SolidColorBrush x:Key="{x:Static SystemColors.ControlBrushKey}" Color="Green" />

<HierarchicalDataTemplate x:Key="DataTemplate1"

ItemsSource="{Binding SubNodes}">

<Grid Margin="5">

<Grid.ColumnDefinitions>

<ColumnDefinition Width="Auto" />

<ColumnDefinition Width="*"/>

<ColumnDefinition Width="Auto" />

</Grid.ColumnDefinitions>

<TextBlock HorizontalAlignment="Left"

VerticalAlignment="Top"

Grid.Column="1"

Text="HEADER"

TextWrapping="Wrap" />

</Grid>

</HierarchicalDataTemplate>

</Window.Resources>

<Grid>

<TreeView HorizontalAlignment="Stretch"

VerticalAlignment="Stretch"

Width="164"

Height="278"

x:Name="Treeview"

ItemContainerStyle="{DynamicResource TreeViewItemStyle1}" DisplayMemberPath="TreeView"

Background="Transparent">

</TreeView>

</Grid>

</Window>

 

 

Answer 1

I can't help u master

Answer 2

Hi,

 

I have ran the code you provided above, but I have not seen the effect you mentioned. In fact, you can simplify your sample and just post the code related to the issue you are encountering. So other people can quickly focus on the problem and give hints to you.

 

Thanks.

---

Jim Zhou -MSFT

Answer 3

We are changing the issue type to “Comment” because you have not followed up with the necessary information. If you have more time to look at the issue and provide more information, please feel free to change the issue type back to "Question” by clicking the "Options" link at the top of your post, and selecting "Change Type" menu item from the pop menu. If the issue is resolved, we will appreciate it if you can share the solution so that the answer can be found and used by other community members having similar questions.

 

Thank you!

 

---

Jim Zhou -MSFT