功能更新
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224
Melskin/Controls/TreeView.xaml
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224
Melskin/Controls/TreeView.xaml
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<ResourceDictionary
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xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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xmlns:assists="clr-namespace:Melskin.Assists"
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xmlns:controls="clr-namespace:Melskin.Controls"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
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<ResourceDictionary.MergedDictionaries>
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<ResourceDictionary Source="/Melskin;component/Themes/Animations.xaml" />
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</ResourceDictionary.MergedDictionaries>
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<Style TargetType="{x:Type ToggleButton}" x:Key="ExpandCollapseToggleButtonStyle">
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<Setter Property="FocusVisualStyle" Value="{DynamicResource FocusVisual}" />
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<Setter Property="Focusable" Value="False" />
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<Setter Property="OverridesDefaultStyle" Value="True" />
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<Setter Property="SnapsToDevicePixels" Value="True" />
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<Setter Property="Template">
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<Setter.Value>
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<ControlTemplate TargetType="ToggleButton">
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<controls:IconElement
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FontSize="14"
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RenderTransformOrigin="0.5,0.5"
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Symbol="ChevronRight"
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VerticalAlignment="Center"
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x:Name="ChevronIcon">
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<controls:IconElement.RenderTransform>
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<RotateTransform Angle="0" />
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</controls:IconElement.RenderTransform>
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</controls:IconElement>
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<ControlTemplate.Triggers>
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<Trigger Property="IsChecked" Value="True">
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<Trigger.EnterActions>
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<BeginStoryboard>
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<Storyboard>
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<DoubleAnimation
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Duration="0:0:0.16"
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Storyboard.TargetName="ChevronIcon"
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Storyboard.TargetProperty="(Grid.RenderTransform).(RotateTransform.Angle)"
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To="90" />
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</Storyboard>
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</BeginStoryboard>
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</Trigger.EnterActions>
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<Trigger.ExitActions>
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<BeginStoryboard>
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<Storyboard>
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<DoubleAnimation
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Duration="0:0:0.16"
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Storyboard.TargetName="ChevronIcon"
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Storyboard.TargetProperty="(Grid.RenderTransform).(RotateTransform.Angle)"
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To="0" />
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</Storyboard>
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</BeginStoryboard>
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</Trigger.ExitActions>
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</Trigger>
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<!--<Trigger Property="IsMouseOver" Value="True">
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<Setter TargetName="ChevronIcon" Property="Foreground" Value="{DynamicResource TextSecondaryBrush}" />
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</Trigger>-->
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</ControlTemplate.Triggers>
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</ControlTemplate>
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</Setter.Value>
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</Setter>
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</Style>
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<Style TargetType="{x:Type TreeView}">
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<Setter Property="Background" Value="{DynamicResource ControlBackgroundNormalBrush}" />
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<Setter Property="BorderBrush" Value="{DynamicResource BorderNormalBrush}" />
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<Setter Property="BorderThickness" Value="1" />
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<Setter Property="Padding" Value="4" />
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<Setter Property="Foreground" Value="{DynamicResource TextPrimaryBrush}" />
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<Setter Property="ScrollViewer.HorizontalScrollBarVisibility" Value="Auto" />
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<Setter Property="ScrollViewer.VerticalScrollBarVisibility" Value="Auto" />
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<Setter Property="ScrollViewer.PanningMode" Value="Both" />
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<Setter Property="assists:ControlAssist.CornerRadius" Value="4" />
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<Setter Property="Stylus.IsFlicksEnabled" Value="False" />
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<Setter Property="VerticalContentAlignment" Value="Center" />
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<Setter Property="Template">
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<Setter.Value>
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<ControlTemplate TargetType="{x:Type TreeView}">
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<Border
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Background="{TemplateBinding Background}"
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BorderBrush="{TemplateBinding BorderBrush}"
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BorderThickness="{TemplateBinding BorderThickness}"
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CornerRadius="{TemplateBinding assists:ControlAssist.CornerRadius}"
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SnapsToDevicePixels="True"
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x:Name="Bd">
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<ScrollViewer
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CanContentScroll="False"
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Focusable="False"
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HorizontalScrollBarVisibility="{TemplateBinding ScrollViewer.HorizontalScrollBarVisibility}"
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Padding="{TemplateBinding Padding}"
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SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"
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VerticalScrollBarVisibility="{TemplateBinding ScrollViewer.VerticalScrollBarVisibility}"
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x:Name="treeViewScroll">
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<ItemsPresenter />
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</ScrollViewer>
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</Border>
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<ControlTemplate.Triggers>
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<Trigger Property="IsEnabled" Value="False">
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<Setter Property="Background" TargetName="Bd" Value="{DynamicResource ControlBackgroundDisabledBrush}" />
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</Trigger>
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<Trigger Property="VirtualizingPanel.IsVirtualizing" Value="True">
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<Setter Property="CanContentScroll" TargetName="treeViewScroll" Value="True" />
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</Trigger>
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</ControlTemplate.Triggers>
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</ControlTemplate>
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</Setter.Value>
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</Setter>
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<Style.Triggers>
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<Trigger Property="VirtualizingPanel.IsVirtualizing" Value="True">
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<Setter Property="ItemsPanel">
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<Setter.Value>
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<ItemsPanelTemplate>
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<VirtualizingStackPanel />
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</ItemsPanelTemplate>
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</Setter.Value>
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</Setter>
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</Trigger>
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</Style.Triggers>
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</Style>
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<Style TargetType="{x:Type TreeViewItem}">
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<Setter Property="Background" Value="Transparent" />
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<Setter Property="HorizontalContentAlignment" Value="{Binding HorizontalContentAlignment, RelativeSource={RelativeSource AncestorType={x:Type ItemsControl}}}" />
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<Setter Property="VerticalContentAlignment" Value="{Binding VerticalContentAlignment, RelativeSource={RelativeSource AncestorType={x:Type ItemsControl}}}" />
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<Setter Property="Padding" Value="4" />
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<Setter Property="FontSize" Value="14" />
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<Setter Property="Foreground" Value="{DynamicResource TextPrimaryBrush}" />
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<Setter Property="FocusVisualStyle" Value="{DynamicResource FocusVisual}" />
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<Setter Property="Template">
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<Setter.Value>
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<ControlTemplate TargetType="{x:Type TreeViewItem}">
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<Grid>
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<Grid.RowDefinitions>
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<RowDefinition Height="Auto" />
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<RowDefinition />
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</Grid.RowDefinitions>
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<Border
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Background="{TemplateBinding Background}"
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BorderBrush="{TemplateBinding BorderBrush}"
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BorderThickness="{TemplateBinding BorderThickness}"
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CornerRadius="4"
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SnapsToDevicePixels="True"
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x:Name="Bd">
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<Grid>
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<Grid.ColumnDefinitions>
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<ColumnDefinition Width="22" />
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<ColumnDefinition Width="auto" />
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<ColumnDefinition Width="*" />
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</Grid.ColumnDefinitions>
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<ToggleButton
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ClickMode="Press"
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IsChecked="{Binding IsExpanded, RelativeSource={RelativeSource TemplatedParent}}"
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Style="{StaticResource ExpandCollapseToggleButtonStyle}"
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x:Name="Expander" />
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<ContentPresenter
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ContentSource="Header"
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Grid.Column="1"
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HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
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Margin="{TemplateBinding Padding}"
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SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"
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x:Name="PART_Header" />
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</Grid>
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</Border>
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<!-- 子对象 -->
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<ItemsPresenter
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Grid.Row="1"
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Margin="16,0,0,0"
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x:Name="ItemsHost" />
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</Grid>
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<ControlTemplate.Triggers>
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<Trigger Property="IsExpanded" Value="False">
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<Setter Property="Visibility" TargetName="ItemsHost" Value="Collapsed" />
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</Trigger>
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<Trigger Property="HasItems" Value="False">
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<Setter Property="Visibility" TargetName="Expander" Value="Hidden" />
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</Trigger>
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<Trigger Property="IsSelected" Value="True">
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<Setter Property="Background" TargetName="Bd" Value="{DynamicResource ControlBackgroundSelectedBrush}" />
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<!--<Setter Property="Foreground" Value="{DynamicResource TextAccentBrush}" />-->
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<Setter Property="Foreground" TargetName="Expander" Value="{DynamicResource TextAccentBrush}" />
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</Trigger>
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<Trigger Property="UIElement.IsMouseOver" Value="True">
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<Setter Property="Background" TargetName="Bd" Value="{DynamicResource ControlBackgroundHoverBrush}" />
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</Trigger>
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<MultiTrigger>
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<MultiTrigger.Conditions>
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<Condition Property="IsSelected" Value="True" />
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<Condition Property="IsSelectionActive" Value="False" />
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</MultiTrigger.Conditions>
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<Setter Property="Background" TargetName="Bd" Value="{DynamicResource ControlBackgroundSelectedBrush}" />
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<Setter Property="Foreground" TargetName="Expander" Value="{DynamicResource TextAccentBrush}" />
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</MultiTrigger>
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<MultiTrigger>
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<MultiTrigger.Conditions>
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<Condition Property="IsSelected" Value="True" />
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<Condition Property="UIElement.IsMouseOver" Value="True" />
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</MultiTrigger.Conditions>
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<Setter Property="Background" TargetName="Bd" Value="{DynamicResource ControlBackgroundPressedBrush}" />
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<Setter Property="Foreground" TargetName="Expander" Value="{DynamicResource TextAccentBrush}" />
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</MultiTrigger>
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<Trigger Property="IsEnabled" Value="False">
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<Setter Property="Foreground" Value="{DynamicResource TextDisabledBrush}" />
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</Trigger>
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</ControlTemplate.Triggers>
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</ControlTemplate>
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</Setter.Value>
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</Setter>
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<Style.Triggers>
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<Trigger Property="VirtualizingPanel.IsVirtualizing" Value="True">
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<Setter Property="ItemsPanel">
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<Setter.Value>
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<ItemsPanelTemplate>
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<VirtualizingStackPanel />
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</ItemsPanelTemplate>
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</Setter.Value>
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</Setter>
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</Trigger>
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</Style.Triggers>
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</Style>
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</ResourceDictionary>
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