195 lines
12 KiB
XML
195 lines
12 KiB
XML
<ResourceDictionary
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xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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xmlns:controls="clr-namespace:Melskin.Controls">
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<!-- 定义MultiTreeViewItem的样式 -->
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<Style x:Key="DefaultMultiTreeViewItemStyle" TargetType="{x:Type controls:MultiTreeViewItem}">
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<!-- 设置前景色、背景色、边框圆角、字体大小等属性 -->
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<Setter Property="Background" Value="{DynamicResource ControlBackgroundNormalBrush}" />
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<Setter Property="Border.CornerRadius" Value="4" />
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<Setter Property="BorderBrush" Value="{DynamicResource BorderNormalBrush}" />
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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="Padding" Value="4,2,0,2" />
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<!-- 设置焦点样式、是否对设备像素进行对齐、是否是Tab停止点、是否覆盖默认样式等属性 -->
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<Setter Property="FocusVisualStyle" Value="{DynamicResource FocusVisual}" />
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<Setter Property="IsTabStop" Value="False" />
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<Setter Property="OverridesDefaultStyle" Value="True" />
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<Setter Property="SnapsToDevicePixels" Value="True" />
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<!-- 定义模板 -->
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<Setter Property="Template">
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<Setter.Value>
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<ControlTemplate TargetType="{x:Type controls:MultiTreeViewItem}">
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<!-- 定义网格布局 -->
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<Grid Background="{TemplateBinding Background}">
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<!-- 定义列和行 -->
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<Grid.RowDefinitions>
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<RowDefinition Height="Auto" />
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<RowDefinition Height="Auto" />
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</Grid.RowDefinitions>
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<!-- 定义边框，包含一个可展开/折叠的切换按钮、一个复选框和一个内容呈现器 -->
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<Border
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x:Name="Border"
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Padding="{TemplateBinding Padding}"
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HorizontalAlignment="Stretch"
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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 Border.CornerRadius}"
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SnapsToDevicePixels="True">
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<Grid>
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<Grid.ColumnDefinitions>
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<!-- 缩进 -->
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<ColumnDefinition Width="19" />
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<ColumnDefinition Width="Auto" />
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<ColumnDefinition Width="Auto" />
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<ColumnDefinition Width="*" />
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</Grid.ColumnDefinitions>
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<CheckBox
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x:Name="SelectionBox"
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Grid.Column="1"
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IsChecked="{Binding IsChecked, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}" />
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<ToggleButton
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x:Name="Expander"
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Grid.Column="2"
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ClickMode="Press"
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IsChecked="{Binding IsExpanded, RelativeSource={RelativeSource TemplatedParent}}"
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Style="{DynamicResource ExpandCollapseToggleButtonStyle}" />
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<ContentPresenter
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Name="PART_Header"
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Grid.Column="3"
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Margin="{TemplateBinding Padding}"
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HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
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VerticalAlignment="Center"
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ContentSource="Header"
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TextElement.FontSize="{TemplateBinding FontSize}" />
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</Grid>
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</Border>
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<!-- 定义子项的呈现器 -->
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<Grid Grid.Row="1">
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<Grid.ColumnDefinitions>
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<ColumnDefinition Width="19" />
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<ColumnDefinition Width="Auto" />
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<ColumnDefinition Width="Auto" />
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<ColumnDefinition Width="*" />
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</Grid.ColumnDefinitions>
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<ItemsPresenter
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Name="ItemsHost"
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Grid.Column="1"
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Grid.ColumnSpan="3"
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HorizontalAlignment="Stretch"
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Visibility="Collapsed" />
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</Grid>
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</Grid>
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<!-- 定义触发器，用于改变在特定条件下的视觉效果 -->
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<ControlTemplate.Triggers>
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<Trigger Property="IsExpanded" Value="True">
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<Setter TargetName="ItemsHost" Property="Visibility" Value="Visible" />
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</Trigger>
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<Trigger Property="HasItems" Value="False">
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<Setter TargetName="Expander" Property="Visibility" Value="Hidden" />
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</Trigger>
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<Trigger Property="UIElement.IsMouseOver" Value="True">
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<Setter TargetName="Border" Property="Background" Value="{DynamicResource ControlBackgroundHoverBrush}" />
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</Trigger>
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<!-- <Trigger Property="exc:MultiTreeView.IsItemSelected" Value="true"> -->
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<Trigger Property="IsChecked" Value="true">
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<Setter TargetName="Border" Property="Background" Value="{DynamicResource ControlBackgroundSelectedBrush}" />
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</Trigger>
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<MultiTrigger>
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<MultiTrigger.Conditions>
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<Condition Property="HasHeader" Value="False" />
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<Condition Property="Width" Value="Auto" />
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</MultiTrigger.Conditions>
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<Setter TargetName="PART_Header" Property="MinWidth" Value="75" />
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</MultiTrigger>
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<MultiTrigger>
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<MultiTrigger.Conditions>
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<Condition Property="HasHeader" Value="False" />
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<Condition Property="Height" Value="Auto" />
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</MultiTrigger.Conditions>
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<Setter TargetName="PART_Header" Property="MinHeight" Value="19" />
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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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<!-- 定义样式触发器，用于改变在特定条件下的样式 -->
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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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<!-- 定义MultiTreeView的样式 -->
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<Style x:Key="DefaultMultiTreeViewStyle" TargetType="{x:Type controls:MultiTreeView}">
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<!-- 定义样式触发器，用于改变在特定条件下的样式 -->
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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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<!-- 设置前景色、背景色、边框颜色、边距、填充、边框厚度等属性 -->
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<Setter Property="Background" Value="Transparent" />
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<Setter Property="BorderBrush" Value="Transparent" />
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<Setter Property="BorderThickness" Value="1" />
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<Setter Property="FocusVisualStyle" Value="{x:Null}" />
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<Setter Property="Foreground" Value="{DynamicResource TextPrimaryBrush}" />
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<Setter Property="Margin" Value="0" />
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<Setter Property="OverridesDefaultStyle" Value="True" />
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<Setter Property="Padding" Value="0" />
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<!-- 设置滚动条的可见性和内容滚动的能力 -->
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<Setter Property="ScrollViewer.CanContentScroll" Value="True" />
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<Setter Property="ScrollViewer.HorizontalScrollBarVisibility" Value="Auto" />
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<Setter Property="ScrollViewer.VerticalScrollBarVisibility" Value="Auto" />
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<!-- 设置是否覆盖默认样式、是否对设备像素进行对齐等属性 -->
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<Setter Property="SnapsToDevicePixels" Value="True" />
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<!-- 定义模板 -->
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<Setter Property="Template">
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<Setter.Value>
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<ControlTemplate TargetType="{x:Type controls:MultiTreeView}">
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<!-- 定义触发器，用于改变在特定条件下的视觉效果 -->
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<ControlTemplate.Triggers>
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<Trigger Property="VirtualizingPanel.IsVirtualizing" Value="True">
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<Setter TargetName="ItemsPresenterScrollViewer" Property="ScrollViewer.CanContentScroll" Value="True" />
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</Trigger>
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</ControlTemplate.Triggers>
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<!-- 定义边框，包含一个滚动视图，滚动视图中包含了所有的树视图项 -->
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<Border
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Name="Border"
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Padding="0"
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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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<ScrollViewer
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Name="ItemsPresenterScrollViewer"
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CanContentScroll="False"
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HorizontalScrollBarVisibility="{TemplateBinding ScrollViewer.HorizontalScrollBarVisibility}"
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VerticalScrollBarVisibility="{TemplateBinding ScrollViewer.VerticalScrollBarVisibility}">
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<ItemsPresenter Margin="{TemplateBinding Padding}" />
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</ScrollViewer>
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</Border>
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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 BasedOn="{StaticResource DefaultMultiTreeViewItemStyle}" TargetType="{x:Type controls:MultiTreeViewItem}" />
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<!-- 基于DefaultMultiTreeViewStyle的样式，应用于MultiTreeView -->
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<Style BasedOn="{StaticResource DefaultMultiTreeViewStyle}" TargetType="{x:Type controls:MultiTreeView}" />
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</ResourceDictionary> |