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<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
<ResourceDictionary.MergedDictionaries>
<ResourceDictionary Source="Brushes.xaml" />
</ResourceDictionary.MergedDictionaries>
<Style x:Key="ToggleButtonStyle"
TargetType="ToggleButton">
<Setter Property="SnapsToDevicePixels"
Value="true" />
<Setter Property="OverridesDefaultStyle"
Value="true" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="ToggleButton">
<Border x:Name="Border"
CornerRadius="2"
BorderThickness="1"
Background="{StaticResource NormalBrush}"
BorderBrush="{StaticResource NormalBorderBrush}">
<ContentPresenter Margin="{TemplateBinding Padding}"
HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
VerticalAlignment="{TemplateBinding VerticalContentAlignment}" />
</Border>
<ControlTemplate.Triggers>
<Trigger Property="IsMouseOver"
Value="true">
<Setter TargetName="Border"
Property="Background"
Value="{StaticResource DarkBrush}" />
</Trigger>
<Trigger Property="IsPressed"
Value="true">
<Setter TargetName="Border"
Property="Background"
Value="{StaticResource PressedBrush}" />
<Setter TargetName="Border"
Property="BorderBrush"
Value="{StaticResource PressedBorderBrush}" />
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
<Style TargetType="Expander">
<Setter Property="Padding"
Value="8" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="Expander">
<DockPanel>
<ToggleButton Style="{StaticResource ToggleButtonStyle}"
DockPanel.Dock="Top"
IsChecked="{Binding Path=IsExpanded,Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}"
HorizontalContentAlignment="Left"
VerticalContentAlignment="Center">
<ToggleButton.Content>
<StackPanel Orientation="Horizontal">
<Path SnapsToDevicePixels="True"
Name="Arrow"
Margin="8,0,8,0"
Fill="{TemplateBinding Foreground}"
Stroke="{TemplateBinding Foreground}"
StrokeThickness="0.5"
RenderTransformOrigin="0.5,0.5"
HorizontalAlignment="Right"
VerticalAlignment="Center"
Data="M 0 0 L 0 8 L 5 4 Z">
<Path.RenderTransform>
<RotateTransform Angle="0" />
</Path.RenderTransform>
</Path>
<ContentPresenter Name="HeaderContent"
Margin="4"
ContentSource="Header" />
</StackPanel>
</ToggleButton.Content>
</ToggleButton>
<Border Name="Content"
BorderThickness="1,0,1,1"
BorderBrush="{StaticResource NormalBorderBrush}"
Background="{TemplateBinding Background}"
CornerRadius="0,0,1,1"
SnapsToDevicePixels="True">
<Border.LayoutTransform>
<ScaleTransform ScaleY="0" />
</Border.LayoutTransform>
<ContentPresenter Content="{TemplateBinding Content}"
ToolTipService.IsEnabled="False" />
</Border>
</DockPanel>
<ControlTemplate.Triggers>
<Trigger Property="Expander.IsExpanded"
Value="True">
<Trigger.EnterActions>
<BeginStoryboard>
<Storyboard>
<DoubleAnimation Storyboard.TargetName="Content"
Storyboard.TargetProperty="LayoutTransform.ScaleY"
To="1"
Duration="0:0:0.5" />
<DoubleAnimation Storyboard.TargetName="Content"
Storyboard.TargetProperty="Opacity"
To="1"
Duration="0:0:0.5" />
<DoubleAnimation Storyboard.TargetName="Arrow"
Storyboard.TargetProperty="(FrameworkElement.RenderTransform).(RotateTransform.Angle)"
Duration="0:0:0.2"
To="90"
DecelerationRatio="1" />
</Storyboard>
</BeginStoryboard>
</Trigger.EnterActions>
<Trigger.ExitActions>
<BeginStoryboard>
<Storyboard>
<DoubleAnimation Storyboard.TargetName="Content"
Storyboard.TargetProperty="LayoutTransform.ScaleY"
To="0"
Duration="0:0:0.5" />
<DoubleAnimation Storyboard.TargetName="Content"
Storyboard.TargetProperty="Opacity"
To="0"
Duration="0:0:0.5" />
<DoubleAnimation Storyboard.TargetName="Arrow"
Storyboard.TargetProperty="(FrameworkElement.RenderTransform).(RotateTransform.Angle)"
Duration="0:0:0.2"
AccelerationRatio="1" />
</Storyboard>
</BeginStoryboard>
</Trigger.ExitActions>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</ResourceDictionary>
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