<Application.Resources>
        <LinearGradientBrush x:Key="MyBrushNormalBorder" EndPoint="1,1" StartPoint="0.2,0">
            <GradientStop Color="#FFB1B1B1" Offset="0.391"/>
            <GradientStop Color="#46FFFFFF" Offset="1"/>
        </LinearGradientBrush>
        <LinearGradientBrush x:Key="MyBrushNormalBevelBackground" EndPoint="0.5,1" StartPoint="0.5,0">
            <GradientStop Color="#FF414349" Offset="0.136"/>
            <GradientStop Color="#FF202124" Offset="0.668"/>
            <GradientStop Color="#FF0B153F" Offset="1"/>
        </LinearGradientBrush>
        <LinearGradientBrush x:Key="MyTreeBackground" EndPoint="0.5,1" StartPoint="0.5,0">
            <GradientStop Color="#FF202124" Offset="0.136"/>
            <GradientStop Color="#FF202124" Offset="0.668"/>
            <GradientStop Color="#FF181B28" Offset="1"/>
        </LinearGradientBrush>
        <Style TargetType="controls:TreeViewItem">
            <Setter Property="Padding" Value="0" />
            <Setter Property="Foreground" Value="#FFD2DCA6"/>
            <Setter Property="FontFamily" Value="Georgia"/>
            <Setter Property="FontSize" Value="11"/>
            <Setter Property="FontWeight" Value="Normal"/>
            <Setter Property="Background">
                <Setter.Value>
                    <LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
                        <GradientStop Color="#FFD2DCA6" Offset="0"/>
                        <GradientStop Color="#FFD2DCA6" Offset="1"/>
                    </LinearGradientBrush>
                </Setter.Value>
            </Setter>
            <Setter Property="BorderThickness" Value="0"/>
            <Setter Property="BorderBrush">
                <Setter.Value >
                    <LinearGradientBrush EndPoint="1,1" StartPoint="0.2,0">
                        <GradientStop Color="#FFB1B1B1" Offset="0.391"/>
                        <GradientStop Color="#46FFFFFF" Offset="1"/>
                    </LinearGradientBrush>
                </Setter.Value>
            </Setter>
            <Setter Property="HorizontalContentAlignment" Value="Stretch" />
            <Setter Property="VerticalContentAlignment" Value="Top" />
            <Setter Property="IsTabStop" Value="True" />
            <Setter Property="TabNavigation" Value="Once" />
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="controls:TreeViewItem">
                        <Grid Background="Transparent" Margin="{TemplateBinding Padding}">
                            <vsm:VisualStateManager.VisualStateGroups>
                                <vsm:VisualStateGroup x:Name="CommonStates">
                                    <vsm:VisualState x:Name="Normal" >
                                        <Storyboard>
                                            <DoubleAnimation Storyboard.TargetName="HoverBorder"
                                                     Storyboard.TargetProperty="Opacity"
                                                     Duration="0:0:0.3" To="0" />
                                        </Storyboard>
                                    </vsm:VisualState>
                                    <vsm:VisualState x:Name="MouseOver" >
                                        <Storyboard>
                                            <DoubleAnimation Storyboard.TargetName="HoverBorder"
                                                     Storyboard.TargetProperty="Opacity"
                                                     Duration="0:0:0.2" To="0.5" />
                                        </Storyboard>
                                    </vsm:VisualState>
                                    <vsm:VisualState x:Name="Pressed" />
                                    <vsm:VisualState x:Name="Disabled">

                                    </vsm:VisualState>
                                </vsm:VisualStateGroup>
                                <vsm:VisualStateGroup x:Name="SelectionStates">
                                    <vsm:VisualState x:Name="Unselected" />
                                    <vsm:VisualState x:Name="Selected">
                                        <Storyboard>
                                            <DoubleAnimation Storyboard.TargetName="SelectBorder"
                                                     Storyboard.TargetProperty="Opacity"
                                                     To="1" Duration="0:0:0.1"/>
                                            <DoubleAnimation Storyboard.TargetName="HoverBorder"
                                                     Storyboard.TargetProperty="Opacity"
                                                     To="0" Duration="0:0:0.1"/>
                                            <ColorAnimation Storyboard.TargetName="Header"
                                                     Storyboard.TargetProperty="(Foreground).(SolidColorBrush.Color)"
                                                     To="#FFB5BD24" Duration="0:0:0.1"/>
                                        </Storyboard>
                                    </vsm:VisualState>
                                    <vsm:VisualState x:Name="SelectedInactive">
                                        <Storyboard>
                                            <DoubleAnimation Storyboard.TargetName="SelectBorder"
                                                     Storyboard.TargetProperty="Opacity"
                                                     To="1" Duration="0:0:0.1"/>
                                            <DoubleAnimation Storyboard.TargetName="HoverBorder"
                                                     Storyboard.TargetProperty="Opacity"
                                                     To="0" Duration="0:0:0.1"/>
                                            <ColorAnimation Storyboard.TargetName="Header"
                                                     Storyboard.TargetProperty="(Foreground).(SolidColorBrush.Color)"
                                                     To="#FF202124" Duration="0:0:0.1"/>
                                        </Storyboard>
                                    </vsm:VisualState>
                                </vsm:VisualStateGroup>
                                <vsm:VisualStateGroup x:Name="HasItemsStates">
                                    <vsm:VisualState x:Name="HasItems" />
                                    <vsm:VisualState x:Name="NoItems">
                                        <Storyboard>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ExpanderButton"
                                                                   Storyboard.TargetProperty="Visibility"
                                                                   Duration="0">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="Collapsed" />
                                            </ObjectAnimationUsingKeyFrames>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ExpanderButton"
                                                                   Storyboard.TargetProperty="IsHitTestVisible"
                                                                   Duration="0">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="False" />
                                            </ObjectAnimationUsingKeyFrames>
                                        </Storyboard>

                                    </vsm:VisualState>
                                </vsm:VisualStateGroup>
                                <vsm:VisualStateGroup x:Name="ExpansionStates">
                                    <vsm:VisualState x:Name="Collapsed" >
                                        <Storyboard>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ExpandSite"
                                                                   Storyboard.TargetProperty="Visibility"
                                                                   BeginTime="0:0:0.2">
                                                <DiscreteObjectKeyFrame KeyTime="0:0:0.0" Value="Collapsed" />
                                            </ObjectAnimationUsingKeyFrames>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="line"
                                                                   Storyboard.TargetProperty="Visibility"
                                                                   Duration="0:0:0.2">
                                                <DiscreteObjectKeyFrame KeyTime="0:0:0.2" Value="Collapsed" />
                                            </ObjectAnimationUsingKeyFrames>
                                            <DoubleAnimation Storyboard.TargetName="line"
                                                     Storyboard.TargetProperty="Opacity"
                                                     Duration="0:0:0.2" To="0"/>
                                            <DoubleAnimation Storyboard.TargetName="ExpandSite"
                                                     Storyboard.TargetProperty="Opacity"
                                                     BeginTime="0:0:0"
                                                     Duration="0:0:0.2" To="0"/>
                                        </Storyboard>
                                    </vsm:VisualState>
                                    <vsm:VisualState x:Name="Expanded">
                                        <Storyboard>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ExpandSite"
                                                                   Storyboard.TargetProperty="Visibility"
                                                                   BeginTime="0:0:0">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="Visible" />
                                            </ObjectAnimationUsingKeyFrames>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="line"
                                                                   Storyboard.TargetProperty="Visibility"
                                                                   Duration="0">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="Visible" />
                                            </ObjectAnimationUsingKeyFrames>
                                            <DoubleAnimation Storyboard.TargetName="line"
                                                     Storyboard.TargetProperty="Opacity"
                                                     Duration="0:0:0.2" To="1"/>
                                            <DoubleAnimation Storyboard.TargetName="ExpandSite"
                                                     Storyboard.TargetProperty="Opacity"
                                                     BeginTime="0:0:0.01"
                                                     Duration="0:0:0.3" To="1"/>
                                        </Storyboard>
                                    </vsm:VisualState>
                                </vsm:VisualStateGroup>
                                <vsm:VisualStateGroup x:Name="ValidationStates">
                                    <vsm:VisualState x:Name="Valid" />
                                    <vsm:VisualState x:Name="InvalidUnfocused">
                                    </vsm:VisualState>
                                    <vsm:VisualState x:Name="InvalidFocused">
                                    </vsm:VisualState>
                                </vsm:VisualStateGroup>
                            </vsm:VisualStateManager.VisualStateGroups>
                            <Grid.RowDefinitions>
                                <RowDefinition Height="Auto" />
                                <RowDefinition Height="*" />
                            </Grid.RowDefinitions>
                            <Grid x:Name="HoverBorder" Opacity="0"
                          IsHitTestVisible="False" Margin="5 0 0 0">
                                <Border BorderBrush="{TemplateBinding BorderBrush}"
                                CornerRadius="3"
                                BorderThickness="{TemplateBinding BorderThickness}"
                                Background="{TemplateBinding Background}"/>
                            </Grid>

                            <Grid x:Name="SelectBorder" Opacity="0"
                          IsHitTestVisible="False" Margin="5 0 0 0">
                                <Border BorderBrush="{TemplateBinding BorderBrush}"
                                CornerRadius="3"
                                BorderThickness="{TemplateBinding BorderThickness}"
                                Background="{TemplateBinding Background}"/>
                            </Grid>
                            <Grid >
                                <StackPanel Orientation="Horizontal" HorizontalAlignment="Left"
                                MinHeight="20">
                                    <Line x:Name="lineH" Stroke="{TemplateBinding Foreground}"
                                  StrokeThickness="1" X1="0" X2="10"
                                  Y1="0" Y2="0" StrokeDashArray="1 2" Stretch="UniformToFill"
                                  VerticalAlignment="Center" HorizontalAlignment="Left"                          
                                  UseLayoutRounding="True" IsHitTestVisible="False"/>

                                    <ToggleButton x:Name="ExpanderButton" HorizontalAlignment="Left" Width="14"
                                      Height="14" Margin="3 0 0 0"
                                  VerticalAlignment="Center" IsTabStop="False" TabNavigation="Once">
                                        <ToggleButton.Template>
                                            <ControlTemplate TargetType="ToggleButton">
                                                <Grid x:Name="Root" Background="Transparent" >
                                                    <vsm:VisualStateManager.VisualStateGroups>
                                                        <vsm:VisualStateGroup x:Name="CommonStates">
                                                            <vsm:VisualState x:Name="Normal" />
                                                            <vsm:VisualState x:Name="MouseOver">
                                                                <Storyboard>
                                                                    <DoubleAnimation Storyboard.TargetName="OuterBorder"
                                                                     Storyboard.TargetProperty="Opacity"
                                                                     To="1" Duration="0:0:0.1" />
                                                                </Storyboard>
                                                            </vsm:VisualState>
                                                            <vsm:VisualState x:Name="Disabled">
                                                                <Storyboard>
                                                                    <DoubleAnimation Storyboard.TargetName="Root"
                                                                     Storyboard.TargetProperty="Opacity"
                                                                     To="0.5"
                                                                     Duration="0" />
                                                                </Storyboard>
                                                            </vsm:VisualState>
                                                        </vsm:VisualStateGroup>
                                                        <vsm:VisualStateGroup x:Name="CheckStates">
                                                            <vsm:VisualState x:Name="Unchecked" />
                                                            <vsm:VisualState x:Name="Checked">
                                                                <Storyboard>
                                                                    <DoubleAnimation Storyboard.TargetName="UncheckedVisual"
                                                                     Storyboard.TargetProperty="Opacity"
                                                                     To="0" Duration="0" />
                                                                    <DoubleAnimation Storyboard.TargetName="CheckedVisual"
                                                                     Storyboard.TargetProperty="Opacity"
                                                                     To="1" Duration="0" />
                                                                </Storyboard>
                                                            </vsm:VisualState>
                                                        </vsm:VisualStateGroup>
                                                    </vsm:VisualStateManager.VisualStateGroups>
                                                    <Border x:Name="OuterBorder"
                                                BorderBrush="{StaticResource MyBrushNormalBorder}"
                                                CornerRadius="3"
                                                BorderThickness="1" Opacity="0.5"
                                                    Background="{StaticResource MyBrushNormalBevelBackground}"/>
                                                    <Grid Margin="3" >
                                                        <Path x:Name="UncheckedVisual" UseLayoutRounding="False"
                                              HorizontalAlignment="Center"  Stretch="Uniform"
                                              Data="M0,4 L4,4 L4,0 L6,0 L6,4 L10,4 L10,6 L6,6 L6,10 L4,10 L4,6 L0,6 z"
                                              VerticalAlignment="Center"
                                              Opacity="1" Fill="#FFB5BD24">
                                                        </Path>
                                                        <Path x:Name="CheckedVisual" UseLayoutRounding="False"
                                              HorizontalAlignment="Center" Stretch="Uniform"
                                              Data="M0,4 L10,4 L10,6 L0,6 z"
                                              VerticalAlignment="Center"
                                              Opacity="0" Fill="#FFB5BD24">
                                                        </Path>
                                                    </Grid>
                                                </Grid>
                                            </ControlTemplate>
                                        </ToggleButton.Template>
                                    </ToggleButton>

                                    <Button x:Name="Header" ClickMode="Hover"
                                    Background="{TemplateBinding Background}"
                                    Foreground="{TemplateBinding Foreground}"
                                    BorderBrush="{TemplateBinding BorderBrush}"
                                    BorderThickness="{TemplateBinding BorderThickness}"
                                    Cursor="{TemplateBinding Cursor}"
                                    HorizontalAlignment="Stretch"
                                    VerticalAlignment="Stretch" Margin="3 0"
                                    FontFamily="{TemplateBinding FontFamily}"
                                    FontWeight="{TemplateBinding FontWeight}"
                                    FontSize="{TemplateBinding FontSize}"
                                    IsTabStop="False" TabNavigation="Once">
                                        <Button.Template>
                                            <ControlTemplate TargetType="Button">
                                                <Grid>
                                                    <vsm:VisualStateManager.VisualStateGroups>
                                                        <vsm:VisualStateGroup x:Name="CommonStates">
                                                            <vsm:VisualState x:Name="Normal" />
                                                            <vsm:VisualState x:Name="Pressed">
                                                            </vsm:VisualState>
                                                            <vsm:VisualState x:Name="Disabled">
                                                                <Storyboard>
                                                                    <DoubleAnimation Storyboard.TargetName="Content"
                                                                             Storyboard.TargetProperty="Opacity"
                                                                             Duration="0" To="0.5" />
                                                                </Storyboard>
                                                            </vsm:VisualState>
                                                        </vsm:VisualStateGroup>
                                                    </vsm:VisualStateManager.VisualStateGroups>
                                                    <Grid Background="Transparent" >
                                                        <ContentPresenter x:Name="Content" Cursor="{TemplateBinding Cursor}"
                                                      Content="{TemplateBinding Content}"
                                                      ContentTemplate="{TemplateBinding ContentTemplate}"
                                                      HorizontalAlignment="Stretch"
                                                      VerticalAlignment="Center"/>
                                                    </Grid>
                                                </Grid>
                                            </ControlTemplate>
                                        </Button.Template>
                                        <Button.Content>
                                            <Grid Background="Transparent" >
                                                <ContentPresenter Content="{TemplateBinding Header}"
                                                ContentTemplate="{TemplateBinding HeaderTemplate}" />
                                            </Grid>
                                        </Button.Content>
                                    </Button>
                                </StackPanel>
                            </Grid>
                            <ContentControl x:Name="ExpandSite" Grid.Row="1"
                                  Margin="20 0 0 0"
                                  Visibility="Collapsed"
                                  HorizontalAlignment="Stretch"
                                  HorizontalContentAlignment="Stretch">
                                <ItemsPresenter />
                            </ContentControl>

                            <Border Grid.Row="1" Margin="20 0 0 0" IsHitTestVisible="False">
                                <Line x:Name="line" Stroke="{TemplateBinding Foreground}"
                              StrokeThickness="1" X1="0" X2="0"
                          Y1="0" Y2="2" StrokeDashArray="1 1"
                              Stretch="UniformToFill"
                          Width="1"  VerticalAlignment="Stretch" HorizontalAlignment="Left"                             
                          UseLayoutRounding="False" Opacity="0" Visibility="Collapsed"/>
                            </Border>

                        </Grid>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>

        <Style TargetType="controls:TreeView" x:Key="TreeType">
            <Setter Property="Background" Value="{StaticResource MyTreeBackground}"/>
            <Setter Property="Foreground" Value="#FFD2DCA6" />
            <Setter Property="HorizontalContentAlignment" Value="Left" />
            <Setter Property="VerticalContentAlignment" Value="Top" />
            <Setter Property="BorderThickness" Value="1" />
            <Setter Property="Padding" Value="2" />
            <Setter Property="BorderBrush">
                <Setter.Value>
                    <LinearGradientBrush EndPoint="1,1" StartPoint="0.2,0">
                        <GradientStop Color="#FFB1B1B1" Offset="0.391"/>
                        <GradientStop Color="#46FFFFFF" Offset="1"/>
                    </LinearGradientBrush>
                </Setter.Value>
            </Setter>
            <Setter Property="IsTabStop" Value="True" />
            <Setter Property="TabNavigation" Value="Once" />
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="controls:TreeView">
                        <Grid>
                            <vsm:VisualStateManager.VisualStateGroups>
                                <vsm:VisualStateGroup x:Name="CommonStates">
                                    <vsm:VisualState x:Name="Normal" />
                                    <vsm:VisualState x:Name="MouseOver" />
                                    <vsm:VisualState x:Name="Pressed" />
                                    <vsm:VisualState x:Name="Disabled" />
                                </vsm:VisualStateGroup>
                                <vsm:VisualStateGroup x:Name="FocusStates">
                                    <vsm:VisualState x:Name="Unfocused" />
                                    <vsm:VisualState x:Name="Focused" />
                                </vsm:VisualStateGroup>
                                <vsm:VisualStateGroup x:Name="ValidationStates">
                                    <vsm:VisualState x:Name="Valid" />
                                    <vsm:VisualState x:Name="InvalidUnfocused">

                                    </vsm:VisualState>
                                    <vsm:VisualState x:Name="InvalidFocused">

                                    </vsm:VisualState>
                                </vsm:VisualStateGroup>
                            </vsm:VisualStateManager.VisualStateGroups>

                            <Border x:Name="InnerBorder" BorderThickness="1" CornerRadius="4"
                            Background="{TemplateBinding Background}"
                            BorderBrush="{TemplateBinding BorderBrush}"
                            Padding="0">

                                <ScrollViewer x:Name="ScrollViewer" Padding="{TemplateBinding Padding}"
                                      Background="{x:Null}"
                                      BorderBrush="Transparent" BorderThickness="0" Margin="0"
                                      TabNavigation="{TemplateBinding TabNavigation}">
                                    <ItemsPresenter />
                                </ScrollViewer>
                            </Border>
                        </Grid>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>
    </Application.Resources>