From c9fdcd1114b43d0a8f0a34df4df192fe5338b833 Mon Sep 17 00:00:00 2001
From: NaBian <836904362@qq.com>
Date: Thu, 23 Aug 2018 19:49:08 +0800
Subject: [PATCH] add Expander

---
 .../Controls/{ => Attach}/IconElement.cs      |   2 +-
 .../Controls/Attach/IconSwitchElement.cs      |  35 ++++
 .../Controls/Attach/StatusSwitchElement.cs    |  15 ++
 HandyControl/HandyControl.csproj              |  20 +-
 .../Styles/Base/ToggleButtonBaseStyle.xaml    |  49 +++++
 .../Base/ToggleButtonSwitchBaseStyle.xaml     | 184 ++++++++++++++++++
 HandyControl/Themes/Styles/Expander.xaml      |  85 ++++++++
 HandyControl/Themes/Styles/Style.xaml         |   2 +-
 HandyControl/Themes/Styles/ToggleButton.xaml  | 149 ++++++++++++++
 HandyControlDemo/MainWindow.xaml              |  26 +++
 README.md                                     |   6 +-
 Resources/Expander.gif                        | Bin 0 -> 11107 bytes
 12 files changed, 569 insertions(+), 4 deletions(-)
 rename HandyControl/Controls/{ => Attach}/IconElement.cs (96%)
 create mode 100644 HandyControl/Controls/Attach/IconSwitchElement.cs
 create mode 100644 HandyControl/Controls/Attach/StatusSwitchElement.cs
 create mode 100644 HandyControl/Themes/Styles/Base/ToggleButtonBaseStyle.xaml
 create mode 100644 HandyControl/Themes/Styles/Base/ToggleButtonSwitchBaseStyle.xaml
 create mode 100644 HandyControl/Themes/Styles/Expander.xaml
 create mode 100644 HandyControl/Themes/Styles/ToggleButton.xaml
 create mode 100644 Resources/Expander.gif

diff --git a/HandyControl/Controls/IconElement.cs b/HandyControl/Controls/Attach/IconElement.cs
similarity index 96%
rename from HandyControl/Controls/IconElement.cs
rename to HandyControl/Controls/Attach/IconElement.cs
index 3cc778b5..62f69c5d 100644
--- a/HandyControl/Controls/IconElement.cs
+++ b/HandyControl/Controls/Attach/IconElement.cs
@@ -1,6 +1,7 @@
 using System.Windows;
 using System.Windows.Media;
 
+// ReSharper disable once CheckNamespace
 namespace HandyControl.Controls
 {
     public class IconElement : DependencyObject
@@ -31,5 +32,4 @@ namespace HandyControl.Controls
             return (double)element.GetValue(AngleProperty);
         }
     }
-
 }
\ No newline at end of file
diff --git a/HandyControl/Controls/Attach/IconSwitchElement.cs b/HandyControl/Controls/Attach/IconSwitchElement.cs
new file mode 100644
index 00000000..0b6f8a9a
--- /dev/null
+++ b/HandyControl/Controls/Attach/IconSwitchElement.cs
@@ -0,0 +1,35 @@
+using System.Windows;
+using System.Windows.Media;
+
+// ReSharper disable once CheckNamespace
+namespace HandyControl.Controls
+{
+    public class IconSwitchElement : DependencyObject
+    {
+        public static readonly DependencyProperty GeometryProperty = DependencyProperty.RegisterAttached(
+            "Geometry", typeof(Geometry), typeof(IconSwitchElement), new PropertyMetadata(default(Geometry)));
+
+        public static void SetGeometry(DependencyObject element, Geometry value)
+        {
+            element.SetValue(GeometryProperty, value);
+        }
+
+        public static Geometry GetGeometry(DependencyObject element)
+        {
+            return (Geometry)element.GetValue(GeometryProperty);
+        }
+
+        public static readonly DependencyProperty GeometrySelectedProperty = DependencyProperty.RegisterAttached(
+            "GeometrySelected", typeof(Geometry), typeof(IconSwitchElement), new PropertyMetadata(default(Geometry)));
+
+        public static void SetGeometrySelected(DependencyObject element, Geometry value)
+        {
+            element.SetValue(GeometrySelectedProperty, value);
+        }
+
+        public static Geometry GetGeometrySelected(DependencyObject element)
+        {
+            return (Geometry)element.GetValue(GeometrySelectedProperty);
+        }
+    }
+}
\ No newline at end of file
diff --git a/HandyControl/Controls/Attach/StatusSwitchElement.cs b/HandyControl/Controls/Attach/StatusSwitchElement.cs
new file mode 100644
index 00000000..6c52ab80
--- /dev/null
+++ b/HandyControl/Controls/Attach/StatusSwitchElement.cs
@@ -0,0 +1,15 @@
+using System.Windows;
+
+// ReSharper disable once CheckNamespace
+namespace HandyControl.Controls
+{
+    public class StatusSwitchElement
+    {
+        public static readonly DependencyProperty CheckedElementProperty = DependencyProperty.RegisterAttached(
+            "CheckedElement", typeof(object), typeof(StatusSwitchElement), new PropertyMetadata(default(object)));
+
+        public static void SetCheckedElement(DependencyObject element, object value) => element.SetValue(CheckedElementProperty, value);
+
+        public static object GetCheckedElement(DependencyObject element) => element.GetValue(CheckedElementProperty);
+    }
+}
\ No newline at end of file
diff --git a/HandyControl/HandyControl.csproj b/HandyControl/HandyControl.csproj
index 4cde2006..c4ad4433 100644
--- a/HandyControl/HandyControl.csproj
+++ b/HandyControl/HandyControl.csproj
@@ -31,13 +31,15 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
+    <Compile Include="Controls\Attach\IconSwitchElement.cs" />
+    <Compile Include="Controls\Attach\StatusSwitchElement.cs" />
     <Compile Include="Controls\Carousel.xaml.cs">
       <DependentUpon>Carousel.xaml</DependentUpon>
     </Compile>
     <Compile Include="Controls\ColorPicker.xaml.cs">
       <DependentUpon>ColorPicker.xaml</DependentUpon>
     </Compile>
-    <Compile Include="Controls\IconElement.cs" />
+    <Compile Include="Controls\Attach\IconElement.cs" />
     <Compile Include="Controls\Info\InfoControl.cs" />
     <Compile Include="Controls\Info\InfoNumericUpDown.xaml.cs">
       <DependentUpon>InfoNumericUpDown.xaml</DependentUpon>
@@ -200,6 +202,14 @@
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
     </Page>
+    <Page Include="Themes\Styles\Base\ToggleButtonBaseStyle.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
+    <Page Include="Themes\Styles\Base\ToggleButtonSwitchBaseStyle.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
     <Page Include="Themes\Styles\Border.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
@@ -208,6 +218,10 @@
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
     </Page>
+    <Page Include="Themes\Styles\Expander.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
     <Page Include="Themes\Styles\ListBox.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
@@ -244,6 +258,10 @@
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
     </Page>
+    <Page Include="Themes\Styles\ToggleButton.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
   </ItemGroup>
   <ItemGroup>
     <Reference Include="PresentationCore" />
diff --git a/HandyControl/Themes/Styles/Base/ToggleButtonBaseStyle.xaml b/HandyControl/Themes/Styles/Base/ToggleButtonBaseStyle.xaml
new file mode 100644
index 00000000..1930b0cd
--- /dev/null
+++ b/HandyControl/Themes/Styles/Base/ToggleButtonBaseStyle.xaml
@@ -0,0 +1,49 @@
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+
+    <ResourceDictionary.MergedDictionaries>
+        <ResourceDictionary Source="ButtonBaseBaseStyle.xaml"></ResourceDictionary>
+    </ResourceDictionary.MergedDictionaries>
+
+    <Style x:Key="ToggleButtonBaseStyle" BasedOn="{StaticResource ButtonBaseBaseStyle}" TargetType="{x:Type ToggleButton}">
+        <Setter Property="Template">
+            <Setter.Value>
+                <ControlTemplate TargetType="{x:Type ToggleButton}">
+                    <Grid>
+                        <Border x:Name="border" CornerRadius="4" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" Padding="0" SnapsToDevicePixels="true">
+                            <!--点下时显示-->
+                            <Grid x:Name="CheckedLayer" Visibility="Collapsed">
+                                <Rectangle Height="3" VerticalAlignment="Top" Fill="#1F000000" RadiusX="4" RadiusY="4">
+                                    <Rectangle.Effect>
+                                        <BlurEffect Radius="5"></BlurEffect>
+                                    </Rectangle.Effect>
+                                </Rectangle>
+                                <Border CornerRadius="4" BorderBrush="#1F000000" BorderThickness="1,0">
+                                    <Border.Effect>
+                                        <BlurEffect Radius="3"></BlurEffect>
+                                    </Border.Effect>
+                                </Border>
+                            </Grid>
+                        </Border>
+                        <Border BorderThickness="{TemplateBinding BorderThickness}">
+                            <ContentPresenter HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" Margin="{TemplateBinding Padding}" RecognizesAccessKey="True" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
+                        </Border>
+                        <!--禁用时显示-->
+                        <Rectangle x:Name="EnabledLayer" Fill="#4CFFFFFF" RadiusX="4" RadiusY="4" Visibility="Collapsed"/>
+                    </Grid>
+                    <ControlTemplate.Triggers>
+                        <Trigger Property="IsChecked" Value="true">
+                            <Setter TargetName="CheckedLayer" Property="Visibility" Value="Visible"/>
+                            <Setter TargetName="border" Property="BorderBrush" Value="#80cccccc"/>
+                            <Setter TargetName="border" Property="BorderThickness" Value="4"></Setter>
+                        </Trigger>
+                        <Trigger Property="IsEnabled" Value="false">
+                            <Setter TargetName="EnabledLayer" Property="Visibility" Value="Visible"/>
+                        </Trigger>
+                    </ControlTemplate.Triggers>
+                </ControlTemplate>
+            </Setter.Value>
+        </Setter>
+    </Style>
+
+</ResourceDictionary>
\ No newline at end of file
diff --git a/HandyControl/Themes/Styles/Base/ToggleButtonSwitchBaseStyle.xaml b/HandyControl/Themes/Styles/Base/ToggleButtonSwitchBaseStyle.xaml
new file mode 100644
index 00000000..ad96b31f
--- /dev/null
+++ b/HandyControl/Themes/Styles/Base/ToggleButtonSwitchBaseStyle.xaml
@@ -0,0 +1,184 @@
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                    xmlns:controls="clr-namespace:HandyControl.Controls">
+
+    <Style x:Key="ToggleButtonSwitchBaseStyle" TargetType="{x:Type ToggleButton}">
+        <Setter Property="FocusVisualStyle" Value="{x:Null}"/>
+        <Setter Property="Foreground" Value="{DynamicResource PrimaryTextBrush}"/>
+        <Setter Property="Background" Value="{DynamicResource PrimaryBrush}"/>
+        <Setter Property="BorderThickness" Value="1"/>
+        <Setter Property="Padding" Value="0 1 0 0"/>
+        <Setter Property="Template">
+            <Setter.Value>
+                <ControlTemplate TargetType="{x:Type ToggleButton}">
+                    <ControlTemplate.Resources>
+                        <SineEase x:Key="RippleEasingFunction" EasingMode="EaseInOut"/>
+                        <Storyboard x:Key="ShowRipple">
+                            <DoubleAnimation Storyboard.TargetName="RippleThumb" Storyboard.TargetProperty="Opacity"
+                                             EasingFunction="{StaticResource RippleEasingFunction}"
+                                             To="0.26" Duration="0"/>
+                            <DoubleAnimation Storyboard.TargetName="RippleThumb" Storyboard.TargetProperty="(UIElement.RenderTransform).(ScaleTransform.ScaleX)"
+                                             EasingFunction="{StaticResource RippleEasingFunction}"
+                                             From="1" To="2.5" Duration="0:0:0.2"/>
+                            <DoubleAnimation Storyboard.TargetName="RippleThumb" Storyboard.TargetProperty="(UIElement.RenderTransform).(ScaleTransform.ScaleY)"
+                                             EasingFunction="{StaticResource RippleEasingFunction}"
+                                             From="1" To="2.5" Duration="0:0:0.2"/>
+                        </Storyboard>
+                        <Storyboard x:Key="HideRipple">
+                            <DoubleAnimation Storyboard.TargetName="RippleThumb" Storyboard.TargetProperty="Opacity"
+                                             EasingFunction="{StaticResource RippleEasingFunction}"
+                                             To="0" Duration="0:0:0.3"/>
+                        </Storyboard>
+                    </ControlTemplate.Resources>
+                    <Viewbox Width="34">
+                        <VisualStateManager.VisualStateGroups>
+                            <VisualStateGroup x:Name="CheckStates">
+                                <VisualStateGroup.Transitions>
+                                    <VisualTransition From="*" To="Checked">
+                                        <Storyboard>
+                                            <DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.RenderTransform).(TranslateTransform.X)" Storyboard.TargetName="ThumbHolder">
+                                                <EasingDoubleKeyFrame KeyTime="0" Value="0"/>
+                                                <EasingDoubleKeyFrame KeyTime="0:0:0.2" Value="23.5">
+                                                    <EasingDoubleKeyFrame.EasingFunction>
+                                                        <QuadraticEase EasingMode="EaseOut"/>
+                                                    </EasingDoubleKeyFrame.EasingFunction>
+                                                </EasingDoubleKeyFrame>
+                                            </DoubleAnimationUsingKeyFrames>
+                                        </Storyboard>
+                                    </VisualTransition>
+                                    <VisualTransition From="Checked" To="Unchecked">
+                                        <Storyboard>
+                                            <DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.RenderTransform).(TranslateTransform.X)" Storyboard.TargetName="ThumbHolder">
+                                                <EasingDoubleKeyFrame KeyTime="0" Value="23.5"/>
+                                                <EasingDoubleKeyFrame KeyTime="0:0:0.2" Value="0">
+                                                    <EasingDoubleKeyFrame.EasingFunction>
+                                                        <QuadraticEase EasingMode="EaseOut"/>
+                                                    </EasingDoubleKeyFrame.EasingFunction>
+                                                </EasingDoubleKeyFrame>
+                                            </DoubleAnimationUsingKeyFrames>
+                                        </Storyboard>
+                                    </VisualTransition>
+                                </VisualStateGroup.Transitions>
+                                <VisualState x:Name="Checked">
+                                    <Storyboard>
+                                        <DoubleAnimation Storyboard.TargetProperty="(UIElement.RenderTransform).(TranslateTransform.X)" Storyboard.TargetName="ThumbHolder"
+                                                         Duration="0" To="23.5" />
+                                    </Storyboard>
+                                </VisualState>
+                                <VisualState x:Name="Unchecked">
+                                    <Storyboard>
+                                        <DoubleAnimation Storyboard.TargetProperty="(UIElement.RenderTransform).(TranslateTransform.X)" Storyboard.TargetName="ThumbHolder"
+                                                         Duration="0" To="0" />
+                                    </Storyboard>
+                                </VisualState>
+                            </VisualStateGroup>
+                        </VisualStateManager.VisualStateGroups>
+                        <Grid>
+                            <Rectangle x:Name="Track" Fill="Black" HorizontalAlignment="Left" Height="15" Margin="4.211,5,4.211,0" Stroke="{x:Null}" VerticalAlignment="Top" Width="40" RadiusY="7.5" RadiusX="7.5" Opacity="0.26"/>
+
+                            <Grid x:Name="ThumbHolder"
+                                  HorizontalAlignment="Left" VerticalAlignment="Top">
+                                <Ellipse x:Name="RippleThumb"
+                                         Fill="{DynamicResource LightPrimaryBrush}"
+                                         Height="25" Width="25"
+                                         IsHitTestVisible="False"
+                                         Opacity="0.26"
+                                         Margin="0"
+                                         HorizontalAlignment="Center" VerticalAlignment="Center"
+                                         RenderTransformOrigin="0.5,0.5">
+                                    <Ellipse.RenderTransform>
+                                        <ScaleTransform ScaleX="1" ScaleY="1"/>
+                                    </Ellipse.RenderTransform>
+                                </Ellipse>
+                                <AdornerDecorator>
+                                    <Ellipse x:Name="Thumb"
+                                             Fill="#FFFAFAFA" Stroke="{x:Null}" 
+                                             HorizontalAlignment="Center" VerticalAlignment="Center"
+                                             Width="25" Height="25"
+                                             Margin="0,0,0,0"
+                                             RenderTransformOrigin="0.5,0.5"
+                                             Effect="{DynamicResource EffectShadow1}">
+                                    </Ellipse>
+                                </AdornerDecorator>
+                                <ContentPresenter ContentTemplate="{TemplateBinding ContentTemplate}" Content="{TemplateBinding Content}"
+                                                  Margin="{TemplateBinding Padding}"
+                                                  x:Name="ContentPresenter"
+                                                  HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" 
+                                                  FlowDirection="LeftToRight"/>
+                                <Grid.RenderTransform>
+                                    <TranslateTransform X="0" Y="0"/>
+                                </Grid.RenderTransform>
+                            </Grid>
+                        </Grid>
+                    </Viewbox>
+                    <ControlTemplate.Triggers>
+                        <Trigger Property="IsChecked" Value="True">
+                            <Setter TargetName="Thumb" Property="Fill" Value="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=Background}" />
+                            <Setter TargetName="Track" Property="Fill" Value="{DynamicResource LightPrimaryBrush}" />
+                            <Setter Property="Foreground" Value="{DynamicResource SecondaryTextBrush}"/>
+                        </Trigger>
+                        <Trigger Property="IsChecked" Value="False">
+                            <Setter Property="Foreground" Value="{DynamicResource PrimaryBrush}"/>
+                        </Trigger>
+                        <Trigger Property="Button.IsDefaulted" Value="true"/>
+                        <Trigger Property="IsMouseOver" Value="true"/>
+                        <Trigger Property="IsPressed" Value="true">
+                            <Trigger.EnterActions>
+                                <BeginStoryboard Storyboard="{StaticResource ShowRipple}"/>
+                            </Trigger.EnterActions>
+                            <Trigger.ExitActions>
+                                <BeginStoryboard Storyboard="{StaticResource HideRipple}"/>
+                            </Trigger.ExitActions>
+                        </Trigger>
+                        <Trigger Property="IsEnabled" Value="false">
+                            <Setter Property="Opacity" Value=".2" />
+                        </Trigger>
+                    </ControlTemplate.Triggers>
+                </ControlTemplate>
+            </Setter.Value>
+        </Setter>
+    </Style>
+
+    <Style x:Key="ToggleButtonIconBaseStyle" TargetType="{x:Type ToggleButton}">
+        <Setter Property="Foreground" Value="{DynamicResource PrimaryTextBrush}"></Setter>
+        <Setter Property="Width" Value="{DynamicResource DefaultControlHeight}"/>
+        <Setter Property="Height" Value="{DynamicResource DefaultControlHeight}"/>
+        <Setter Property="Padding" Value="8"></Setter>
+        <Setter Property="controls:IconSwitchElement.Geometry" Value="{x:Null}"></Setter>
+        <Setter Property="controls:IconSwitchElement.GeometrySelected" Value="{x:Null}"></Setter>
+        <Setter Property="FocusVisualStyle" Value="{x:Null}"/>
+        <Setter Property="Template">
+            <Setter.Value>
+                <ControlTemplate TargetType="{x:Type ToggleButton}">
+                    <Grid>
+                        <!--点击时显示-->
+                        <Ellipse x:Name="border" Stroke="{TemplateBinding BorderBrush}" StrokeThickness="{TemplateBinding BorderThickness}" Fill="{TemplateBinding Background}" SnapsToDevicePixels="true"></Ellipse>
+                        <Ellipse x:Name="PressedLayer" Visibility="Collapsed" Stroke="#1F000000" StrokeThickness="2">
+                            <Ellipse.Effect>
+                                <BlurEffect Radius="3"></BlurEffect>
+                            </Ellipse.Effect>
+                        </Ellipse>
+                        <ContentControl HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" Margin="{TemplateBinding Padding}" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}">
+                            <Path x:Name="PathIcon" Fill="{TemplateBinding Foreground}" SnapsToDevicePixels="True" Stretch="Uniform" Data="{TemplateBinding controls:IconSwitchElement.Geometry}"></Path>
+                        </ContentControl>
+                        <!--禁用时显示-->
+                        <Ellipse x:Name="EnabledLayer" Fill="#4CFFFFFF" Visibility="Collapsed"/>
+                    </Grid>
+                    <ControlTemplate.Triggers>
+                        <Trigger Property="IsChecked" Value="True">
+                            <Setter TargetName="PathIcon" Property="Data" Value="{Binding RelativeSource={RelativeSource Mode=TemplatedParent}, Path=(controls:IconSwitchElement.GeometrySelected)}"></Setter>
+                        </Trigger>
+                        <Trigger Property="IsPressed" Value="true">
+                            <Setter TargetName="PressedLayer" Property="Visibility" Value="Visible"/>
+                            <Setter TargetName="border" Property="Stroke" Value="#80cccccc"/>
+                        </Trigger>
+                        <Trigger Property="IsEnabled" Value="false">
+                            <Setter TargetName="EnabledLayer" Property="Visibility" Value="Visible"/>
+                        </Trigger>
+                    </ControlTemplate.Triggers>
+                </ControlTemplate>
+            </Setter.Value>
+        </Setter>
+    </Style>
+
+</ResourceDictionary>
\ No newline at end of file
diff --git a/HandyControl/Themes/Styles/Expander.xaml b/HandyControl/Themes/Styles/Expander.xaml
new file mode 100644
index 00000000..2c6f3625
--- /dev/null
+++ b/HandyControl/Themes/Styles/Expander.xaml
@@ -0,0 +1,85 @@
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                    xmlns:controls="clr-namespace:HandyControl.Controls">
+
+    <ResourceDictionary.MergedDictionaries>
+        <ResourceDictionary Source="../Basic/Geometries.xaml"></ResourceDictionary>
+        <ResourceDictionary Source="ToggleButton.xaml"></ResourceDictionary>
+        <ResourceDictionary Source="TextBlock.xaml"></ResourceDictionary>
+    </ResourceDictionary.MergedDictionaries>
+
+    <Style TargetType="{x:Type Expander}">
+        <Setter Property="Foreground" Value="White"/>
+        <Setter Property="Background" Value="{DynamicResource PrimaryBrush}"/>
+        <Setter Property="HorizontalContentAlignment" Value="Stretch"/>
+        <Setter Property="VerticalContentAlignment" Value="Stretch"/>
+        <Setter Property="BorderBrush" Value="Transparent"/>
+        <Setter Property="BorderThickness" Value="1"/>
+        <Setter Property="MinHeight" Value="40"></Setter>
+        <Setter Property="Template">
+            <Setter.Value>
+                <ControlTemplate TargetType="{x:Type Expander}">
+                    <Border BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}">
+                        <Grid>
+                            <Grid.RowDefinitions>
+                                <RowDefinition Height="Auto"/>
+                                <RowDefinition/>
+                            </Grid.RowDefinitions>
+                            <ToggleButton Padding="10,0,0,0" Foreground="{TemplateBinding Foreground}" Grid.ColumnSpan="2" HorizontalContentAlignment="Stretch" IsChecked="{Binding IsExpanded, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}" Width="{TemplateBinding Width}" Height="{TemplateBinding MinHeight}" Style="{StaticResource ToggleButtonOpacityStyle}">
+                                <ToggleButton.Content>
+                                    <Grid>
+                                        <Grid.ColumnDefinitions>
+                                            <ColumnDefinition/>
+                                            <ColumnDefinition Width="{TemplateBinding MinHeight}"/>
+                                        </Grid.ColumnDefinitions>
+                                        <ContentPresenter ContentSource="Header"></ContentPresenter>
+                                        <ToggleButton Grid.Column="1" Padding="0" Margin="0,0,10,0" Width="12" Height="12" VerticalAlignment="Center" HorizontalAlignment="Right" IsChecked="{Binding IsExpanded, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}" controls:IconSwitchElement.Geometry="{StaticResource DownGeometry}" controls:IconSwitchElement.GeometrySelected="{StaticResource UpGeometry}" Style="{StaticResource ToggleButtonIconTransparent}"></ToggleButton>
+                                    </Grid>
+                                </ToggleButton.Content>
+                            </ToggleButton>
+                            <ContentPresenter Name="ExpandSite" Visibility="Collapsed" Grid.Row="1" Grid.Column="0"></ContentPresenter>
+                        </Grid>
+                    </Border>
+                    <ControlTemplate.Triggers>
+                        <Trigger Property="IsExpanded" Value="true">
+                            <Setter Property="Visibility" TargetName="ExpandSite" Value="Visible"/>
+                        </Trigger>
+                        <Trigger Property="IsEnabled" Value="false">
+                            <Setter Property="Opacity" Value="2"/>
+                        </Trigger>
+                    </ControlTemplate.Triggers>
+                    <!--<Border BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" CornerRadius="3" SnapsToDevicePixels="true">
+                            <DockPanel>
+                                <ToggleButton x:Name="HeaderSite" ContentTemplate="{TemplateBinding HeaderTemplate}" ContentTemplateSelector="{TemplateBinding HeaderTemplateSelector}" Content="{TemplateBinding Header}" DockPanel.Dock="Top" Foreground="{TemplateBinding Foreground}" FontWeight="{TemplateBinding FontWeight}" FocusVisualStyle="{StaticResource ExpanderHeaderFocusVisual}" FontStyle="{TemplateBinding FontStyle}" FontStretch="{TemplateBinding FontStretch}" FontSize="{TemplateBinding FontSize}" FontFamily="{TemplateBinding FontFamily}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" IsChecked="{Binding IsExpanded, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}" Margin="1" MinWidth="0" MinHeight="0" Padding="{TemplateBinding Padding}" Style="{StaticResource ExpanderDownHeaderStyle}" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"/>
+                                <ContentPresenter x:Name="ExpandSite" DockPanel.Dock="Bottom" Focusable="false" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" Visibility="Collapsed" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
+                            </DockPanel>
+                        </Border>
+                        <ControlTemplate.Triggers>
+                            <Trigger Property="IsExpanded" Value="true">
+                                <Setter Property="Visibility" TargetName="ExpandSite" Value="Visible"/>
+                            </Trigger>
+                            <Trigger Property="ExpandDirection" Value="Right">
+                                <Setter Property="DockPanel.Dock" TargetName="ExpandSite" Value="Right"/>
+                                <Setter Property="DockPanel.Dock" TargetName="HeaderSite" Value="Left"/>
+                                <Setter Property="Style" TargetName="HeaderSite" Value="{StaticResource ExpanderRightHeaderStyle}"/>
+                            </Trigger>
+                            <Trigger Property="ExpandDirection" Value="Up">
+                                <Setter Property="DockPanel.Dock" TargetName="ExpandSite" Value="Top"/>
+                                <Setter Property="DockPanel.Dock" TargetName="HeaderSite" Value="Bottom"/>
+                                <Setter Property="Style" TargetName="HeaderSite" Value="{StaticResource ExpanderUpHeaderStyle}"/>
+                            </Trigger>
+                            <Trigger Property="ExpandDirection" Value="Left">
+                                <Setter Property="DockPanel.Dock" TargetName="ExpandSite" Value="Left"/>
+                                <Setter Property="DockPanel.Dock" TargetName="HeaderSite" Value="Right"/>
+                                <Setter Property="Style" TargetName="HeaderSite" Value="{StaticResource ExpanderLeftHeaderStyle}"/>
+                            </Trigger>
+                            <Trigger Property="IsEnabled" Value="false">
+                                <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/>
+                            </Trigger>
+                        </ControlTemplate.Triggers>-->
+                </ControlTemplate>
+            </Setter.Value>
+        </Setter>
+    </Style>
+
+</ResourceDictionary>
\ No newline at end of file
diff --git a/HandyControl/Themes/Styles/Style.xaml b/HandyControl/Themes/Styles/Style.xaml
index a5596eca..d51e6a04 100644
--- a/HandyControl/Themes/Styles/Style.xaml
+++ b/HandyControl/Themes/Styles/Style.xaml
@@ -26,7 +26,7 @@
         <!--<ResourceDictionary Source="AnimationPath.xaml"></ResourceDictionary>-->
         <!--<ResourceDictionary Source="ToolTip.xaml"></ResourceDictionary>-->
         <!--<ResourceDictionary Source="InfoBrief.xaml"></ResourceDictionary>-->
-        <!--<ResourceDictionary Source="Expander.xaml"></ResourceDictionary>-->
+        <ResourceDictionary Source="Expander.xaml"></ResourceDictionary>
         <!--<ResourceDictionary Source="TextBox.xaml"></ResourceDictionary>-->
         <!--<ResourceDictionary Source="ContentControl.xaml"></ResourceDictionary>-->
     </ResourceDictionary.MergedDictionaries>
diff --git a/HandyControl/Themes/Styles/ToggleButton.xaml b/HandyControl/Themes/Styles/ToggleButton.xaml
new file mode 100644
index 00000000..db9849cf
--- /dev/null
+++ b/HandyControl/Themes/Styles/ToggleButton.xaml
@@ -0,0 +1,149 @@
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                    xmlns:controls="clr-namespace:HandyControl.Controls">
+
+    <ResourceDictionary.MergedDictionaries>
+        <ResourceDictionary Source="Base/ToggleButtonBaseStyle.xaml"></ResourceDictionary>
+        <ResourceDictionary Source="Base/ToggleButtonSwitchBaseStyle.xaml"></ResourceDictionary>
+    </ResourceDictionary.MergedDictionaries>
+
+    <!--普通-->
+    <Style BasedOn="{StaticResource ToggleButtonBaseStyle}" TargetType="{x:Type ToggleButton}">
+        <Setter Property="Background" Value="{DynamicResource DefaultBrush}"/>
+        <Setter Property="BorderBrush" Value="{DynamicResource DarkDefaultBrush}"/>
+        <Setter Property="Foreground" Value="{DynamicResource PrimaryTextBrush}"/>
+        <Style.Triggers>
+            <Trigger Property="IsMouseOver" Value="True">
+                <Setter Property="Background" Value="{DynamicResource DarkDefaultBrush}"/>
+            </Trigger>
+        </Style.Triggers>
+    </Style>
+
+    <Style x:Key="ToggleButtonPrimary" BasedOn="{StaticResource ToggleButtonBaseStyle}" TargetType="{x:Type ToggleButton}">
+        <Setter Property="Background" Value="{DynamicResource PrimaryBrush}"/>
+        <Setter Property="BorderBrush" Value="{DynamicResource DarkPrimaryBrush}"/>
+        <Style.Triggers>
+            <Trigger Property="IsMouseOver" Value="True">
+                <Setter Property="Background" Value="{DynamicResource DarkPrimaryBrush}"/>
+            </Trigger>
+        </Style.Triggers>
+    </Style>
+
+    <Style x:Key="ToggleButtonSuccess" BasedOn="{StaticResource ToggleButtonBaseStyle}" TargetType="{x:Type ToggleButton}">
+        <Setter Property="Background" Value="{DynamicResource SuccessBrush}"/>
+        <Setter Property="BorderBrush" Value="{DynamicResource DarkSuccessBrush}"/>
+        <Style.Triggers>
+            <Trigger Property="IsMouseOver" Value="True">
+                <Setter Property="Background" Value="{DynamicResource DarkSuccessBrush}"/>
+            </Trigger>
+        </Style.Triggers>
+    </Style>
+
+    <Style x:Key="ToggleButtonInfo" BasedOn="{StaticResource ToggleButtonBaseStyle}" TargetType="{x:Type ToggleButton}">
+        <Setter Property="Background" Value="{DynamicResource InfoBrush}"/>
+        <Setter Property="BorderBrush" Value="{DynamicResource DarkInfoBrush}"/>
+        <Style.Triggers>
+            <Trigger Property="IsMouseOver" Value="True">
+                <Setter Property="Background" Value="{DynamicResource DarkInfoBrush}"/>
+            </Trigger>
+        </Style.Triggers>
+    </Style>
+
+    <Style x:Key="ToggleButtonWarning" BasedOn="{StaticResource ToggleButtonBaseStyle}" TargetType="{x:Type ToggleButton}">
+        <Setter Property="Background" Value="{DynamicResource WarningBrush}"/>
+        <Setter Property="BorderBrush" Value="{DynamicResource DarkWarningBrush}"/>
+        <Style.Triggers>
+            <Trigger Property="IsMouseOver" Value="True">
+                <Setter Property="Background" Value="{DynamicResource DarkWarningBrush}"/>
+            </Trigger>
+        </Style.Triggers>
+    </Style>
+
+    <Style x:Key="ToggleButtonDanger" BasedOn="{StaticResource ToggleButtonBaseStyle}" TargetType="{x:Type ToggleButton}">
+        <Setter Property="Background" Value="{DynamicResource DangerBrush}"/>
+        <Setter Property="BorderBrush" Value="{DynamicResource DarkDangerBrush}"/>
+        <Style.Triggers>
+            <Trigger Property="IsMouseOver" Value="True">
+                <Setter Property="Background" Value="{DynamicResource DarkDangerBrush}"/>
+            </Trigger>
+        </Style.Triggers>
+    </Style>
+
+    <!--开关-->
+    <Style x:Key="ToggleButtonSwitch" BasedOn="{StaticResource ToggleButtonSwitchBaseStyle}" TargetType="{x:Type ToggleButton}"></Style>
+
+    <!--icon-->
+    <Style x:Key="ToggleButtonIcon" BasedOn="{StaticResource ToggleButtonIconBaseStyle}" TargetType="{x:Type ToggleButton}"></Style>
+
+    <Style x:Key="ToggleButtonIconTransparent" BasedOn="{StaticResource ToggleButtonIconBaseStyle}" TargetType="{x:Type ToggleButton}">
+        <Setter Property="Background" Value="Transparent"/>
+        <Setter Property="BorderBrush" Value="Transparent"/>
+        <Setter Property="Foreground" Value="White"></Setter>
+        <Setter Property="Template">
+            <Setter.Value>
+                <ControlTemplate TargetType="{x:Type ToggleButton}">
+                    <Border Background="{TemplateBinding Background}" BorderThickness="{TemplateBinding BorderThickness}" BorderBrush="{TemplateBinding BorderBrush}">
+                        <ContentControl Margin="{TemplateBinding Padding}" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}">
+                            <Path x:Name="PathIcon" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" Fill="{TemplateBinding Foreground}" SnapsToDevicePixels="True" Stretch="Uniform" Data="{TemplateBinding controls:IconSwitchElement.Geometry}"></Path>
+                        </ContentControl>
+                    </Border>
+                    <ControlTemplate.Triggers>
+                        <Trigger Property="IsChecked" Value="True">
+                            <Setter TargetName="PathIcon" Property="Data" Value="{Binding RelativeSource={RelativeSource Mode=TemplatedParent}, Path=(controls:IconSwitchElement.GeometrySelected)}"></Setter>
+                        </Trigger>
+                    </ControlTemplate.Triggers>
+                </ControlTemplate>
+            </Setter.Value>
+        </Setter>
+        <Style.Triggers>
+            <Trigger Property="IsMouseOver" Value="True">
+                <Setter Property="Opacity" Value=".9"></Setter>
+            </Trigger>
+            <Trigger Property="IsPressed" Value="True">
+                <Setter Property="Opacity" Value=".6"></Setter>
+            </Trigger>
+            <Trigger Property="IsEnabled" Value="False">
+                <Setter Property="Opacity" Value=".2"></Setter>
+            </Trigger>
+        </Style.Triggers>
+    </Style>
+
+    <Style x:Key="ToggleButtonOpacityStyle" TargetType="{x:Type ToggleButton}">
+        <Setter Property="Background" Value="Transparent"></Setter>
+        <Setter Property="Foreground" Value="{DynamicResource PrimaryTextBrush}"></Setter>
+        <Setter Property="FocusVisualStyle" Value="{x:Null}"/>
+        <Setter Property="HorizontalContentAlignment" Value="Center"/>
+        <Setter Property="VerticalContentAlignment" Value="Center"/>
+        <Setter Property="Padding" Value="0"/>
+        <Setter Property="Focusable" Value="False"></Setter>
+        <Setter Property="IsTabStop" Value="False"/>
+        <Setter Property="BorderThickness" Value="0"></Setter>
+        <Setter Property="Template">
+            <Setter.Value>
+                <ControlTemplate TargetType="{x:Type ToggleButton}">
+                    <Border x:Name="Chrome" SnapsToDevicePixels="true" BorderThickness="{TemplateBinding BorderThickness}" BorderBrush="{TemplateBinding BorderBrush}" Background="{TemplateBinding Background}">
+                        <Grid>
+                            <ContentPresenter Margin="{TemplateBinding Padding}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" RecognizesAccessKey="True" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
+                            <ContentPresenter Name="CheckedElement" Visibility="Collapsed" Content="{Binding Path=(controls:StatusSwitchElement.CheckedElement),RelativeSource={RelativeSource TemplatedParent}}"></ContentPresenter>
+                        </Grid>
+                    </Border>
+                    <ControlTemplate.Triggers>
+                        <Trigger Property="IsMouseOver" Value="True">
+                            <Setter Property="Opacity" Value=".9"></Setter>
+                        </Trigger>
+                        <Trigger Property="IsPressed" Value="True">
+                            <Setter Property="Opacity" Value=".6"></Setter>
+                        </Trigger>
+                        <Trigger Property="IsChecked" Value="True">
+                            <Setter Property="Visibility" Value="Visible" TargetName="CheckedElement"></Setter>
+                        </Trigger>
+                        <Trigger Property="IsEnabled" Value="False">
+                            <Setter Property="Opacity" Value=".2"></Setter>
+                        </Trigger>
+                    </ControlTemplate.Triggers>
+                </ControlTemplate>
+            </Setter.Value>
+        </Setter>
+    </Style>
+
+</ResourceDictionary>
\ No newline at end of file
diff --git a/HandyControlDemo/MainWindow.xaml b/HandyControlDemo/MainWindow.xaml
index 290bd2ce..ab14c10e 100644
--- a/HandyControlDemo/MainWindow.xaml
+++ b/HandyControlDemo/MainWindow.xaml
@@ -620,6 +620,32 @@
                         </controls:TabControl>
                     </Grid>
                 </Border>-->
+                <Border Visibility="Visible" Margin="0,10,0,0" Style="{StaticResource BorderRegionStyle}">
+                    <Grid>
+                        <Grid.ColumnDefinitions>
+                            <ColumnDefinition Width="Auto" SharedSizeGroup="Header"/>
+                            <ColumnDefinition/>
+                        </Grid.ColumnDefinitions>
+                        <StackPanel>
+                            <TextBlock Margin="0,5,0,0" Style="{StaticResource TextBlockTitle}" Text="展开框"></TextBlock>
+                            <TextBlock Style="{StaticResource TextBlockTitle}" Text="（Expander）"></TextBlock>
+                        </StackPanel>
+                        <StackPanel Grid.Column="1" Margin="50,0,0,0">
+                            <Expander Header="标题1" BorderThickness="1,1,1,0" BorderBrush="{StaticResource BorderBrush}" Width="240" HorizontalAlignment="Left">
+                                <Border Height="100" Background="{StaticResource BackgroundBrush}"></Border>
+                            </Expander>
+                            <Expander Header="标题1" BorderThickness="1,1,1,0" BorderBrush="{StaticResource BorderBrush}" Width="240" HorizontalAlignment="Left">
+                                <Border Height="100" Background="{StaticResource BackgroundBrush}"></Border>
+                            </Expander>
+                            <Expander Header="标题1" BorderThickness="1,1,1,0" BorderBrush="{StaticResource BorderBrush}" Width="240" HorizontalAlignment="Left">
+                                <Border Height="100" Background="{StaticResource BackgroundBrush}"></Border>
+                            </Expander>
+                            <Expander Header="标题1" BorderThickness="1" BorderBrush="{StaticResource BorderBrush}" Width="240" HorizontalAlignment="Left">
+                                <Border Height="100" Background="{StaticResource BackgroundBrush}"></Border>
+                            </Expander>
+                        </StackPanel>
+                    </Grid>
+                </Border>
                 <!--步骤条-->
                 <!--<Border Visibility="Collapsed" Margin="0,10,0,0" Style="{StaticResource BorderRegionStyle}">
                     <Grid>
diff --git a/README.md b/README.md
index 955ed828..18ed2ea5 100644
--- a/README.md
+++ b/README.md
@@ -16,4 +16,8 @@
 
 ### 4、页码条Pagination
 
-![轮播Pagination](https://raw.githubusercontent.com/NaBian/HandyControl/master/Resources/Pagination.gif)
\ No newline at end of file
+![轮播Pagination](https://raw.githubusercontent.com/NaBian/HandyControl/master/Resources/Pagination.gif)
+
+### 5、展开折叠框Expander
+
+![展开折叠框Expander](https://raw.githubusercontent.com/NaBian/HandyControl/master/Resources/Expander.gif)
\ No newline at end of file
diff --git a/Resources/Expander.gif b/Resources/Expander.gif
new file mode 100644
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