Merge pull request #41 from HandyOrg/master

修复白屏 info.Style is null
2019-06-15 10:53:50 +08:00
commit 20248cbf69
@@ -1,20 +1,5 @@
-DockBoxResearch/bin
-DockBoxResearch/obj
-src/.vs
-src/Core_30/HandyControl_Core_30/bin
-src/Core_30/HandyControl_Core_30/obj
-src/Core_30/HandyControlDemo_Core_30/bin
-src/Core_30/HandyControlDemo_Core_30/obj
-src/Net_35/HandyControl_Net_35/bin
-src/Net_35/HandyControl_Net_35/obj
-src/Net_35/HandyControlDemo_Net_35/bin
-src/Net_35/HandyControlDemo_Net_35/obj
-src/Net_40/HandyControl_Net_40/bin
-src/Net_40/HandyControl_Net_40/obj
-src/Net_40/HandyControlDemo_Net_40/bin
-src/Net_40/HandyControlDemo_Net_40/obj
-src/Net_GE45/HandyControl_Net_GE45/bin
-src/Net_GE45/HandyControl_Net_GE45/obj
-src/Net_GE45/HandyControlDemo_Net_GE45/bin
-src/Net_GE45/HandyControlDemo_Net_GE45/obj
-*.user
+.vs
+*.user
+*.xml
+[Bb]in/
+[Oo]bj/
@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.28803.352
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "HandyControl_VS2019", "HandyControl_VS2019\HandyControl_VS2019.csproj", "{3F0F7B9E-C150-4FAA-9274-4F6F0A96B8CA}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{3F0F7B9E-C150-4FAA-9274-4F6F0A96B8CA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{3F0F7B9E-C150-4FAA-9274-4F6F0A96B8CA}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{3F0F7B9E-C150-4FAA-9274-4F6F0A96B8CA}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{3F0F7B9E-C150-4FAA-9274-4F6F0A96B8CA}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {A7F567D2-5FA3-4E17-A8A8-CDAFC217BFF5}
+	EndGlobalSection
+EndGlobal
@@ -0,0 +1,95 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <MinimumVisualStudioVersion>16.0</MinimumVisualStudioVersion>
+    <VSToolsPath Condition="'$(VSToolsPath)' == ''">$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)</VSToolsPath>
+  </PropertyGroup>
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectTypeGuids>{82b43b9b-a64c-4715-b499-d71e9ca2bd60};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <ProjectGuid>{3F0F7B9E-C150-4FAA-9274-4F6F0A96B8CA}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>HandyControl_VS2019</RootNamespace>
+    <AssemblyName>HandyControl_VS2019</AssemblyName>
+    <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
+    <GeneratePkgDefFile>true</GeneratePkgDefFile>
+    <UseCodebase>true</UseCodebase>
+    <IncludeAssemblyInVSIXContainer>true</IncludeAssemblyInVSIXContainer>
+    <IncludeDebugSymbolsInVSIXContainer>false</IncludeDebugSymbolsInVSIXContainer>
+    <IncludeDebugSymbolsInLocalVSIXDeployment>false</IncludeDebugSymbolsInLocalVSIXDeployment>
+    <CopyBuildOutputToOutputDirectory>true</CopyBuildOutputToOutputDirectory>
+    <CopyOutputSymbolsToOutputDirectory>true</CopyOutputSymbolsToOutputDirectory>
+    <StartAction>Program</StartAction>
+    <StartProgram Condition="'$(DevEnvDir)' != ''">$(DevEnvDir)devenv.exe</StartProgram>
+    <StartArguments>/rootsuffix Exp</StartArguments>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="HandyControl_VS2019Package.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <Content Include="ProjectTemplates\WpfApp.zip">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+      <IncludeInVSIX>true</IncludeInVSIX>
+    </Content>
+    <Content Include="Packages\handycontrol.1.5.5.nupkg">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+      <IncludeInVSIX>true</IncludeInVSIX>
+    </Content>
+    <None Include="source.extension.vsixmanifest">
+      <SubType>Designer</SubType>
+    </None>
+  </ItemGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+  </ItemGroup>
+  <ItemGroup>
+    <PackageReference Include="Microsoft.VisualStudio.SDK" Version="15.9.3" ExcludeAssets="runtime" />
+    <PackageReference Include="Microsoft.VSSDK.BuildTools" Version="16.0.2268" />
+  </ItemGroup>
+  <ItemGroup>
+    <Content Include="icon_100_100.png">
+      <IncludeInVSIX>true</IncludeInVSIX>
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </Content>
+    <Content Include="icon_300_300.png">
+      <IncludeInVSIX>true</IncludeInVSIX>
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </Content>
+    <Content Include="License.txt">
+      <IncludeInVSIX>true</IncludeInVSIX>
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </Content>
+  </ItemGroup>
+  <ItemGroup />
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <Import Project="$(VSToolsPath)\VSSDK\Microsoft.VsSDK.targets" Condition="'$(VSToolsPath)' != ''" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+</Project>
@@ -0,0 +1,53 @@
+using System;
+using System.Runtime.InteropServices;
+using System.Threading;
+using Microsoft.VisualStudio.Shell;
+using Task = System.Threading.Tasks.Task;
+
+namespace HandyControl_VS2019
+{
+    /// <summary>
+    /// This is the class that implements the package exposed by this assembly.
+    /// </summary>
+    /// <remarks>
+    /// <para>
+    /// The minimum requirement for a class to be considered a valid package for Visual Studio
+    /// is to implement the IVsPackage interface and register itself with the shell.
+    /// This package uses the helper classes defined inside the Managed Package Framework (MPF)
+    /// to do it: it derives from the Package class that provides the implementation of the
+    /// IVsPackage interface and uses the registration attributes defined in the framework to
+    /// register itself and its components with the shell. These attributes tell the pkgdef creation
+    /// utility what data to put into .pkgdef file.
+    /// </para>
+    /// <para>
+    /// To get loaded into VS, the package must be referred by &lt;Asset Type="Microsoft.VisualStudio.VsPackage" ...&gt; in .vsixmanifest file.
+    /// </para>
+    /// </remarks>
+    [PackageRegistration(UseManagedResourcesOnly = true, AllowsBackgroundLoading = true)]
+    [Guid(PackageGuidString)]
+    public sealed class HandyControl_VS2019Package : AsyncPackage
+    {
+        /// <summary>
+        /// HandyControl_VS2019Package GUID string.
+        /// </summary>
+        public const string PackageGuidString = "157ef242-83b5-47d0-8f2f-e21dc8308151";
+
+        #region Package Members
+
+        /// <summary>
+        /// Initialization of the package; this method is called right after the package is sited, so this is the place
+        /// where you can put all the initialization code that rely on services provided by VisualStudio.
+        /// </summary>
+        /// <param name="cancellationToken">A cancellation token to monitor for initialization cancellation, which can occur when VS is shutting down.</param>
+        /// <param name="progress">A provider for progress updates.</param>
+        /// <returns>A task representing the async work of package initialization, or an already completed task if there is none. Do not return null from this method.</returns>
+        protected override async Task InitializeAsync(CancellationToken cancellationToken, IProgress<ServiceProgressData> progress)
+        {
+            // When initialized asynchronously, the current thread may be a background thread at this point.
+            // Do any initialization that requires the UI thread after switching to the UI thread.
+            await this.JoinableTaskFactory.SwitchToMainThreadAsync(cancellationToken);
+        }
+
+        #endregion
+    }
+}
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018-2019 HandyOrg
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
@@ -0,0 +1,14 @@
+using System.Reflection;
+using System.Runtime.InteropServices;
+
+[assembly: AssemblyTitle("HandyControl_VS2019")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("HandyControl_VS2019")]
+[assembly: AssemblyCopyright("")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+[assembly: ComVisible(false)]
+[assembly: AssemblyVersion("1.5.5")]
+[assembly: AssemblyFileVersion("1.5.5")]
@@ -0,0 +1,30 @@
+<?xml version="1.0" ?>
+<PackageManifest Version="2.0.0" xmlns="http://schemas.microsoft.com/developer/vsx-schema/2011" xmlns:d="http://schemas.microsoft.com/developer/vsx-schema-design/2011">
+    <Metadata>
+        <Identity Id="5949c79d-eb43-4033-8b7b-9349d34512c6" Version="1.5.5" Language="en-US" Publisher="HandyOrg" />
+        <DisplayName>HandyControl for VS2019</DisplayName>
+        <Description xml:space="preserve">This VSIX Project will help people initialize a HandyControl project.</Description>
+        <MoreInfo>https://handyorg.github.io/handycontrol</MoreInfo>
+        <License>License.txt</License>
+        <GettingStartedGuide>https://handyorg.github.io/handycontrol/quick_start</GettingStartedGuide>
+        <ReleaseNotes>https://github.com/HandyOrg/HandyControl/releases</ReleaseNotes>
+        <Icon>icon_100_100.png</Icon>
+        <PreviewImage>icon_300_300.png</PreviewImage>
+        <Tags>WPF C# Control</Tags>
+    </Metadata>
+    <Installation>
+        <InstallationTarget Id="Microsoft.VisualStudio.Community" Version="[16.0, 17.0)" />
+        <InstallationTarget Id="Microsoft.VisualStudio.Enterprise" Version="[16.0, 17.0)" />
+        <InstallationTarget Id="Microsoft.VisualStudio.Pro" Version="[16.0, 17.0)" />
+    </Installation>
+    <Dependencies>
+        <Dependency Id="Microsoft.Framework.NDP" DisplayName="Microsoft .NET Framework" d:Source="Manual" Version="[4.0,)" />
+    </Dependencies>
+    <Prerequisites>
+        <Prerequisite Id="Microsoft.Net.ComponentGroup.TargetingPacks.Common" Version="[16.0.28516.191,17.0)" DisplayName=".NET Framework 4 – 4.6 开发工具" />
+    </Prerequisites>
+    <Assets>
+        <Asset Type="Microsoft.VisualStudio.VsPackage" d:Source="Project" d:ProjectName="%CurrentProject%" Path="|%CurrentProject%;PkgdefProjectOutputGroup|" />
+        <Asset Type="Microsoft.VisualStudio.ProjectTemplate" d:Source="File" Path="ProjectTemplates" d:TargetPath="ProjectTemplates\WpfApp.zip" />
+    </Assets>
+</PackageManifest>
@@ -1,6 +1,6 @@
 MIT License

-Copyright (c) 2018 HandyOrg
+Copyright (c) 2018-2019 HandyOrg

 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -44,7 +44,16 @@ Step 2：Add code in App.xaml as follows:
    </ResourceDictionary>
 </Application.Resources>
 ```
-Step 3：enjoy coding
+
+Step 3: Add NameSpace:
+`xmlns:hc="https://handyorg.github.io/handycontrol"`
+
+Step 4：enjoy coding
+
+## VSIX packages for Visual Studio
+
+| [VS2019](https://marketplace.visualstudio.com/items?itemName=HandyOrg.handycontrolforvs2019) |
+| ------------- |

 ## Overview

@@ -1,5 +1,9 @@
 ---
-title: 建设中
+title: 附加属性
 ---

-建设中
+附加属性源码在Controls / Attach文件夹中：
+
+![Attach](images/Attach.png)
+
+以`Element`结尾的类，可以为所有的控件设置一些共有的属性，以`Attach`结尾的类，只能为一种控件设置相关的属性。
@@ -14,5 +14,5 @@ title: 行为
 | BehaviorY400 | 流体移动行为，y轴运动，400毫秒结束动画 |

 {% note info no-icon %}
-用例：`controls:PanelElement.FluidMoveBehavior="{StaticResource BehaviorXY200}"`
+用例：`hc:PanelElement.FluidMoveBehavior="{StaticResource BehaviorXY200}"`
 {% endnote %}
@@ -4,12 +4,15 @@ title: 欢迎使用HandyControl

 HandyControl是一套WPF控件库，它几乎重写了所有原生样式，同时包含50多款额外的控件（正逐步增加）。

-# 使用要求
+# 要求

- - .Net >= 4.0
- - OS   >= win7
- - IDE  >= vs2019
- - C#   >= 7.3
+- 使用要求
+.Net >= 4.0
+OS   >= win7
+
+- 编译要求
+IDE  >= vs2019
+C#   >= 7.3

 # 下载

@@ -1,5 +1,30 @@
 ---
-title: 建设中
+title: 国际化
 ---

-建设中
+# 使用方式
+
+可通过`ConfigHelper.Instance.SetLang(string lang)`指定需要使用的语言包，默认使用zh-cn。
+
+控件库自带的语言包一般为控件库内部使用，但用户也可以通过以下两种方式使用：
+
+- xaml
+第一步，引入命名空间：`xmlns:hc="https://handyorg.github.io/handycontrol"`
+第二步，使用语言包：`<TextBlock Text="{x:Static hc:Lang.Cancel}"/>`
+
+- C#
+`HandyControl.Properties.Langs.Lang.Cancel`
+
+{% note warning %}
+控件库不支持动态语言包切换，未来也不会有支持。
+{% endnote %}
+
+# 扩展
+
+控件库自带zh-cn和en两份语言包，默认为zh-cn：
+
+![Langs](images/Langs.png)
+
+如果需要可自行扩展，这里推荐使用开源插件：[ResXManager](https://marketplace.visualstudio.com/items?itemName=TomEnglert.ResXManager)，来维护所有的语言包。
+
+引用控件库后，会在运行目录生成语言包文件夹，其命名方式形如zh-cn、en等。
@@ -4,16 +4,40 @@ title: ComboBox 组合框

 # ComboBoxBaseStyle

-原生组合框默认样式，不推荐直接使用，应该始终被其它样式以BasedOn的方式使用。
+原生组合框默认样式，不推荐直接使用，应该始终被其它样式以BasedOn的方式使用。原生组合框如果未设置任何样式，则默认使用该样式：
+
+- 默认样式
+`<ComboBox ItemsSource="{Binding DataList}" SelectedIndex="0"/>`
+![ComboBoxBaseStyle](../images/ComboBoxBaseStyle.png)

 # ComboBoxExtendBaseStyle : ComboBoxBaseStyle

 原生组合框扩展默认样式，不推荐直接使用，应该始终被其它样式以BasedOn的方式使用。

-# ComboBoxPlusBaseStyle : ComboBoxExtendBaseStyle
-
-扩展组合框默认样式，不推荐直接使用，应该始终被其它样式以BasedOn的方式使用。
-
 # ComboBoxExtend : ComboBoxExtendBaseStyle

-相对于原生组合框默认样式，它借助于附加属性可以实现标题、水印的功能。
+相对于原生组合框默认样式，它借助于附加属性可以实现标题、水印的功能。
+
+- 标题在上
+`<ComboBox ItemsSource="{Binding DataList}" SelectedIndex="0" hc:InfoElement.Title="这是标题" Style="{StaticResource ComboBoxExtend}" Text="正文1"/>`
+![ComboBoxExtend_1](../images/ComboBoxExtend_1.png)
+
+- 标题在左
+`<ComboBox ItemsSource="{Binding DataList}" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="标题在左侧" Style="{StaticResource ComboBoxExtend}" Text="正文1"/>`
+![ComboBoxExtend_2](../images/ComboBoxExtend_2.png)
+
+{% note warning %}
+标题在左时，为了多个输入框左侧对齐，需要设置标题宽度，标题宽度无需逐个设置，可在外部容器上统一设置。
+{% endnote %}
+
+- 标题在上，带有水印
+`<ComboBox ItemsSource="{Binding DataList}" hc:InfoElement.Placeholder="请输入内容" hc:InfoElement.Title="此项必填" Style="{StaticResource ComboBoxExtend}"/>`
+![ComboBoxExtend_3](../images/ComboBoxExtend_3.png)
+
+- 标题在上，带有水印，且为必填
+`<ComboBox ItemsSource="{Binding DataList}" hc:InfoElement.Placeholder="请输入内容" hc:InfoElement.Title="此项必填" Style="{StaticResource ComboBoxExtend}" hc:InfoElement.Necessary="True"/>`
+![ComboBoxExtend_4](../images/ComboBoxExtend_4.png)
+
+- 标题在上，带有水印，且为必填，同时自定义必填提示符
+`<ComboBox ItemsSource="{Binding DataList}" hc:InfoElement.Placeholder="请输入内容" hc:InfoElement.Title="此项必填" Style="{StaticResource ComboBoxExtend}" hc:InfoElement.Necessary="True" hc:InfoElement.Symbol="*"/>`
+![ComboBoxExtend_5](../images/ComboBoxExtend_5.png)
@@ -1,5 +1,5 @@
 ---
-title: 建设中
+title: ContentControl 内容控件
 ---

-建设中
+所有的`ContentControl`默认无法获得焦点
@@ -1,5 +1,22 @@
 ---
-title: 建设中
+title: ContextMenu 上下文菜单
 ---

-建设中
+# ContextMenuBaseStyle
+
+上下文菜单默认样式，不推荐直接使用，应该始终被其它样式以BasedOn的方式使用。
+
+{% note info no-icon %}
+用例：
+
+{% code %}
+<ContextMenu ItemsSource="{Binding DataList}">
+    <ContextMenu.ItemTemplate>
+        <HierarchicalDataTemplate ItemsSource="{Binding DataList}">
+            <TextBlock Text="{Binding Name}"/>
+        </HierarchicalDataTemplate>
+    </ContextMenu.ItemTemplate>
+</ContextMenu>
+{% endcode %}
+![ContextMenu](https://raw.githubusercontent.com/NaBian/HandyControl/master/Resources/ContextMenu.png)
+{% endnote %}
@@ -1,5 +1,32 @@
 ---
-title: 建设中
+title: DataGrid 数据表格
 ---

-建设中
+{% note info no-icon %}
+用例：
+
+{% code %}
+<DataGrid HeadersVisibility="All" RowHeaderWidth="60" AutoGenerateColumns="False" ItemsSource="{Binding DataList}">
+    <DataGrid.RowHeaderTemplate>
+        <DataTemplate>
+            <CheckBox IsChecked="{Binding IsSelected,RelativeSource={RelativeSource AncestorType=DataGridRow}}"/>
+        </DataTemplate>
+    </DataGrid.RowHeaderTemplate>
+    <DataGrid.Columns>
+        <DataGridTextColumn IsReadOnly="True" Width="80" CanUserResize="False" Binding="{Binding Index}" Header="{x:Static langs:Lang.Index}"/>
+        <DataGridTemplateColumn Width="60" CanUserResize="False">
+            <DataGridTemplateColumn.CellTemplate>
+                <DataTemplate>
+                    <Image Source="{Binding ImgPath}" Width="32" Height="32" Stretch="Uniform"/>
+                </DataTemplate>
+            </DataGridTemplateColumn.CellTemplate>
+        </DataGridTemplateColumn>
+        <DataGridTextColumn Width="1*" Binding="{Binding Name}" Header="{x:Static langs:Lang.Name}"/>
+        <DataGridCheckBoxColumn Width="100" CanUserResize="False" Binding="{Binding IsSelected}" Header="{x:Static langs:Lang.Selected}"/>
+        <DataGridComboBoxColumn ItemsSource="{Binding Source={StaticResource DemoTypes}}" Width="100" CanUserResize="False" SelectedValueBinding="{Binding Type}" Header="{x:Static langs:Lang.Type}"/>
+        <DataGridTextColumn Width="1*" Binding="{Binding Remark}" Header="{x:Static langs:Lang.Remark}"/>
+    </DataGrid.Columns>
+</DataGrid>
+{% endcode %}
+![ContextMenu](https://raw.githubusercontent.com/NaBian/HandyControl/master/Resources/DataGrid.png)
+{% endnote %}
@@ -1,5 +1,38 @@
 ---
-title: 建设中
+title: DatePicker 日期选择器
 ---

-建设中
+# DatePickerBaseStyle
+
+原生日期选择器默认样式，不推荐直接使用，应该始终被其它样式以BasedOn的方式使用。原生日期选择器如果未设置任何样式，则默认使用该样式：
+
+- 默认样式
+`<DatePicker SelectedDate="{x:Static system:DateTime.Now}"/>`
+![ComboBoxBaseStyle](../images/DatePickerBaseStyle.png)
+
+# DatePickerExtendBaseStyle : DatePickerBaseStyle
+
+原生日期选择器扩展默认样式，不推荐直接使用，应该始终被其它样式以BasedOn的方式使用。
+
+# DatePickerExtend : DatePickerExtendBaseStyle
+
+- 标题在上
+`<DatePicker SelectedDate="{x:Static system:DateTime.Now}" Style="{StaticResource DatePickerExtend}" hc:InfoElement.Title="这是标题"/>`
+![DatePickerExtend_1](../images/DatePickerExtend_1.png)
+
+- 标题在左
+`<DatePicker SelectedDate="{x:Static system:DateTime.Now}" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" Style="{StaticResource DatePickerExtend}" hc:InfoElement.Title="标题在左侧"/>`
+![DatePickerExtend_2](../images/DatePickerExtend_2.png)
+
+{% note warning %}
+标题在左时，为了多个输入框左侧对齐，需要设置标题宽度，标题宽度无需逐个设置，可在外部容器上统一设置。
+{% endnote %}
+
+- 标题在上，带有水印
+[参见Combobox](../combobox)
+
+- 标题在上，带有水印，且为必填
+[参见Combobox](../combobox)
+
+- 标题在上，带有水印，且为必填，同时自定义必填提示符
+[参见Combobox](../combobox)
@@ -0,0 +1,25 @@
+---
+title: 快速开始
+---
+
+# 第一步
+下载源码或者以Nuget的方式引用控件库。
+源码链接：[HandyControl-Github](https://github.com/HandyOrg/HandyControl)
+Nuget链接：[HandyControl-Nuget](https://www.nuget.org/packages/HandyControl/)
+
+# 第二步
+在App.xaml中添加以下代码：
+
+``` xml
+<Application.Resources>
+    <ResourceDictionary>
+        <ResourceDictionary.MergedDictionaries>
+            <ResourceDictionary Source="pack://application:,,,/HandyControl;component/Themes/SkinDefault.xaml"/>
+            <ResourceDictionary Source="pack://application:,,,/HandyControl;component/Themes/Theme.xaml"/>
+        </ResourceDictionary.MergedDictionaries>
+    </ResourceDictionary>
+</Application.Resources>
+```
+
+# 第三步
+添加命名空间：`xmlns:hc="https://handyorg.github.io/handycontrol"`
@@ -161,6 +161,7 @@ menu:
  HandyControl:
    default: /handycontrol/ ||
    鸣谢: /tnx/ ||
+    快速开始: /quick_start/ ||
    # 总览: /overview/ ||
    # 规范: /specifications/ ||
    基础xaml定义: 
@@ -350,9 +350,6 @@
    <Resource Include="..\..\Shared\HandyControlDemo_Shared\Resources\Img\LeftMainContent\brackets_Square_16xLG.png">
      <Link>Resources\Img\LeftMainContent\brackets_Square_16xLG.png</Link>
    </Resource>
-    <Resource Include="..\..\Shared\HandyControlDemo_Shared\Resources\Img\LeftMainContent\PaneLayout_16x.png">
-      <Link>Resources\Img\LeftMainContent\PaneLayout_16x.png</Link>
-    </Resource>
  </ItemGroup>
  <ItemGroup>
    <EmbeddedResource Include="..\..\Shared\HandyControlDemo_Shared\Properties\Langs\Lang.en.resx">
@@ -84,7 +84,7 @@
                                    <ColumnDefinition/>
                                    <ColumnDefinition Width="Auto"/>
                                </Grid.ColumnDefinitions>
-                                <StackPanel WindowChrome.IsHitTestVisibleInChrome="True" UseLayoutRounding="True" VerticalAlignment="Top" Grid.Column="1" HorizontalAlignment="Right" Orientation="Horizontal">
+                                <StackPanel Name="ButtonPanel" WindowChrome.IsHitTestVisibleInChrome="True" UseLayoutRounding="True" VerticalAlignment="Top" Grid.Column="1" HorizontalAlignment="Right" Orientation="Horizontal">
                                    <Button Background="{TemplateBinding OtherButtonBackground}" Foreground="{TemplateBinding OtherButtonForeground}" Command="SystemCommands.MinimizeWindowCommand" IsTabStop="False" Name="ButtonMin" Height="29" Style="{StaticResource ButtonIcon}" Width="45" controls:IconElement.Geometry="{StaticResource WindowMinGeometry}" BorderThickness="1,0,1,0" controls:IconElement.Width="10" controls:IconElement.Height="10"/>
                                    <Button Background="{TemplateBinding OtherButtonBackground}" Foreground="{TemplateBinding OtherButtonForeground}" Command="SystemCommands.MaximizeWindowCommand" IsTabStop="False" Name="ButtonMax" Height="29" Style="{StaticResource ButtonIcon}" Width="46" controls:IconElement.Geometry="{StaticResource WindowMaxGeometry}" BorderThickness="1,0,1,0" controls:IconElement.Width="10" controls:IconElement.Height="10"/>
                                    <Button Background="{TemplateBinding OtherButtonBackground}" Foreground="{TemplateBinding OtherButtonForeground}" Command="SystemCommands.RestoreWindowCommand" IsTabStop="False" Name="ButtonRestore" Height="29" Style="{StaticResource ButtonIcon}" Width="46" controls:IconElement.Geometry="{StaticResource WindowRestoreGeometry}" BorderThickness="1,0,1,0" controls:IconElement.Width="10" controls:IconElement.Height="10"/>
@@ -110,6 +110,7 @@
                    <ControlTemplate.Triggers>
                        <Trigger Property="IsActive" Value="False">
                            <Setter Property="Opacity" Value=".8" TargetName="ContentPresenterMain"/>
+                            <Setter Property="Opacity" Value=".8" TargetName="ButtonPanel"/>
                        </Trigger>
                        <Trigger Property="Icon" Value="{x:Null}">
                            <Setter Property="Visibility" Value="Collapsed" TargetName="Icon"/>
@@ -61,7 +61,7 @@ Global
 		{DC966E3D-BCFF-4652-98CF-070E5494749A}.Debug-Net47|Any CPU.Build.0 = Debug-Net47|Any CPU
 		{DC966E3D-BCFF-4652-98CF-070E5494749A}.Debug-Net48|Any CPU.ActiveCfg = Debug-Net48|Any CPU
 		{DC966E3D-BCFF-4652-98CF-070E5494749A}.Debug-Net48|Any CPU.Build.0 = Debug-Net48|Any CPU
-		{DC966E3D-BCFF-4652-98CF-070E5494749A}.Release-Core30|Any CPU.ActiveCfg = Release-Net48|Any CPU
+		{DC966E3D-BCFF-4652-98CF-070E5494749A}.Release-Core30|Any CPU.ActiveCfg = Release-Net45|Any CPU
 		{DC966E3D-BCFF-4652-98CF-070E5494749A}.Release-Net40|Any CPU.ActiveCfg = Release-Net45|Any CPU
 		{DC966E3D-BCFF-4652-98CF-070E5494749A}.Release-Net45|Any CPU.ActiveCfg = Release-Net45|Any CPU
 		{DC966E3D-BCFF-4652-98CF-070E5494749A}.Release-Net45|Any CPU.Build.0 = Release-Net45|Any CPU
@@ -71,24 +71,24 @@ Global
 		{DC966E3D-BCFF-4652-98CF-070E5494749A}.Release-Net47|Any CPU.Build.0 = Release-Net47|Any CPU
 		{DC966E3D-BCFF-4652-98CF-070E5494749A}.Release-Net48|Any CPU.ActiveCfg = Release-Net48|Any CPU
 		{DC966E3D-BCFF-4652-98CF-070E5494749A}.Release-Net48|Any CPU.Build.0 = Release-Net48|Any CPU
-		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Debug-Core30|Any CPU.ActiveCfg = Debug-Net47|Any CPU
-		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Debug-Net40|Any CPU.ActiveCfg = Debug-Net47|Any CPU
-		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Debug-Net45|Any CPU.ActiveCfg = Debug-Net48|Any CPU
-		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Debug-Net45|Any CPU.Build.0 = Debug-Net48|Any CPU
-		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Debug-Net462|Any CPU.ActiveCfg = Debug-Net48|Any CPU
-		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Debug-Net462|Any CPU.Build.0 = Debug-Net48|Any CPU
-		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Debug-Net47|Any CPU.ActiveCfg = Debug-Net48|Any CPU
-		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Debug-Net47|Any CPU.Build.0 = Debug-Net48|Any CPU
+		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Debug-Core30|Any CPU.ActiveCfg = Debug-Net45|Any CPU
+		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Debug-Net40|Any CPU.ActiveCfg = Debug-Net45|Any CPU
+		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Debug-Net45|Any CPU.ActiveCfg = Debug-Net45|Any CPU
+		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Debug-Net45|Any CPU.Build.0 = Debug-Net45|Any CPU
+		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Debug-Net462|Any CPU.ActiveCfg = Debug-Net462|Any CPU
+		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Debug-Net462|Any CPU.Build.0 = Debug-Net462|Any CPU
+		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Debug-Net47|Any CPU.ActiveCfg = Debug-Net47|Any CPU
+		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Debug-Net47|Any CPU.Build.0 = Debug-Net47|Any CPU
 		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Debug-Net48|Any CPU.ActiveCfg = Debug-Net48|Any CPU
 		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Debug-Net48|Any CPU.Build.0 = Debug-Net48|Any CPU
-		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Release-Core30|Any CPU.ActiveCfg = Release-Net48|Any CPU
+		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Release-Core30|Any CPU.ActiveCfg = Release-Net45|Any CPU
 		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Release-Net40|Any CPU.ActiveCfg = Release-Net47|Any CPU
-		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Release-Net45|Any CPU.ActiveCfg = Release-Net48|Any CPU
-		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Release-Net45|Any CPU.Build.0 = Release-Net48|Any CPU
-		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Release-Net462|Any CPU.ActiveCfg = Release-Net48|Any CPU
-		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Release-Net462|Any CPU.Build.0 = Release-Net48|Any CPU
-		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Release-Net47|Any CPU.ActiveCfg = Release-Net48|Any CPU
-		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Release-Net47|Any CPU.Build.0 = Release-Net48|Any CPU
+		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Release-Net45|Any CPU.ActiveCfg = Release-Net45|Any CPU
+		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Release-Net45|Any CPU.Build.0 = Release-Net45|Any CPU
+		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Release-Net462|Any CPU.ActiveCfg = Release-Net462|Any CPU
+		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Release-Net462|Any CPU.Build.0 = Release-Net462|Any CPU
+		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Release-Net47|Any CPU.ActiveCfg = Release-Net47|Any CPU
+		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Release-Net47|Any CPU.Build.0 = Release-Net47|Any CPU
 		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Release-Net48|Any CPU.ActiveCfg = Release-Net48|Any CPU
 		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Release-Net48|Any CPU.Build.0 = Release-Net48|Any CPU
 		{BE4A567D-B6E0-413E-8F64-E1A53B4F9366}.Debug-Core30|Any CPU.ActiveCfg = Debug|Any CPU
@@ -49,8 +49,8 @@ Global
 		{DC966E3D-BCFF-4652-98CF-070E5494749A}.Release-Net47|Any CPU.Build.0 = Release-Net47|Any CPU
 		{DC966E3D-BCFF-4652-98CF-070E5494749A}.Release-Net48|Any CPU.ActiveCfg = Release-Net48|Any CPU
 		{DC966E3D-BCFF-4652-98CF-070E5494749A}.Release-Net48|Any CPU.Build.0 = Release-Net48|Any CPU
-		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Debug-Net45|Any CPU.ActiveCfg = Debug-Net48|Any CPU
-		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Debug-Net45|Any CPU.Build.0 = Debug-Net48|Any CPU
+		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Debug-Net45|Any CPU.ActiveCfg = Debug-Net47|Any CPU
+		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Debug-Net45|Any CPU.Build.0 = Debug-Net47|Any CPU
 		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Debug-Net462|Any CPU.ActiveCfg = Debug-Net48|Any CPU
 		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Debug-Net462|Any CPU.Build.0 = Debug-Net48|Any CPU
 		{9A7B52E6-94BB-4E7E-BB6A-7CF6761B79A7}.Debug-Net47|Any CPU.ActiveCfg = Debug-Net48|Any CPU
@@ -395,9 +395,6 @@
      <Generator>TextTemplatingFileGenerator</Generator>
      <LastGenOutput>MessageToken.cs</LastGenOutput>
    </Content>
-    <Resource Include="..\..\Shared\HandyControlDemo_Shared\Resources\Img\LeftMainContent\PaneLayout_16x.png">
-      <Link>Resources\Img\LeftMainContent\PaneLayout_16x.png</Link>
-    </Resource>
    <Resource Include="..\..\Shared\HandyControlDemo_Shared\Resources\Img\LeftMainContent\brackets_Square_16xLG.png">
      <Link>Resources\Img\LeftMainContent\brackets_Square_16xLG.png</Link>
    </Resource>
@@ -84,7 +84,7 @@
                                    <ColumnDefinition/>
                                    <ColumnDefinition Width="Auto"/>
                                </Grid.ColumnDefinitions>
-                                <StackPanel shell:WindowChrome.IsHitTestVisibleInChrome="True" UseLayoutRounding="True" VerticalAlignment="Top" Grid.Column="1" HorizontalAlignment="Right" Orientation="Horizontal">
+                                <StackPanel Name="ButtonPanel" shell:WindowChrome.IsHitTestVisibleInChrome="True" UseLayoutRounding="True" VerticalAlignment="Top" Grid.Column="1" HorizontalAlignment="Right" Orientation="Horizontal">
                                    <Button Background="{TemplateBinding OtherButtonBackground}" Foreground="{TemplateBinding OtherButtonForeground}" Command="shell:SystemCommands.MinimizeWindowCommand" IsTabStop="False" Name="ButtonMin" Height="29" Style="{StaticResource ButtonIcon}" Width="45" controls:IconElement.Geometry="{StaticResource WindowMinGeometry}" BorderThickness="1,0,1,0" controls:IconElement.Width="10" controls:IconElement.Height="10"/>
                                    <Button Background="{TemplateBinding OtherButtonBackground}" Foreground="{TemplateBinding OtherButtonForeground}" Command="shell:SystemCommands.MaximizeWindowCommand" IsTabStop="False" Name="ButtonMax" Height="29" Style="{StaticResource ButtonIcon}" Width="46" controls:IconElement.Geometry="{StaticResource WindowMaxGeometry}" BorderThickness="1,0,1,0" controls:IconElement.Width="10" controls:IconElement.Height="10"/>
                                    <Button Background="{TemplateBinding OtherButtonBackground}" Foreground="{TemplateBinding OtherButtonForeground}" Command="shell:SystemCommands.RestoreWindowCommand" IsTabStop="False" Name="ButtonRestore" Height="29" Style="{StaticResource ButtonIcon}" Width="46" controls:IconElement.Geometry="{StaticResource WindowRestoreGeometry}" BorderThickness="1,0,1,0" controls:IconElement.Width="10" controls:IconElement.Height="10"/>
@@ -110,6 +110,7 @@
                    <ControlTemplate.Triggers>
                        <Trigger Property="IsActive" Value="False">
                            <Setter Property="Opacity" Value=".8" TargetName="ContentPresenterMain"/>
+                            <Setter Property="Opacity" Value=".8" TargetName="ButtonPanel"/>
                        </Trigger>
                        <Trigger Property="Icon" Value="{x:Null}">
                            <Setter Property="Visibility" Value="Collapsed" TargetName="Icon"/>
@@ -15,6 +15,29 @@
    <TargetFrameworkProfile />
    <NuGetPackageImportStamp>
    </NuGetPackageImportStamp>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug-Net45|AnyCPU'">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug-Net462|AnyCPU'">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug-Net47|AnyCPU' ">
    <PlatformTarget>AnyCPU</PlatformTarget>
@@ -38,6 +61,26 @@
    <WarningLevel>4</WarningLevel>
    <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release-Net45|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release-Net462|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
+  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release-Net47|AnyCPU' ">
    <PlatformTarget>AnyCPU</PlatformTarget>
    <DebugType>pdbonly</DebugType>
@@ -414,9 +457,6 @@
      <Generator>TextTemplatingFileGenerator</Generator>
      <LastGenOutput>MessageToken.cs</LastGenOutput>
    </Content>
-    <Resource Include="..\..\Shared\HandyControlDemo_Shared\Resources\Img\LeftMainContent\PaneLayout_16x.png">
-      <Link>Resources\Img\LeftMainContent\PaneLayout_16x.png</Link>
-    </Resource>
    <Resource Include="..\..\Shared\HandyControlDemo_Shared\Resources\Img\LeftMainContent\brackets_Square_16xLG.png">
      <Link>Resources\Img\LeftMainContent\brackets_Square_16xLG.png</Link>
    </Resource>
@@ -13,6 +13,7 @@
    <TargetFrameworkProfile />
    <NuGetPackageImportStamp>
    </NuGetPackageImportStamp>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug-Net45|AnyCPU' ">
    <DebugSymbols>true</DebugSymbols>
@@ -161,6 +162,7 @@
      <Link>Properties\Langs\Lang.resx</Link>
      <Generator>PublicResXFileCodeGenerator</Generator>
      <LastGenOutput>Lang.Designer.cs</LastGenOutput>
+      <SubType>Designer</SubType>
    </EmbeddedResource>
  </ItemGroup>
  <ItemGroup>
@@ -84,7 +84,7 @@
                                    <ColumnDefinition/>
                                    <ColumnDefinition Width="Auto"/>
                                </Grid.ColumnDefinitions>
-                                <StackPanel WindowChrome.IsHitTestVisibleInChrome="True" UseLayoutRounding="True" VerticalAlignment="Top" Grid.Column="1" HorizontalAlignment="Right" Orientation="Horizontal">
+                                <StackPanel Name="ButtonPanel" WindowChrome.IsHitTestVisibleInChrome="True" UseLayoutRounding="True" VerticalAlignment="Top" Grid.Column="1" HorizontalAlignment="Right" Orientation="Horizontal">
                                    <Button Background="{TemplateBinding OtherButtonBackground}" Foreground="{TemplateBinding OtherButtonForeground}" Command="SystemCommands.MinimizeWindowCommand" IsTabStop="False" Name="ButtonMin" Height="29" Style="{StaticResource ButtonIcon}" Width="45" controls:IconElement.Geometry="{StaticResource WindowMinGeometry}" BorderThickness="1,0,1,0" controls:IconElement.Width="10" controls:IconElement.Height="10"/>
                                    <Button Background="{TemplateBinding OtherButtonBackground}" Foreground="{TemplateBinding OtherButtonForeground}" Command="SystemCommands.MaximizeWindowCommand" IsTabStop="False" Name="ButtonMax" Height="29" Style="{StaticResource ButtonIcon}" Width="46" controls:IconElement.Geometry="{StaticResource WindowMaxGeometry}" BorderThickness="1,0,1,0" controls:IconElement.Width="10" controls:IconElement.Height="10"/>
                                    <Button Background="{TemplateBinding OtherButtonBackground}" Foreground="{TemplateBinding OtherButtonForeground}" Command="SystemCommands.RestoreWindowCommand" IsTabStop="False" Name="ButtonRestore" Height="29" Style="{StaticResource ButtonIcon}" Width="46" controls:IconElement.Geometry="{StaticResource WindowRestoreGeometry}" BorderThickness="1,0,1,0" controls:IconElement.Width="10" controls:IconElement.Height="10"/>
@@ -110,6 +110,7 @@
                    <ControlTemplate.Triggers>
                        <Trigger Property="IsActive" Value="False">
                            <Setter Property="Opacity" Value=".8" TargetName="ContentPresenterMain"/>
+                            <Setter Property="Opacity" Value=".8" TargetName="ButtonPanel"/>
                        </Trigger>
                        <Trigger Property="Icon" Value="{x:Null}">
                            <Setter Property="Visibility" Value="Collapsed" TargetName="Icon"/>
@@ -98,8 +98,6 @@
 	
        public static readonly string RangeSliderDemoCtl = nameof(RangeSliderDemoCtl);
 	
-        public static readonly string RelativePanelDemoCtl = nameof(RelativePanelDemoCtl);
-	
        public static readonly string ButtonDemoCtl = nameof(ButtonDemoCtl);

        public static readonly string RepeatButtonDemoCtl = nameof(RepeatButtonDemoCtl);
@@ -51,8 +51,7 @@ var controlList = new List<string>
 	"DialogDemoCtl",
 	"SideMenuDemoCtl",
 	"GridDemoCtl",
-	"RangeSliderDemoCtl",
-	"RelativePanelDemoCtl"
+	"RangeSliderDemoCtl"
 };
 var styleList = new List<string>
 {
@@ -816,6 +816,15 @@ namespace HandyControlDemo.Properties.Langs {
            }
        }
        
+        /// <summary>
+        ///   查找类似 关 的本地化字符串。
+        /// </summary>
+        public static string Off {
+            get {
+                return ResourceManager.GetString("Off", resourceCulture);
+            }
+        }
+        
        /// <summary>
        ///   查找类似 确定 的本地化字符串。
        /// </summary>
@@ -825,6 +834,15 @@ namespace HandyControlDemo.Properties.Langs {
            }
        }
        
+        /// <summary>
+        ///   查找类似 开 的本地化字符串。
+        /// </summary>
+        public static string On {
+            get {
+                return ResourceManager.GetString("On", resourceCulture);
+            }
+        }
+        
        /// <summary>
        ///   查找类似 点击打开背景模糊窗口 的本地化字符串。
        /// </summary>
@@ -612,4 +612,10 @@
  <data name="RelativePanel" xml:space="preserve">
    <value>RelativePanel</value>
  </data>
+  <data name="On" xml:space="preserve">
+    <value>On</value>
+  </data>
+  <data name="Off" xml:space="preserve">
+    <value>Off</value>
+  </data>
 </root>
@@ -612,4 +612,10 @@
  <data name="RelativePanel" xml:space="preserve">
    <value>相对布局</value>
  </data>
+  <data name="On" xml:space="preserve">
+    <value>开</value>
+  </data>
+  <data name="Off" xml:space="preserve">
+    <value>关</value>
+  </data>
 </root>
@@ -19,7 +19,7 @@ namespace HandyControlDemo.Service
            for (var i = 1; i <= 20; i++)
            {
                var dataList = new List<DemoDataModel>();
-                for (int j = 0; j < 3; j++)
+                for (var j = 0; j < 3; j++)
                {
                    dataList.Add(new DemoDataModel
                    {
@@ -325,11 +325,6 @@
                                <Image Source="../../Resources/Img/LeftMainContent/Panel_16x.png"/>
                            </hc:EdgeElement.LeftContent>
                        </ListBoxItem>
-                        <ListBoxItem Style="{StaticResource ListBoxItemNew}" Tag="{x:Static data:MessageToken.RelativePanelDemoCtl}" Content="{x:Static langs:Lang.RelativePanel}">
-                            <hc:EdgeElement.LeftContent>
-                                <Image Source="../../Resources/Img/LeftMainContent/PaneLayout_16x.png"/>
-                            </hc:EdgeElement.LeftContent>
-                        </ListBoxItem>
                        <ListBoxItem Tag="{x:Static data:MessageToken.CoverViewDemoCtl}" Content="{x:Static langs:Lang.CoverView}">
                            <hc:EdgeElement.LeftContent>
                                <Image Source="../../Resources/Img/LeftMainContent/DetailDataView_16x.png"/>
@@ -13,7 +13,7 @@
                <ComboBox ItemsSource="{Binding DataList}" SelectedIndex="0" Margin="0,16,0,0" IsEditable="True"/>

                <ComboBox ItemsSource="{Binding DataList}" SelectedIndex="0" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr1}" Style="{StaticResource ComboBoxExtend}" Margin="0,32,0,0" Text="{x:Static langs:Lang.ContentDemoStr}"/>
-                <ComboBox ItemsSource="{Binding DataList}" hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr2}" Style="{StaticResource ComboBoxExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
+                <ComboBox ItemsSource="{Binding DataList}" hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr2}" Style="{StaticResource ComboBoxExtend}" hc:InfoElement.Necessary="True" hc:InfoElement.Symbol="*" Margin="0,16,0,0"/>
                <ComboBox ItemsSource="{Binding DataList}" IsEditable="True" SelectedIndex="0" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr1}" Style="{StaticResource ComboBoxExtend}" Margin="0,16,0,0" Text="{x:Static langs:Lang.ContentDemoStr}"/>
                <ComboBox ItemsSource="{Binding DataList}" IsEditable="True" hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr2}" Style="{StaticResource ComboBoxExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>

@@ -104,6 +104,29 @@
                        <ToggleButton IsEnabled="False" IsChecked="True" HorizontalAlignment="Center" Margin="5,9" Style="{StaticResource ToggleButtonSwitch}"/>
                        <TextBlock Style="{StaticResource TextBlockDefault}" Text="ToggleButtonSwitch"/>
                    </StackPanel>
+                    <StackPanel>
+                        <ToggleButton BorderThickness="0" IsChecked="True" Margin="5" HorizontalAlignment="Center" Style="{StaticResource ToggleButtonFlip}">
+                            <hc:StatusSwitchElement.CheckedElement>
+                                <Border Background="{DynamicResource PrimaryBrush}">
+                                    <TextBlock HorizontalAlignment="Center" VerticalAlignment="Center" Text="{x:Static langs:Lang.Off}" Foreground="{DynamicResource TextIconBrush}"/>
+                                </Border>
+                            </hc:StatusSwitchElement.CheckedElement>
+                            <Border Background="{DynamicResource DangerBrush}">
+                                <TextBlock HorizontalAlignment="Center" VerticalAlignment="Center" Text="{x:Static langs:Lang.On}" Foreground="{DynamicResource TextIconBrush}"/>
+                            </Border>
+                        </ToggleButton>
+                        <ToggleButton BorderThickness="0" IsEnabled="False" IsChecked="True" Margin="5" HorizontalAlignment="Center" Style="{StaticResource ToggleButtonFlip}">
+                            <hc:StatusSwitchElement.CheckedElement>
+                                <Border Background="{DynamicResource PrimaryBrush}">
+                                    <TextBlock HorizontalAlignment="Center" VerticalAlignment="Center" Text="{x:Static langs:Lang.Off}" Foreground="{DynamicResource TextIconBrush}"/>
+                                </Border>
+                            </hc:StatusSwitchElement.CheckedElement>
+                            <Border Background="{DynamicResource DangerBrush}">
+                                <TextBlock HorizontalAlignment="Center" VerticalAlignment="Center" Text="{x:Static langs:Lang.On}" Foreground="{DynamicResource TextIconBrush}"/>
+                            </Border>
+                        </ToggleButton>
+                        <TextBlock Style="{StaticResource TextBlockDefault}" Text="ToggleButtonFlip"/>
+                    </StackPanel>
                </WrapPanel>
            </StackPanel>
        </hc:ScrollViewer>
@@ -1,22 +1,23 @@
 <hc:Window x:Class="HandyControlDemo.Window.AboutWindow"
-                 xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-                 xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-                 xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
-                 xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-                 xmlns:hc="https://handyorg.github.io/handycontrol"
-                 mc:Ignorable="d"
-                 xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
-                 Title="{x:Static langs:Lang.About}"
-                 ShowTitle="True"
-                 BorderThickness="1"
-                 BorderBrush="#262e2f"
-                 Style="{StaticResource WindowWin10}"
-                 ResizeMode="NoResize"
-                 ShowInTaskbar="False"
-                 WindowStartupLocation="CenterOwner"
-                 Width="340"
-                 Height="220">
+           xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+           xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+           xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+           xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+           xmlns:hc="https://handyorg.github.io/handycontrol"
+           mc:Ignorable="d"
+           xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+           Title="{x:Static langs:Lang.About}"
+           ShowTitle="True"
+           BorderThickness="1"
+           BorderBrush="#262e2f"
+           Style="{StaticResource WindowWin10}"
+           ResizeMode="NoResize"
+           ShowInTaskbar="False"
+           WindowStartupLocation="CenterOwner"
+           Width="340"
+           Height="220">
    <hc:SimplePanel>
+        <TextBlock Text="{x:Static hc:Lang.Cancel}" />
        <StackPanel HorizontalAlignment="Center" VerticalAlignment="Top" Margin="0,30,0,0">
            <TextBlock Text="HandyControl" FontSize="30" Foreground="{StaticResource PrimaryBrush}" VerticalAlignment="Top" HorizontalAlignment="Center"/>
            <TextBlock Text="{Binding Version}" HorizontalAlignment="Center" Margin="0,10,0,0" Foreground="{StaticResource PrimaryBrush}"/>
@@ -246,7 +246,7 @@ namespace HandyControl.Controls
        {
            if (show)
            {
-                for (int i = 0; i < itemsCount; i++)
+                for (var i = 0; i < itemsCount; i++)
                {
                    var row = (DataGridRow)generator.ContainerFromIndex(i);
                    if (row != null)
@@ -257,7 +257,7 @@ namespace HandyControl.Controls
            }
            else
            {
-                for (int i = 0; i < itemsCount; i++)
+                for (var i = 0; i < itemsCount; i++)
                {
                    var row = (DataGridRow)generator.ContainerFromIndex(i);
                    if (row != null)
@@ -333,7 +333,7 @@ namespace HandyControl.Controls
                }

                var list = new List<bool>();
-                for (int i = 0; i < 2; i++)
+                for (var i = 0; i < 2; i++)
                {
                    list.Add(false);
                }
@@ -321,7 +321,7 @@ namespace HandyControl.Controls

                try
                {
-                    for (int i = 0; i < count; i++)
+                    for (var i = 0; i < count; i++)
                    {
                        guids[i] = (Guid)ExternDllHelper.PtrToStructure((IntPtr)((long)buffer + size * i), typeof(Guid));
                    }
@@ -36,11 +36,11 @@ namespace HandyControl.Controls

        public static readonly DependencyProperty DotCountProperty = DependencyProperty.Register(
            "DotCount", typeof(int), typeof(LoadingBase),
-            new FrameworkPropertyMetadata(5, FrameworkPropertyMetadataOptions.AffectsRender));
+            new FrameworkPropertyMetadata(ValueBoxes.Int5Box, FrameworkPropertyMetadataOptions.AffectsRender));

        public static readonly DependencyProperty DotIntervalProperty = DependencyProperty.Register(
            "DotInterval", typeof(double), typeof(LoadingBase),
-            new FrameworkPropertyMetadata(10.0, FrameworkPropertyMetadataOptions.AffectsRender));
+            new FrameworkPropertyMetadata(ValueBoxes.Double10Box, FrameworkPropertyMetadataOptions.AffectsRender));

        public static readonly DependencyProperty DotBorderBrushProperty = DependencyProperty.Register(
            "DotBorderBrush", typeof(Brush), typeof(LoadingBase),
@@ -122,7 +122,7 @@ namespace HandyControl.Controls
            StretchProperty.AddOwner(typeof(AnimationPath), new FrameworkPropertyMetadata(Stretch.Uniform,
                OnPropertiesChanged));

-            StrokeThicknessProperty.AddOwner(typeof(AnimationPath), new FrameworkPropertyMetadata(1.0,
+            StrokeThicknessProperty.AddOwner(typeof(AnimationPath), new FrameworkPropertyMetadata(ValueBoxes.Double1Box,
                OnPropertiesChanged));
        }

@@ -82,7 +82,7 @@ namespace HandyControl.Controls
        ///     最大页数
        /// </summary>
        public static readonly DependencyProperty MaxPageCountProperty = DependencyProperty.Register(
-            "MaxPageCount", typeof(int), typeof(Pagination), new PropertyMetadata(1, (o, args) =>
+            "MaxPageCount", typeof(int), typeof(Pagination), new PropertyMetadata(ValueBoxes.Int1Box, (o, args) =>
            {
                if (o is Pagination pagination && args.NewValue is int value)
                {
@@ -156,7 +156,7 @@ namespace HandyControl.Controls
        ///     当前页
        /// </summary>
        public static readonly DependencyProperty PageIndexProperty = DependencyProperty.Register(
-            "PageIndex", typeof(int), typeof(Pagination), new PropertyMetadata(1, (o, args) =>
+            "PageIndex", typeof(int), typeof(Pagination), new PropertyMetadata(ValueBoxes.Int1Box, (o, args) =>
            {
                if (o is Pagination pagination && args.NewValue is int value)
                {
@@ -312,7 +312,7 @@ namespace HandyControl.Controls
            }

            var sub = PageIndex;
-            for (int i = 0; i < MaxPageInterval - 1; i++)
+            for (var i = 0; i < MaxPageInterval - 1; i++)
            {
                if (--sub > 1)
                {
@@ -324,7 +324,7 @@ namespace HandyControl.Controls
                }
            }
            var add = PageIndex;
-            for (int i = 0; i < MaxPageInterval - 1; i++)
+            for (var i = 0; i < MaxPageInterval - 1; i++)
            {
                if (++add < MaxPageCount)
                {
@@ -33,7 +33,7 @@ namespace HandyControl.Controls
            base.OnVisualChildrenChanged(visualAdded, visualRemoved);

            var count = Items.Count;
-            for (int i = 0; i < count; i++)
+            for (var i = 0; i < count; i++)
            {
                var item = (RadioButton)Items[i];
                item.Style = ItemStyleSelector?.SelectStyle(item, this);
@@ -1,132 +0,0 @@
-using System.ComponentModel;
-using System.Windows;
-using System.Windows.Controls;
-using HandyControl.Tools.Converter;
-
-namespace HandyControl.Controls
-{
-    public class RelativePanel : Panel
-    {
-        public static readonly DependencyProperty AboveProperty = DependencyProperty.RegisterAttached(
-            "Above", typeof(DependencyObject), typeof(RelativePanel), new PropertyMetadata(default(DependencyObject)));
-
-        public static void SetAbove(DependencyObject element, DependencyObject value) => element.SetValue(AboveProperty, value);
-
-        [TypeConverter(typeof(NameReferenceConverter))]
-        public static DependencyObject GetAbove(DependencyObject element) => (DependencyObject)element.GetValue(AboveProperty);
-
-        public static readonly DependencyProperty AlignBottomWithProperty = DependencyProperty.RegisterAttached(
-            "AlignBottomWith", typeof(DependencyObject), typeof(RelativePanel), new PropertyMetadata(default(DependencyObject)));
-
-        public static void SetAlignBottomWith(DependencyObject element, DependencyObject value) => element.SetValue(AlignBottomWithProperty, value);
-
-        [TypeConverter(typeof(NameReferenceConverter))]
-        public static DependencyObject GetAlignBottomWith(DependencyObject element) => (DependencyObject)element.GetValue(AlignBottomWithProperty);
-
-        public static readonly DependencyProperty AlignBottomWithPanelProperty = DependencyProperty.RegisterAttached(
-            "AlignBottomWithPanel", typeof(bool), typeof(RelativePanel), new PropertyMetadata(default(bool)));
-
-        public static void SetAlignBottomWithPanel(DependencyObject element, bool value) => element.SetValue(AlignBottomWithPanelProperty, value);
-
-        public static bool GetAlignBottomWithPanel(DependencyObject element) => (bool)element.GetValue(AlignBottomWithPanelProperty);
-
-        public static readonly DependencyProperty AlignHorizontalCenterWithProperty = DependencyProperty.RegisterAttached(
-            "AlignHorizontalCenterWith", typeof(DependencyObject), typeof(RelativePanel), new PropertyMetadata(default(DependencyObject)));
-
-        public static void SetAlignHorizontalCenterWith(DependencyObject element, DependencyObject value) => element.SetValue(AlignHorizontalCenterWithProperty, value);
-
-        [TypeConverter(typeof(NameReferenceConverter))]
-        public static DependencyObject GetAlignHorizontalCenterWith(DependencyObject element) => (DependencyObject)element.GetValue(AlignHorizontalCenterWithProperty);
-
-        public static readonly DependencyProperty AlignHorizontalCenterWithPanelProperty = DependencyProperty.RegisterAttached(
-            "AlignHorizontalCenterWithPanel", typeof(bool), typeof(RelativePanel), new PropertyMetadata(default(bool)));
-
-        public static void SetAlignHorizontalCenterWithPanel(DependencyObject element, bool value) => element.SetValue(AlignHorizontalCenterWithPanelProperty, value);
-
-        public static bool GetAlignHorizontalCenterWithPanel(DependencyObject element) => (bool)element.GetValue(AlignHorizontalCenterWithPanelProperty);
-
-        public static readonly DependencyProperty AlignLeftWithProperty = DependencyProperty.RegisterAttached(
-            "AlignLeftWith", typeof(DependencyObject), typeof(RelativePanel), new PropertyMetadata(default(DependencyObject)));
-
-        public static void SetAlignLeftWith(DependencyObject element, DependencyObject value) => element.SetValue(AlignLeftWithProperty, value);
-
-        [TypeConverter(typeof(NameReferenceConverter))]
-        public static DependencyObject GetAlignLeftWith(DependencyObject element) => (DependencyObject)element.GetValue(AlignLeftWithProperty);
-
-        public static readonly DependencyProperty AlignLeftWithPanelProperty = DependencyProperty.RegisterAttached(
-            "AlignLeftWithPanel", typeof(bool), typeof(RelativePanel), new PropertyMetadata(default(bool)));
-
-        public static void SetAlignLeftWithPanel(DependencyObject element, bool value) => element.SetValue(AlignLeftWithPanelProperty, value);
-
-        public static bool GetAlignLeftWithPanel(DependencyObject element) => (bool)element.GetValue(AlignLeftWithPanelProperty);
-
-        public static readonly DependencyProperty AlignRightWithProperty = DependencyProperty.RegisterAttached(
-            "AlignRightWith", typeof(DependencyObject), typeof(RelativePanel), new PropertyMetadata(default(DependencyObject)));
-
-        public static void SetAlignRightWith(DependencyObject element, DependencyObject value) => element.SetValue(AlignRightWithProperty, value);
-
-        [TypeConverter(typeof(NameReferenceConverter))]
-        public static DependencyObject GetAlignRightWith(DependencyObject element) => (DependencyObject)element.GetValue(AlignRightWithProperty);
-
-        public static readonly DependencyProperty AlignRightWithPanelProperty = DependencyProperty.RegisterAttached(
-            "AlignRightWithPanel", typeof(bool), typeof(RelativePanel), new PropertyMetadata(default(bool)));
-
-        public static void SetAlignRightWithPanel(DependencyObject element, bool value) => element.SetValue(AlignRightWithPanelProperty, value);
-
-        public static bool GetAlignRightWithPanel(DependencyObject element) => (bool)element.GetValue(AlignRightWithPanelProperty);
-
-        public static readonly DependencyProperty AlignTopWithProperty = DependencyProperty.RegisterAttached(
-            "AlignTopWith", typeof(DependencyObject), typeof(RelativePanel), new PropertyMetadata(default(DependencyObject)));
-
-        public static void SetAlignTopWith(DependencyObject element, DependencyObject value) => element.SetValue(AlignTopWithProperty, value);
-
-        [TypeConverter(typeof(NameReferenceConverter))]
-        public static DependencyObject GetAlignTopWith(DependencyObject element) => (DependencyObject)element.GetValue(AlignTopWithProperty);
-
-        public static readonly DependencyProperty AlignTopWithPanelProperty = DependencyProperty.RegisterAttached(
-            "AlignTopWithPanel", typeof(bool), typeof(RelativePanel), new PropertyMetadata(default(bool)));
-
-        public static void SetAlignTopWithPanel(DependencyObject element, bool value) => element.SetValue(AlignTopWithPanelProperty, value);
-
-        public static bool GetAlignTopWithPanel(DependencyObject element) => (bool)element.GetValue(AlignTopWithPanelProperty);
-
-        public static readonly DependencyProperty AlignVerticalCenterWithProperty = DependencyProperty.RegisterAttached(
-            "AlignVerticalCenterWith", typeof(DependencyObject), typeof(RelativePanel), new PropertyMetadata(default(DependencyObject)));
-
-        public static void SetAlignVerticalCenterWith(DependencyObject element, DependencyObject value) => element.SetValue(AlignVerticalCenterWithProperty, value);
-
-        [TypeConverter(typeof(NameReferenceConverter))]
-        public static DependencyObject GetAlignVerticalCenterWith(DependencyObject element) => (DependencyObject)element.GetValue(AlignVerticalCenterWithProperty);
-
-        public static readonly DependencyProperty AlignVerticalCenterWithPanelProperty = DependencyProperty.RegisterAttached(
-            "AlignVerticalCenterWithPanel", typeof(bool), typeof(RelativePanel), new PropertyMetadata(default(bool)));
-
-        public static void SetAlignVerticalCenterWithPanel(DependencyObject element, bool value) => element.SetValue(AlignVerticalCenterWithPanelProperty, value);
-
-        public static bool GetAlignVerticalCenterWithPanel(DependencyObject element) => (bool)element.GetValue(AlignVerticalCenterWithPanelProperty);
-
-        public static readonly DependencyProperty BelowProperty = DependencyProperty.RegisterAttached(
-            "Below", typeof(DependencyObject), typeof(RelativePanel), new PropertyMetadata(default(DependencyObject)));
-
-        public static void SetBelow(DependencyObject element, DependencyObject value) => element.SetValue(BelowProperty, value);
-
-        [TypeConverter(typeof(NameReferenceConverter))]
-        public static DependencyObject GetBelow(DependencyObject element) => (DependencyObject)element.GetValue(BelowProperty);
-
-        public static readonly DependencyProperty LeftOfProperty = DependencyProperty.RegisterAttached(
-            "LeftOf", typeof(DependencyObject), typeof(RelativePanel), new PropertyMetadata(default(DependencyObject)));
-
-        public static void SetLeftOf(DependencyObject element, DependencyObject value) => element.SetValue(LeftOfProperty, value);
-
-        [TypeConverter(typeof(NameReferenceConverter))]
-        public static DependencyObject GetLeftOf(DependencyObject element) => (DependencyObject)element.GetValue(LeftOfProperty);
-
-        public static readonly DependencyProperty RightOfProperty = DependencyProperty.RegisterAttached(
-            "RightOf", typeof(DependencyObject), typeof(RelativePanel), new PropertyMetadata(default(DependencyObject)));
-
-        public static void SetRightOf(DependencyObject element, DependencyObject value) => element.SetValue(RightOfProperty, value);
-
-        [TypeConverter(typeof(NameReferenceConverter))]
-        public static DependencyObject GetRightOf(DependencyObject element) => (DependencyObject)element.GetValue(RightOfProperty);
-    }
-}
@@ -353,7 +353,7 @@ namespace HandyControl.Controls
            {
                if (_visualChildren == null) return 0;

-                for (int i = 0; i < _visualChildren.Length; i++)
+                for (var i = 0; i < _visualChildren.Length; i++)
                {
                    if (_visualChildren[i] == null) return i;
                }
@@ -38,7 +38,7 @@ namespace HandyControl.Controls
                var count = Items.Count;
                if (count <= 0) return;

-                for (int i = 0; i < count; i++)
+                for (var i = 0; i < count; i++)
                {
                    if (ItemContainerGenerator.ContainerFromIndex(i) is StepBarItem stepBarItem)
                    {
@@ -48,7 +48,7 @@ namespace HandyControl.Controls

                if (StepIndex < count)
                {
-                    for (int i = 0; i < StepIndex; i++)
+                    for (var i = 0; i < StepIndex; i++)
                    {
                        if (ItemContainerGenerator.ContainerFromIndex(i) is StepBarItem stepBarItem)
                        {
@@ -102,7 +102,7 @@ namespace HandyControl.Controls
        private void CreateItemsSource(ItemsControl selector, int count)
        {
            var list = new List<string>();
-            for (int i = 0; i < count; i++)
+            for (var i = 0; i < count; i++)
            {
                list.Add(i.ToString("#00"));
            }
@@ -340,7 +340,10 @@ namespace HandyControl.Controls
                    messageBox.ImageBrush = ResourceHelper.GetResource<Brush>(info.IconBrushKey);
                }

-                messageBox.Style = info.Style;
+                if (info.Style != null) 
+                {
+                    messageBox.Style = info.Style;
+                }
                messageBox.ShowDialog();
            }));
 #else
@@ -356,7 +359,10 @@ namespace HandyControl.Controls
                    messageBox.ImageBrush = ResourceHelper.GetResource<Brush>(info.IconBrushKey);
                }

-                messageBox.Style = info.Style;
+                if (info.Style != null)
+                {
+                    messageBox.Style = info.Style;
+                }
                SystemSounds.Asterisk.Play();
                messageBox.ShowDialog();
            });
@@ -9,7 +9,6 @@ using HandyControl.Tools.Extension;
 using Microsoft.Windows.Shell;
 #else
 using System.Windows.Shell;
-
 #endif

 namespace HandyControl.Controls
@@ -3,7 +3,7 @@ using System.Windows.Input;

 namespace HandyControl.Data
 {
-    internal class KeyboardHookEventArgs : EventArgs
+    public class KeyboardHookEventArgs : EventArgs
    {
        public bool IsSystemKey { get; }

@@ -1,37 +0,0 @@
-namespace HandyControl_Shared.Data.Enum
-{
-    public enum RelativeStatus
-    {
-        LeftOf,
-
-        Above,
-
-        RightOf,
-
-        Below,
-
-        AlignLeftWith,
-
-        AlignTopWith,
-
-        AlignRightWith,
-
-        AlignBottomWith,
-
-        AlignHorizontalCenterWith,
-
-        AlignVerticalCenterWith,
-
-        AlignLeftWithPanel,
-
-        AlignTopWithPanel,
-
-        AlignRightWithPanel,
-
-        AlignBottomWithPanel,
-
-        AlignHorizontalCenterWithPanel,
-
-        AlignVerticalCenterWithPanel
-    }
-}
@@ -66,7 +66,7 @@ namespace HandyControl.Data
                    //
                    var values = frameDelayItem.Value;
                    _frameDelay = new int[FrameCount];
-                    for (int i = 0; i < FrameCount; ++i)
+                    for (var i = 0; i < FrameCount; ++i)
                    {
                        _frameDelay[i] = values[i * 4] + 256 * values[i * 4 + 1] + 256 * 256 * values[i * 4 + 2] + 256 * 256 * 256 * values[i * 4 + 3];
                    }
@@ -59,7 +59,7 @@ namespace HandyControl.Expression.Drawing
                }
                else
                {
-                    for (int i = list.Count - 1; i >= count; i--)
+                    for (var i = list.Count - 1; i >= count; i--)
                    {
                        list.RemoveAt(i);
                    }
@@ -89,7 +89,7 @@ namespace HandyControl.Expression.Drawing
            }
            else
            {
-                for (int i = list.Count; i < count; i++)
+                for (var i = list.Count; i < count; i++)
                {
                    list.Add((factory == null) ? default(T) : factory());
                }
@@ -2,6 +2,7 @@
 using System.Windows;
 using System.Windows.Media;
 using System.Windows.Shapes;
+using HandyControl.Data;
 using HandyControl.Expression.Drawing;
 using HandyControl.Expression.Media;

@@ -16,7 +17,7 @@ namespace HandyControl.Expression.Shapes
            StretchProperty.OverrideMetadata(typeof(PrimitiveShape),
                new DrawingPropertyMetadata(Stretch.Fill, DrawingPropertyMetadataOptions.AffectsRender));
            StrokeThicknessProperty.OverrideMetadata(typeof(PrimitiveShape),
-                new DrawingPropertyMetadata(1.0, DrawingPropertyMetadataOptions.AffectsRender));
+                new DrawingPropertyMetadata(ValueBoxes.Double1Box, DrawingPropertyMetadataOptions.AffectsRender));
        }

        protected sealed override Geometry DefiningGeometry =>
@@ -18,13 +18,12 @@
    <Compile Include="$(MSBuildThisFileDirectory)Controls\Attach\InfoElement.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)Controls\Attach\PanelElement.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)Controls\Attach\PasswordBoxAttach.cs" />
-    <Compile Include="$(MSBuildThisFileDirectory)Controls\Panel\RelativePanel.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)Controls\Slider\RangeSlider\RangeTrack.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)Controls\Slider\RangeSlider\RangeThumb.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)Controls\Slider\RangeSlider\TwoWayRangeBase.cs" />
-    <Compile Include="$(MSBuildThisFileDirectory)Data\Enum\RelativeStatus.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)Interactivity\Commands\OpenLinkCommand.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)Tools\Converter\NameReferenceConverter.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Tools\Extension\FrameworkElementExtension.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)Tools\Extension\StringExtension.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)Tools\GlobalShortcut.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)Controls\Attach\StatusSwitchElement.cs" />
@@ -273,6 +272,10 @@
    <Compile Include="$(MSBuildThisFileDirectory)Tools\Interop\WNDCLASS.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)Tools\Interop\WpfSafeHandle.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)Interactivity\MouseDragElementBehaviorEx.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Tools\Pool\IPool!1.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Tools\Pool\SimplePool!1.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Tools\Pool\SynchronizedPool!1.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Tools\Queue\Deque!1.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)Tools\RegularJudgment.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)Tools\RegularPatterns.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)Tools\StyleSelector\RadioGroupItemStyleSelector.cs" />
@@ -3,6 +3,7 @@
                    xmlns:controls="clr-namespace:HandyControl.Controls">

    <ResourceDictionary.MergedDictionaries>
+        <ResourceDictionary Source="Border.xaml"/>
        <ResourceDictionary Source="Base/ToggleButtonBaseStyle.xaml"/>
    </ResourceDictionary.MergedDictionaries>

@@ -101,6 +102,124 @@
    <!--开关-->
    <Style x:Key="ToggleButtonSwitch" BasedOn="{StaticResource ToggleButtonSwitchBaseStyle}" TargetType="ToggleButton"/>

+    <!--翻转-->
+    <Style x:Key="ToggleButtonFlip" BasedOn="{StaticResource BaseStyle}" TargetType="ToggleButton">
+        <Setter Property="Background" Value="{DynamicResource RegionBrush}"/>
+        <Setter Property="HorizontalAlignment" Value="Center"/>
+        <Setter Property="VerticalAlignment" Value="Center"/>
+        <Setter Property="Padding" Value="0"/>
+        <Setter Property="BorderThickness" Value="1"/>
+        <Setter Property="Height" Value="30"/>
+        <Setter Property="Width" Value="30"/>
+        <Setter Property="Template">
+            <Setter.Value>
+                <ControlTemplate TargetType="ToggleButton">
+                    <ControlTemplate.Resources>
+                        <Storyboard x:Key="StoryboardChecked">
+                            <DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[0].(ScaleTransform.ScaleX)" Storyboard.TargetName="CheckedElement">
+                                <EasingDoubleKeyFrame KeyTime="0:0:0.2" Value="1">
+                                    <EasingDoubleKeyFrame.EasingFunction>
+                                        <PowerEase EasingMode="EaseOut"/>
+                                    </EasingDoubleKeyFrame.EasingFunction>
+                                </EasingDoubleKeyFrame>
+                            </DoubleAnimationUsingKeyFrames>
+                            <DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[0].(ScaleTransform.ScaleX)" Storyboard.TargetName="UnCheckedElement">
+                                <EasingDoubleKeyFrame KeyTime="0:0:0.2" Value="0">
+                                    <EasingDoubleKeyFrame.EasingFunction>
+                                        <PowerEase EasingMode="EaseOut"/>
+                                    </EasingDoubleKeyFrame.EasingFunction>
+                                </EasingDoubleKeyFrame>
+                            </DoubleAnimationUsingKeyFrames>
+                            <DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="Opacity" Storyboard.TargetName="CheckedElement">
+                                <EasingDoubleKeyFrame KeyTime="0:0:0.1" Value="1">
+                                    <EasingDoubleKeyFrame.EasingFunction>
+                                        <PowerEase EasingMode="EaseOut"/>
+                                    </EasingDoubleKeyFrame.EasingFunction>
+                                </EasingDoubleKeyFrame>
+                            </DoubleAnimationUsingKeyFrames>
+                            <DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="Opacity" Storyboard.TargetName="UnCheckedElement">
+                                <EasingDoubleKeyFrame KeyTime="0:0:0.1" Value="0">
+                                    <EasingDoubleKeyFrame.EasingFunction>
+                                        <PowerEase EasingMode="EaseOut"/>
+                                    </EasingDoubleKeyFrame.EasingFunction>
+                                </EasingDoubleKeyFrame>
+                            </DoubleAnimationUsingKeyFrames>
+                        </Storyboard>
+                        <Storyboard x:Key="StoryboardUnChecked">
+                            <DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[0].(ScaleTransform.ScaleX)" Storyboard.TargetName="CheckedElement">
+                                <EasingDoubleKeyFrame KeyTime="0:0:0.2" Value="0">
+                                    <EasingDoubleKeyFrame.EasingFunction>
+                                        <PowerEase EasingMode="EaseOut"/>
+                                    </EasingDoubleKeyFrame.EasingFunction>
+                                </EasingDoubleKeyFrame>
+                            </DoubleAnimationUsingKeyFrames>
+                            <DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[0].(ScaleTransform.ScaleX)" Storyboard.TargetName="UnCheckedElement">
+                                <EasingDoubleKeyFrame KeyTime="0:0:0.2" Value="1">
+                                    <EasingDoubleKeyFrame.EasingFunction>
+                                        <PowerEase EasingMode="EaseOut"/>
+                                    </EasingDoubleKeyFrame.EasingFunction>
+                                </EasingDoubleKeyFrame>
+                            </DoubleAnimationUsingKeyFrames>
+                            <DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="Opacity" Storyboard.TargetName="CheckedElement">
+                                <EasingDoubleKeyFrame KeyTime="0:0:0.1" Value="0">
+                                    <EasingDoubleKeyFrame.EasingFunction>
+                                        <PowerEase EasingMode="EaseOut"/>
+                                    </EasingDoubleKeyFrame.EasingFunction>
+                                </EasingDoubleKeyFrame>
+                            </DoubleAnimationUsingKeyFrames>
+                            <DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="Opacity" Storyboard.TargetName="UnCheckedElement">
+                                <EasingDoubleKeyFrame KeyTime="0:0:0.1" Value="1">
+                                    <EasingDoubleKeyFrame.EasingFunction>
+                                        <PowerEase EasingMode="EaseOut"/>
+                                    </EasingDoubleKeyFrame.EasingFunction>
+                                </EasingDoubleKeyFrame>
+                            </DoubleAnimationUsingKeyFrames>
+                        </Storyboard>
+                    </ControlTemplate.Resources>
+                    <Viewbox>
+                        <controls:SimplePanel Height="28" Width="28">
+                            <Border Name="UnCheckedElement" Style="{StaticResource BorderClip}" RenderTransformOrigin="0.5,0.5" SnapsToDevicePixels="true" BorderThickness="{TemplateBinding BorderThickness}" BorderBrush="{TemplateBinding BorderBrush}" Background="{TemplateBinding Background}">
+                                <Border.RenderTransform>
+                                    <TransformGroup>
+                                        <ScaleTransform ScaleX="1"/>
+                                    </TransformGroup>
+                                </Border.RenderTransform>
+                                <ContentPresenter Margin="{TemplateBinding Padding}" RecognizesAccessKey="True" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
+                            </Border>
+                            <Border Name="CheckedElement" Style="{StaticResource BorderClip}" RenderTransformOrigin="0.5,0.5" SnapsToDevicePixels="true" BorderThickness="{TemplateBinding BorderThickness}" BorderBrush="{TemplateBinding BorderBrush}" Background="{TemplateBinding Background}">
+                                <Border.RenderTransform>
+                                    <TransformGroup>
+                                        <ScaleTransform ScaleX="0"/>
+                                    </TransformGroup>
+                                </Border.RenderTransform>
+                                <ContentPresenter Margin="{TemplateBinding Padding}" RecognizesAccessKey="True" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" Content="{Binding Path=(controls:StatusSwitchElement.CheckedElement),RelativeSource={RelativeSource TemplatedParent}}"/>
+                            </Border>
+                        </controls:SimplePanel>
+                    </Viewbox>
+                    <ControlTemplate.Triggers>
+                        <Trigger Property="IsMouseOver" Value="True">
+                            <Setter Property="Opacity" Value=".9"/>
+                        </Trigger>
+                        <Trigger Property="IsPressed" Value="True">
+                            <Setter Property="Opacity" Value=".6"/>
+                        </Trigger>
+                        <Trigger Property="IsChecked" Value="true">
+                            <Trigger.EnterActions>
+                                <BeginStoryboard Storyboard="{StaticResource StoryboardChecked}"/>
+                            </Trigger.EnterActions>
+                            <Trigger.ExitActions>
+                                <BeginStoryboard Storyboard="{StaticResource StoryboardUnChecked}"/>
+                            </Trigger.ExitActions>
+                        </Trigger>
+                        <Trigger Property="IsEnabled" Value="False">
+                            <Setter Property="Opacity" Value="0.4"/>
+                        </Trigger>
+                    </ControlTemplate.Triggers>
+                </ControlTemplate>
+            </Setter.Value>
+        </Setter>
+    </Style>
+
    <!--自定义-->
    <Style x:Key="ToggleButtonCustom" BasedOn="{StaticResource BaseStyle}" TargetType="ToggleButton">
        <Setter Property="Background" Value="Transparent"/>
@@ -0,0 +1,58 @@
+using System.Windows;
+
+namespace HandyControl.Tools.Extension
+{
+    public static class FrameworkElementExtension
+    {
+
+        public static double GetValidWidth(this FrameworkElement element)
+        {
+            if (!double.IsNaN(element.Width))
+            {
+                if (element.Width > 0)
+                {
+                    return element.Width;
+                }
+            }
+            else
+            {
+                if (element.ActualWidth > 0)
+                {
+                    return element.ActualWidth;
+                }
+
+                if (element.DesiredSize.Width > 0)
+                {
+                    return element.DesiredSize.Width;
+                }
+            }
+
+            return 0;
+        }
+
+        public static double GetValidHeight(this FrameworkElement element)
+        {
+            if (!double.IsNaN(element.Height))
+            {
+                if (element.Height > 0)
+                {
+                    return element.Height;
+                }
+            }
+            else
+            {
+                if (element.ActualHeight > 0)
+                {
+                    return element.ActualHeight;
+                }
+
+                if (element.DesiredSize.Height > 0)
+                {
+                    return element.DesiredSize.Height;
+                }
+            }
+
+            return 0;
+        }
+    }
+}
@@ -162,7 +162,7 @@ namespace HandyControl.Tools
            try
            {
                // Find the corresponding reference and remove it
-                for (int i = 0; i < ImageInfoList.Count; i++)
+                for (var i = 0; i < ImageInfoList.Count; i++)
                {
                    var imageInfo = ImageInfoList[i];

@@ -27,23 +27,23 @@ namespace HandyControl.Tools
            }

            var index = 0;
-            for (int i = 0; i < 2; i++)
+            for (var i = 0; i < 2; i++)
            {
-                for (int j = 0; j < 5; j++, index++)
+                for (var j = 0; j < 5; j++, index++)
                {
                    AddRec(i, j, renderData[index] == 0);
                }
            }

-            for (int j = 0; j < 5; j++, index++)
+            for (var j = 0; j < 5; j++, index++)
            {
                AddRec(2, j, renderData[index] == 0);
            }

            index -= 10;
-            for (int i = 3; i < 5; i++)
+            for (var i = 3; i < 5; i++)
            {
-                for (int j = 0; j < 5; j++, index++)
+                for (var j = 0; j < 5; j++, index++)
                {
                    AddRec(i, j, renderData[index] == 0);
                }
@@ -78,7 +78,7 @@ namespace HandyControl.Tools
        private int[] GetRenderData(string hashcode)
        {
            var arr = new int[RenderDataMaxLength];
-            for (int i = 0; i < RenderDataMaxLength; i++)
+            for (var i = 0; i < RenderDataMaxLength; i++)
            {
                var c = hashcode[i];
                var v = (int) c;
@@ -22,11 +22,11 @@ namespace HandyControl.Tools
            var arr = new int[count];
            var div = num / count;
            var rest = num % count;
-            for (int i = 0; i < count; i++)
+            for (var i = 0; i < count; i++)
            {
                arr[i] = div;
            }
-            for (int i = 0; i < rest; i++)
+            for (var i = 0; i < rest; i++)
            {
                arr[i] += 1;
            }
@@ -197,7 +197,7 @@ namespace HandyControl.Tools

            var isBitmapIconDecoder = frames[0].Decoder is IconBitmapDecoder;

-            for (int i = 0; i < frames.Count && bestScore != 0; ++i)
+            for (var i = 0; i < frames.Count && bestScore != 0; ++i)
            {
                var currentIconBitDepth = isBitmapIconDecoder ? frames[i].Thumbnail.Format.BitsPerPixel : frames[i].Format.BitsPerPixel;

@@ -34,7 +34,7 @@ namespace HandyControl.Tools
                return t;
            }

-            for (int i = 0; i < VisualTreeHelper.GetChildrenCount(d); i++)
+            for (var i = 0; i < VisualTreeHelper.GetChildrenCount(d); i++)
            {
                var child = VisualTreeHelper.GetChild(d, i);

@@ -6,7 +6,7 @@ using HandyControl.Tools.Interop;

 namespace HandyControl.Tools
 {
-    internal class KeyboardHook
+    public class KeyboardHook
    {
        public static event EventHandler<KeyboardHookEventArgs> KeyDown;

@@ -0,0 +1,9 @@
+namespace HandyControl.Tools
+{
+    public interface IPool<T>
+    {
+        T Acquire();
+
+        bool Release(T instance);
+    }
+}
@@ -0,0 +1,64 @@
+//adapted from https://android.googlesource.com/platform/frameworks/base/+/master/core/java/android/util/Pools.java
+
+using System;
+
+namespace HandyControl.Tools
+{
+    public class SimplePool<T> : IPool<T>
+    {
+        private readonly object[] _pool;
+
+        private int _poolSize;
+
+        public SimplePool(int maxPoolSize)
+        {
+            if (maxPoolSize <= 0)
+            {
+                throw new ArgumentException("The max pool size must be > 0");
+            }
+            _pool = new object[maxPoolSize];
+        }
+
+        public virtual T Acquire()
+        {
+            if (_poolSize > 0)
+            {
+                var lastPooledIndex = _poolSize - 1;
+                var instance = (T)_pool[lastPooledIndex];
+                _pool[lastPooledIndex] = null;
+                _poolSize--;
+                return instance;
+            }
+            return default;
+        }
+
+        public virtual bool Release(T instance)
+        {
+            if (IsInPool(instance))
+            {
+                throw new Exception("Already in the pool!");
+            }
+
+            if (_poolSize < _pool.Length)
+            {
+                _pool[_poolSize] = instance;
+                _poolSize++;
+                return true;
+            }
+
+            return false;
+        }
+
+        private bool IsInPool(T instance)
+        {
+            for (var i = 0; i < _poolSize; i++)
+            {
+                if (Equals(_pool[i], instance))
+                {
+                    return true;
+                }
+            }
+            return false;
+        }
+    }
+}
@@ -0,0 +1,27 @@
+namespace HandyControl.Tools
+{
+    public class SynchronizedPool<T> : SimplePool<T>
+    {
+        private readonly object _lockObj = new object();
+
+        public SynchronizedPool(int maxPoolSize) : base(maxPoolSize)
+        {
+            
+        }
+
+        public override T Acquire()
+        {
+            lock (_lockObj)
+            {
+                return base.Acquire();
+            }
+        }
+
+        public override bool Release(T element)
+        {
+            lock (_lockObj) {
+                return base.Release(element);
+            }
+        }
+    }
+}
@@ -0,0 +1,345 @@
+// adapted from https://www.c-sharpcorner.com/uploadfile/b942f9/implementing-a-double-ended-queue-or-deque-in-c-sharp/
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Threading;
+
+namespace HandyControl.Tools
+{
+    [Serializable]
+    public class Deque<T> : IEnumerable<T>, ICollection
+    {
+        [NonSerialized]
+        private object _syncRoot;
+
+        private List<T> _front;
+
+        private List<T> _back;
+
+        private int _frontDeleted;
+
+        private int _backDeleted;
+
+        public int Capacity => _front.Capacity + _back.Capacity;
+
+        public int Count => _front.Count + _back.Count - _frontDeleted - _backDeleted;
+
+        public bool IsEmpty => Count == 0;
+
+        public IEnumerable<T> Reversed
+        {
+            get
+            {
+                if (_back.Count - _backDeleted > 0)
+                {
+                    for (var i = _back.Count - 1; i >= _backDeleted; i--) yield return _back[i];
+                }
+
+                if (_front.Count - _frontDeleted > 0)
+                {
+                    for (var i = _frontDeleted; i < _front.Count; i++) yield return _front[i];
+                }
+            }
+        }
+
+        public Deque()
+        {
+            _front = new List<T>();
+            _back = new List<T>();
+        }
+
+        public Deque(int capacity)
+        {
+            if (capacity < 0) throw new ArgumentException("Capacity cannot be negative");
+            var temp = capacity / 2;
+            var temp2 = capacity - temp;
+            _front = new List<T>(temp);
+            _back = new List<T>(temp2);
+        }
+
+        public Deque(IEnumerable<T> backCollection) : this(backCollection, null)
+        {
+
+        }
+
+        public Deque(IEnumerable<T> backCollection, IEnumerable<T> frontCollection)
+        {
+            if (backCollection == null && frontCollection == null) throw new ArgumentException("Collections cannot both be null");
+            _front = new List<T>();
+            _back = new List<T>();
+
+            if (backCollection != null)
+            {
+                foreach (var item in backCollection) _back.Add(item);
+            }
+
+            if (frontCollection != null)
+            {
+                foreach (var item in frontCollection) _front.Add(item);
+            }
+        }
+
+        public void AddFirst(T item)
+        {
+            if (_frontDeleted > 0 && _front.Count == _front.Capacity)
+            {
+                _front.RemoveRange(0, _frontDeleted);
+                _frontDeleted = 0;
+            }
+
+            _front.Add(item);
+        }
+
+        public void AddLast(T item)
+        {
+            if (_backDeleted > 0 && _back.Count == _back.Capacity)
+            {
+                _back.RemoveRange(0, _backDeleted);
+                _backDeleted = 0;
+            }
+
+            _back.Add(item);
+        }
+
+        public void AddRangeFirst(IEnumerable<T> range)
+        {
+            if (range == null) return;
+
+            foreach (var item in range) AddFirst(item);
+        }
+
+        public void AddRangeLast(IEnumerable<T> range)
+        {
+            if (range == null) return;
+
+            foreach (var item in range) AddLast(item);
+        }
+
+        public void Clear()
+        {
+            _front.Clear();
+            _back.Clear();
+            _frontDeleted = 0;
+            _backDeleted = 0;
+        }
+
+        public bool Contains(T item)
+        {
+            for (var i = _frontDeleted; i < _front.Count; i++)
+            {
+                if (Equals(_front[i], item)) return true;
+            }
+
+            for (var i = _backDeleted; i < _back.Count; i++)
+            {
+                if (Equals(_back[i], item)) return true;
+            }
+
+            return false;
+        }
+
+        public void CopyTo(T[] array, int index)
+        {
+            if (array == null) throw new ArgumentNullException("Array cannot be null");
+            if (index < 0) throw new ArgumentOutOfRangeException("Index cannot be negative");
+            if (array.Length < index + Count) throw new ArgumentException("Index is invalid");
+            var i = index;
+
+            foreach (var item in this)
+            {
+                array[i++] = item;
+            }
+        }
+
+        public IEnumerator<T> GetEnumerator()
+        {
+            if (_front.Count - _frontDeleted > 0)
+            {
+                for (var i = _front.Count - 1; i >= _frontDeleted; i--) yield return _front[i];
+            }
+
+            if (_back.Count - _backDeleted > 0)
+            {
+                for (var i = _backDeleted; i < _back.Count; i++) yield return _back[i];
+            }
+        }
+
+        public T PeekFirst()
+        {
+            if (_front.Count > _frontDeleted)
+            {
+                return _front[_front.Count - 1];
+            }
+
+            if (_back.Count > _backDeleted)
+            {
+                return _back[_backDeleted];
+            }
+
+            throw new InvalidOperationException("Can't peek at empty Deque");
+        }
+
+        public T PeekLast()
+        {
+            if (_back.Count > _backDeleted)
+            {
+                return _back[_back.Count - 1];
+            }
+
+            if (_front.Count > _frontDeleted)
+            {
+                return _front[_frontDeleted];
+            }
+
+            throw new InvalidOperationException("Can't peek at empty Deque");
+        }
+
+        public T PopFirst()
+        {
+            T result;
+
+            if (_front.Count > _frontDeleted)
+            {
+                result = _front[_front.Count - 1];
+                _front.RemoveAt(_front.Count - 1);
+            }
+            else if (_back.Count > _backDeleted)
+            {
+                result = _back[_backDeleted];
+                _backDeleted++;
+            }
+            else
+            {
+                throw new InvalidOperationException("Can't pop empty Deque");
+            }
+
+            return result;
+        }
+
+
+        public T PopLast()
+        {
+            T result;
+
+            if (_back.Count > _backDeleted)
+            {
+                result = _back[_back.Count - 1];
+                _back.RemoveAt(_back.Count - 1);
+            }
+            else if (_front.Count > _frontDeleted)
+            {
+                result = _front[_frontDeleted];
+                _frontDeleted++;
+            }
+            else
+            {
+                throw new InvalidOperationException("Can't pop empty Deque");
+            }
+
+            return result;
+        }
+
+        public void Reverse()
+        {
+            var temp = _front;
+            _front = _back;
+            _back = temp;
+            var temp2 = _frontDeleted;
+            _frontDeleted = _backDeleted;
+            _backDeleted = temp2;
+        }
+
+        public T[] ToArray()
+        {
+            if (Count == 0) return new T[0];
+            var result = new T[Count];
+            CopyTo(result, 0);
+            return result;
+        }
+
+        public void TrimExcess()
+        {
+            if (_frontDeleted > 0)
+            {
+                _front.RemoveRange(0, _frontDeleted);
+                _frontDeleted = 0;
+            }
+
+            if (_backDeleted > 0)
+            {
+                _back.RemoveRange(0, _backDeleted);
+                _backDeleted = 0;
+            }
+
+            _front.TrimExcess();
+            _back.TrimExcess();
+        }
+
+        public bool TryPeekFirst(out T item)
+        {
+            if (!IsEmpty)
+            {
+                item = PeekFirst();
+                return true;
+            }
+
+            item = default;
+            return false;
+        }
+
+        public bool TryPeekLast(out T item)
+        {
+            if (!IsEmpty)
+            {
+                item = PeekLast();
+                return true;
+            }
+
+            item = default;
+            return false;
+        }
+
+        public bool TryPopFirst(out T item)
+        {
+            if (!IsEmpty)
+            {
+                item = PopFirst();
+                return true;
+            }
+
+            item = default;
+            return false;
+        }
+
+        public bool TryPopLast(out T item)
+        {
+            if (!IsEmpty)
+            {
+                item = PopLast();
+                return true;
+            }
+
+            item = default;
+            return false;
+        }
+
+        bool ICollection.IsSynchronized => false;
+
+        object ICollection.SyncRoot
+        {
+            get
+            {
+                if (_syncRoot == null)
+                {
+                    Interlocked.CompareExchange<object>(ref _syncRoot, new object(), null);
+                }
+                return _syncRoot;
+            }
+        }
+
+        void ICollection.CopyTo(Array array, int index) => CopyTo((T[])array, index);
+
+        IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
+    }
+}