diff --git a/Tutorial/GacUI_ControlTemplate/WindowSkin/WindowSkin.vcxproj b/Tutorial/GacUI_ControlTemplate/WindowSkin/WindowSkin.vcxproj
index 2f12da30..f7b0071e 100644
--- a/Tutorial/GacUI_ControlTemplate/WindowSkin/WindowSkin.vcxproj
+++ b/Tutorial/GacUI_ControlTemplate/WindowSkin/WindowSkin.vcxproj
@@ -124,6 +124,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>VCZH_DEBUG_NO_REFLECTION;_DEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -138,6 +139,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>VCZH_DEBUG_NO_REFLECTION;NDEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
diff --git a/Tutorial/GacUI_Controls/Animation/Animation.vcxproj b/Tutorial/GacUI_Controls/Animation/Animation.vcxproj
index e0512f3f..dd5bad62 100644
--- a/Tutorial/GacUI_Controls/Animation/Animation.vcxproj
+++ b/Tutorial/GacUI_Controls/Animation/Animation.vcxproj
@@ -127,6 +127,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>_DEBUG;_WINDOWS;%(PreprocessorDefinitions);VCZH_DEBUG_NO_REFLECTION</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -162,6 +163,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>NDEBUG;_WINDOWS;%(PreprocessorDefinitions);VCZH_DEBUG_NO_REFLECTION</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
diff --git a/Tutorial/GacUI_Controls/CalculatorAndStateMachine/CalculatorAndStateMachine.vcxproj b/Tutorial/GacUI_Controls/CalculatorAndStateMachine/CalculatorAndStateMachine.vcxproj
index 29ece17b..6c98a048 100644
--- a/Tutorial/GacUI_Controls/CalculatorAndStateMachine/CalculatorAndStateMachine.vcxproj
+++ b/Tutorial/GacUI_Controls/CalculatorAndStateMachine/CalculatorAndStateMachine.vcxproj
@@ -110,6 +110,7 @@
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>_DEBUG;_WINDOWS;%(PreprocessorDefinitions);VCZH_DEBUG_NO_REFLECTION</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -145,6 +146,7 @@
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>NDEBUG;_WINDOWS;%(PreprocessorDefinitions);VCZH_DEBUG_NO_REFLECTION</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
diff --git a/Tutorial/GacUI_Controls/DataGrid/DataGrid.vcxproj b/Tutorial/GacUI_Controls/DataGrid/DataGrid.vcxproj
index 80a1361c..39a0e56a 100644
--- a/Tutorial/GacUI_Controls/DataGrid/DataGrid.vcxproj
+++ b/Tutorial/GacUI_Controls/DataGrid/DataGrid.vcxproj
@@ -110,6 +110,7 @@
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>_DEBUG;_WINDOWS;%(PreprocessorDefinitions);VCZH_DEBUG_NO_REFLECTION</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -145,6 +146,7 @@
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>NDEBUG;_WINDOWS;%(PreprocessorDefinitions);VCZH_DEBUG_NO_REFLECTION</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
diff --git a/Tutorial/GacUI_Controls/Dialogs/Dialogs.vcxproj b/Tutorial/GacUI_Controls/Dialogs/Dialogs.vcxproj
new file mode 100644
index 00000000..a41f2055
--- /dev/null
+++ b/Tutorial/GacUI_Controls/Dialogs/Dialogs.vcxproj
@@ -0,0 +1,139 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <VCProjectVersion>16.0</VCProjectVersion>
+    <Keyword>Win32Proj</Keyword>
+    <ProjectGuid>{5d6cc27a-a227-4a12-b56e-827e671f1445}</ProjectGuid>
+    <RootNamespace>Dialogs</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="Shared">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+      <LanguageStandard>stdcpp20</LanguageStandard>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+      <LanguageStandard>stdcpp20</LanguageStandard>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>_DEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+      <LanguageStandard>stdcpp20</LanguageStandard>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>NDEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+      <LanguageStandard>stdcpp20</LanguageStandard>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClCompile Include="Main.cpp" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
\ No newline at end of file
diff --git a/Tutorial/GacUI_Controls/Dialogs/Dialogs.vcxproj.filters b/Tutorial/GacUI_Controls/Dialogs/Dialogs.vcxproj.filters
new file mode 100644
index 00000000..26604cfa
--- /dev/null
+++ b/Tutorial/GacUI_Controls/Dialogs/Dialogs.vcxproj.filters
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="Source Files">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;c++;cppm;ixx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+    </Filter>
+    <Filter Include="Header Files">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hh;hpp;hxx;h++;hm;inl;inc;ipp;xsd</Extensions>
+    </Filter>
+    <Filter Include="Resource Files">
+      <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
+      <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="Main.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+  </ItemGroup>
+</Project>
\ No newline at end of file
diff --git a/Tutorial/GacUI_Controls/Dialogs/Main.cpp b/Tutorial/GacUI_Controls/Dialogs/Main.cpp
new file mode 100644
index 00000000..e69de29b
diff --git a/Tutorial/GacUI_Controls/DocumentEditor/DocumentEditor.vcxproj b/Tutorial/GacUI_Controls/DocumentEditor/DocumentEditor.vcxproj
index d5ea5bd9..064fa373 100644
--- a/Tutorial/GacUI_Controls/DocumentEditor/DocumentEditor.vcxproj
+++ b/Tutorial/GacUI_Controls/DocumentEditor/DocumentEditor.vcxproj
@@ -110,6 +110,7 @@
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>_DEBUG;_WINDOWS;%(PreprocessorDefinitions);VCZH_DEBUG_NO_REFLECTION</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -145,6 +146,7 @@
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>NDEBUG;_WINDOWS;%(PreprocessorDefinitions);VCZH_DEBUG_NO_REFLECTION</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
diff --git a/Tutorial/GacUI_Controls/DocumentEditorRibbon/DocumentEditorRibbon.vcxproj b/Tutorial/GacUI_Controls/DocumentEditorRibbon/DocumentEditorRibbon.vcxproj
index 870ab42d..2122350f 100644
--- a/Tutorial/GacUI_Controls/DocumentEditorRibbon/DocumentEditorRibbon.vcxproj
+++ b/Tutorial/GacUI_Controls/DocumentEditorRibbon/DocumentEditorRibbon.vcxproj
@@ -112,6 +112,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions);VCZH_DEBUG_NO_REFLECTION</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
@@ -151,6 +152,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions);VCZH_DEBUG_NO_REFLECTION</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
diff --git a/Tutorial/GacUI_Controls/DocumentEditorToolstrip/DocumentEditorToolstrip.vcxproj b/Tutorial/GacUI_Controls/DocumentEditorToolstrip/DocumentEditorToolstrip.vcxproj
index 700257fd..d530c988 100644
--- a/Tutorial/GacUI_Controls/DocumentEditorToolstrip/DocumentEditorToolstrip.vcxproj
+++ b/Tutorial/GacUI_Controls/DocumentEditorToolstrip/DocumentEditorToolstrip.vcxproj
@@ -112,6 +112,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions);VCZH_DEBUG_NO_REFLECTION;;VCZH_DEBUG_NO_REFLECTIOn</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
@@ -151,6 +152,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions);VCZH_DEBUG_NO_REFLECTION;;VCZH_DEBUG_NO_REFLECTIOn</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
diff --git a/Tutorial/GacUI_Controls/GacUI_Controls.sln b/Tutorial/GacUI_Controls/GacUI_Controls.sln
index 7316292a..9d6eb09b 100644
--- a/Tutorial/GacUI_Controls/GacUI_Controls.sln
+++ b/Tutorial/GacUI_Controls/GacUI_Controls.sln
@@ -43,6 +43,8 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Win11ToolstripMenu", "Win11
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "ColorPicker2", "ColorPicker2\ColorPicker2.vcxproj", "{ACC58445-C99B-463D-AB8B-FCC9B85693D4}"
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Dialogs", "Dialogs\Dialogs.vcxproj", "{5D6CC27A-A227-4A12-B56E-827E671F1445}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Win32 = Debug|Win32
@@ -193,6 +195,14 @@ Global
 		{ACC58445-C99B-463D-AB8B-FCC9B85693D4}.Release|Win32.Build.0 = Release|Win32
 		{ACC58445-C99B-463D-AB8B-FCC9B85693D4}.Release|x64.ActiveCfg = Release|x64
 		{ACC58445-C99B-463D-AB8B-FCC9B85693D4}.Release|x64.Build.0 = Release|x64
+		{5D6CC27A-A227-4A12-B56E-827E671F1445}.Debug|Win32.ActiveCfg = Debug|Win32
+		{5D6CC27A-A227-4A12-B56E-827E671F1445}.Debug|Win32.Build.0 = Debug|Win32
+		{5D6CC27A-A227-4A12-B56E-827E671F1445}.Debug|x64.ActiveCfg = Debug|x64
+		{5D6CC27A-A227-4A12-B56E-827E671F1445}.Debug|x64.Build.0 = Debug|x64
+		{5D6CC27A-A227-4A12-B56E-827E671F1445}.Release|Win32.ActiveCfg = Release|Win32
+		{5D6CC27A-A227-4A12-B56E-827E671F1445}.Release|Win32.Build.0 = Release|Win32
+		{5D6CC27A-A227-4A12-B56E-827E671F1445}.Release|x64.ActiveCfg = Release|x64
+		{5D6CC27A-A227-4A12-B56E-827E671F1445}.Release|x64.Build.0 = Release|x64
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/Tutorial/GacUI_Controls/ListControls/ListControls.vcxproj b/Tutorial/GacUI_Controls/ListControls/ListControls.vcxproj
index 680b1033..8e33d315 100644
--- a/Tutorial/GacUI_Controls/ListControls/ListControls.vcxproj
+++ b/Tutorial/GacUI_Controls/ListControls/ListControls.vcxproj
@@ -110,6 +110,7 @@
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>_DEBUG;_WINDOWS;%(PreprocessorDefinitions);VCZH_DEBUG_NO_REFLECTION</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -145,6 +146,7 @@
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>NDEBUG;_WINDOWS;%(PreprocessorDefinitions);VCZH_DEBUG_NO_REFLECTION</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
diff --git a/Tutorial/GacUI_Controls/Localization/Localization.vcxproj b/Tutorial/GacUI_Controls/Localization/Localization.vcxproj
index 9d561201..6ec0115f 100644
--- a/Tutorial/GacUI_Controls/Localization/Localization.vcxproj
+++ b/Tutorial/GacUI_Controls/Localization/Localization.vcxproj
@@ -127,6 +127,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>_DEBUG;_WINDOWS;%(PreprocessorDefinitions);VCZH_DEBUG_NO_REFLECTION</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -162,6 +163,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>NDEBUG;_WINDOWS;%(PreprocessorDefinitions);VCZH_DEBUG_NO_REFLECTION</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
diff --git a/Tutorial/GacUI_Controls/MenuVisibility/MenuVisibility.vcxproj b/Tutorial/GacUI_Controls/MenuVisibility/MenuVisibility.vcxproj
index 24d73fc6..6380db4f 100644
--- a/Tutorial/GacUI_Controls/MenuVisibility/MenuVisibility.vcxproj
+++ b/Tutorial/GacUI_Controls/MenuVisibility/MenuVisibility.vcxproj
@@ -127,6 +127,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>_DEBUG;_WINDOWS;%(PreprocessorDefinitions);VCZH_DEBUG_NO_REFLECTION</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -162,6 +163,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>NDEBUG;_WINDOWS;%(PreprocessorDefinitions);VCZH_DEBUG_NO_REFLECTION</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
diff --git a/Tutorial/GacUI_Controls/ProgressAndAsync/ProgressAndAsync.vcxproj b/Tutorial/GacUI_Controls/ProgressAndAsync/ProgressAndAsync.vcxproj
index 6ee5a3c2..0e0646e5 100644
--- a/Tutorial/GacUI_Controls/ProgressAndAsync/ProgressAndAsync.vcxproj
+++ b/Tutorial/GacUI_Controls/ProgressAndAsync/ProgressAndAsync.vcxproj
@@ -110,6 +110,7 @@
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>_DEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -145,6 +146,7 @@
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>NDEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
diff --git a/Tutorial/GacUI_Controls/QueryService/QueryService.vcxproj b/Tutorial/GacUI_Controls/QueryService/QueryService.vcxproj
index f99efb64..4adc4734 100644
--- a/Tutorial/GacUI_Controls/QueryService/QueryService.vcxproj
+++ b/Tutorial/GacUI_Controls/QueryService/QueryService.vcxproj
@@ -109,6 +109,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>_DEBUG;_WINDOWS;%(PreprocessorDefinitions);VCZH_DEBUG_NO_REFLECTION</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
@@ -142,6 +143,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>NDEBUG;_WINDOWS;%(PreprocessorDefinitions);VCZH_DEBUG_NO_REFLECTION</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
diff --git a/Tutorial/GacUI_Controls/TriplePhaseImageButton/TriplePhaseImageButton.vcxproj b/Tutorial/GacUI_Controls/TriplePhaseImageButton/TriplePhaseImageButton.vcxproj
index 0407617c..aba78a64 100644
--- a/Tutorial/GacUI_Controls/TriplePhaseImageButton/TriplePhaseImageButton.vcxproj
+++ b/Tutorial/GacUI_Controls/TriplePhaseImageButton/TriplePhaseImageButton.vcxproj
@@ -109,6 +109,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>_DEBUG;_WINDOWS;%(PreprocessorDefinitions);VCZH_DEBUG_NO_REFLECTION</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
@@ -142,6 +143,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>NDEBUG;_WINDOWS;%(PreprocessorDefinitions);VCZH_DEBUG_NO_REFLECTION</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
diff --git a/Tutorial/GacUI_Controls/Win11ToolstripMenu/Win11ToolstripMenu.vcxproj b/Tutorial/GacUI_Controls/Win11ToolstripMenu/Win11ToolstripMenu.vcxproj
index b85f9684..38fe335b 100644
--- a/Tutorial/GacUI_Controls/Win11ToolstripMenu/Win11ToolstripMenu.vcxproj
+++ b/Tutorial/GacUI_Controls/Win11ToolstripMenu/Win11ToolstripMenu.vcxproj
@@ -124,6 +124,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>VCZH_DEBUG_NO_REFLECTION;_DEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -138,6 +139,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>VCZH_DEBUG_NO_REFLECTION;NDEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
diff --git a/Tutorial/GacUI_Layout/Responsive1/Responsive1.vcxproj b/Tutorial/GacUI_Layout/Responsive1/Responsive1.vcxproj
index ea1642dc..7340173b 100644
--- a/Tutorial/GacUI_Layout/Responsive1/Responsive1.vcxproj
+++ b/Tutorial/GacUI_Layout/Responsive1/Responsive1.vcxproj
@@ -127,6 +127,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>_DEBUG;_WINDOWS;%(PreprocessorDefinitions);VCZH_DEBUG_NO_REFLECTION</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -162,6 +163,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>NDEBUG;_WINDOWS;%(PreprocessorDefinitions);VCZH_DEBUG_NO_REFLECTION</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
diff --git a/Tutorial/GacUI_Layout/Responsive2/Responsive2.vcxproj b/Tutorial/GacUI_Layout/Responsive2/Responsive2.vcxproj
index 59a3d53f..a552a8f6 100644
--- a/Tutorial/GacUI_Layout/Responsive2/Responsive2.vcxproj
+++ b/Tutorial/GacUI_Layout/Responsive2/Responsive2.vcxproj
@@ -127,6 +127,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>_DEBUG;_WINDOWS;%(PreprocessorDefinitions);VCZH_DEBUG_NO_REFLECTION</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -162,6 +163,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>NDEBUG;_WINDOWS;%(PreprocessorDefinitions);VCZH_DEBUG_NO_REFLECTION</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
diff --git a/Tutorial/GacUI_Layout/SharedSize/SharedSize.vcxproj b/Tutorial/GacUI_Layout/SharedSize/SharedSize.vcxproj
index 995808c7..c3c43b7c 100644
--- a/Tutorial/GacUI_Layout/SharedSize/SharedSize.vcxproj
+++ b/Tutorial/GacUI_Layout/SharedSize/SharedSize.vcxproj
@@ -109,6 +109,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>_DEBUG;_WINDOWS;%(PreprocessorDefinitions);VCZH_DEBUG_NO_REFLECTION</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
@@ -142,6 +143,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>NDEBUG;_WINDOWS;%(PreprocessorDefinitions);VCZH_DEBUG_NO_REFLECTION</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
diff --git a/Tutorial/GacUI_Xml/Misc_ImportFolder/Misc_ImportFolder.vcxproj b/Tutorial/GacUI_Xml/Misc_ImportFolder/Misc_ImportFolder.vcxproj
index a514aefa..eb38cb7f 100644
--- a/Tutorial/GacUI_Xml/Misc_ImportFolder/Misc_ImportFolder.vcxproj
+++ b/Tutorial/GacUI_Xml/Misc_ImportFolder/Misc_ImportFolder.vcxproj
@@ -109,6 +109,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>_DEBUG;_WINDOWS;%(PreprocessorDefinitions);VCZH_DEBUG_NO_REFLECTION</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
@@ -142,6 +143,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>NDEBUG;_WINDOWS;%(PreprocessorDefinitions);VCZH_DEBUG_NO_REFLECTION</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>