From dcaccdabc9d6e7a34b4fb99a7fb5849848ff4709 Mon Sep 17 00:00:00 2001
From: HO-COOH <szpeter@yeah.net>
Date: Sat, 19 Sep 2026 12:19:51 +0800
Subject: [PATCH] Update all C++ project to use C++20. Enable MIDL
 multi-threaded compilation

---
 .../WindowsApplication/WindowsApplication.vcxproj               | 2 ++
 .../VC/Windows Universal/BlankApp/BlankApp.vcxproj              | 2 ++
 .../VC/Windows Universal/CoreApp/CoreApp.vcxproj                | 2 ++
 .../WindowsRuntimeComponent/WindowsRuntimeComponent.vcxproj     | 2 ++
 4 files changed, 8 insertions(+)

diff --git a/vsix/ProjectTemplates/VC/Windows Desktop/WindowsApplication/WindowsApplication.vcxproj b/vsix/ProjectTemplates/VC/Windows Desktop/WindowsApplication/WindowsApplication.vcxproj
index e4a05cdc7..5ead859f8 100644
--- a/vsix/ProjectTemplates/VC/Windows Desktop/WindowsApplication/WindowsApplication.vcxproj	
+++ b/vsix/ProjectTemplates/VC/Windows Desktop/WindowsApplication/WindowsApplication.vcxproj	
@@ -5,6 +5,7 @@
     <CppWinRTRootNamespaceAutoMerge>true</CppWinRTRootNamespaceAutoMerge>
     <CppWinRTGenerateWindowsMetadata>true</CppWinRTGenerateWindowsMetadata>
     <MinimalCoreWin>true</MinimalCoreWin>
+    <MultiProcMIDL>true</MultiProcMIDL>
     <VCProjectVersion>15.0</VCProjectVersion>
     <ProjectGuid>{$guid1$}</ProjectGuid>
     <Keyword>Win32Proj</Keyword>
@@ -65,6 +66,7 @@
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>pch.h</PrecompiledHeaderFile>
       <PrecompiledHeaderOutputFile>$(IntDir)pch.pch</PrecompiledHeaderOutputFile>
+      <LanguageStandard>stdcpp20</LanguageStandard>
       <PreprocessorDefinitions>_CONSOLE;WIN32_LEAN_AND_MEAN;WINRT_LEAN_AND_MEAN;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <WarningLevel>Level4</WarningLevel>
       <TreatWarningAsError>true</TreatWarningAsError>
diff --git a/vsix/ProjectTemplates/VC/Windows Universal/BlankApp/BlankApp.vcxproj b/vsix/ProjectTemplates/VC/Windows Universal/BlankApp/BlankApp.vcxproj
index ae3d074f2..c4de0d823 100644
--- a/vsix/ProjectTemplates/VC/Windows Universal/BlankApp/BlankApp.vcxproj	
+++ b/vsix/ProjectTemplates/VC/Windows Universal/BlankApp/BlankApp.vcxproj	
@@ -5,6 +5,7 @@
     <CppWinRTRootNamespaceAutoMerge>true</CppWinRTRootNamespaceAutoMerge>
     <CppWinRTGenerateWindowsMetadata>true</CppWinRTGenerateWindowsMetadata>
     <MinimalCoreWin>true</MinimalCoreWin>
+    <MultiProcMIDL>true</MultiProcMIDL>
     <ProjectGuid>{$guid1$}</ProjectGuid>
     <ProjectName>$projectname$</ProjectName>
     <RootNamespace>$safeprojectname$</RootNamespace>
@@ -75,6 +76,7 @@
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>pch.h</PrecompiledHeaderFile>
       <PrecompiledHeaderOutputFile>$(IntDir)pch.pch</PrecompiledHeaderOutputFile>
+      <LanguageStandard>stdcpp20</LanguageStandard>
       <WarningLevel>Level4</WarningLevel>
       <TreatWarningAsError>true</TreatWarningAsError>
       <AdditionalOptions>%(AdditionalOptions) /bigobj</AdditionalOptions>
diff --git a/vsix/ProjectTemplates/VC/Windows Universal/CoreApp/CoreApp.vcxproj b/vsix/ProjectTemplates/VC/Windows Universal/CoreApp/CoreApp.vcxproj
index 2d891ef11..a39d94956 100644
--- a/vsix/ProjectTemplates/VC/Windows Universal/CoreApp/CoreApp.vcxproj	
+++ b/vsix/ProjectTemplates/VC/Windows Universal/CoreApp/CoreApp.vcxproj	
@@ -4,6 +4,7 @@
     <CppWinRTOptimized>true</CppWinRTOptimized>
     <CppWinRTRootNamespaceAutoMerge>true</CppWinRTRootNamespaceAutoMerge>
     <MinimalCoreWin>true</MinimalCoreWin>
+    <MultiProcMIDL>true</MultiProcMIDL>
     <ProjectGuid>{$guid1$}</ProjectGuid>
     <ProjectName>$projectname$</ProjectName>
     <RootNamespace>$safeprojectname$</RootNamespace>
@@ -74,6 +75,7 @@
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>pch.h</PrecompiledHeaderFile>
       <PrecompiledHeaderOutputFile>$(IntDir)pch.pch</PrecompiledHeaderOutputFile>
+      <LanguageStandard>stdcpp20</LanguageStandard>
       <WarningLevel>Level4</WarningLevel>
       <TreatWarningAsError>true</TreatWarningAsError>
       <AdditionalOptions>%(AdditionalOptions) /bigobj</AdditionalOptions>
diff --git a/vsix/ProjectTemplates/VC/Windows Universal/WindowsRuntimeComponent/WindowsRuntimeComponent.vcxproj b/vsix/ProjectTemplates/VC/Windows Universal/WindowsRuntimeComponent/WindowsRuntimeComponent.vcxproj
index da87bf2fb..3156240ea 100644
--- a/vsix/ProjectTemplates/VC/Windows Universal/WindowsRuntimeComponent/WindowsRuntimeComponent.vcxproj	
+++ b/vsix/ProjectTemplates/VC/Windows Universal/WindowsRuntimeComponent/WindowsRuntimeComponent.vcxproj	
@@ -5,6 +5,7 @@
     <CppWinRTRootNamespaceAutoMerge>true</CppWinRTRootNamespaceAutoMerge>
     <CppWinRTGenerateWindowsMetadata>true</CppWinRTGenerateWindowsMetadata>
     <MinimalCoreWin>true</MinimalCoreWin>
+    <MultiProcMIDL>true</MultiProcMIDL>
     <ProjectGuid>{$guid1$}</ProjectGuid>
     <ProjectName>$projectname$</ProjectName>
     <RootNamespace>$safeprojectname$</RootNamespace>
@@ -79,6 +80,7 @@
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>pch.h</PrecompiledHeaderFile>
       <PrecompiledHeaderOutputFile>$(IntDir)pch.pch</PrecompiledHeaderOutputFile>
+      <LanguageStandard>stdcpp20</LanguageStandard>
       <WarningLevel>Level4</WarningLevel>
       <TreatWarningAsError>true</TreatWarningAsError>
       <AdditionalOptions>%(AdditionalOptions) /bigobj</AdditionalOptions>