#217-set VS project to c++20 and c17

Completed.

Author: schmouk

cpp-strings/cpp-strings.vcxproj

@@ -76,8 +76,9 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
-      <LanguageStandard>stdcpplatest</LanguageStandard>
-      <LanguageStandard_C>stdclatest</LanguageStandard_C>
+      <LanguageStandard>stdcpp20</LanguageStandard>
+      <LanguageStandard_C>stdc17</LanguageStandard_C>
+      <EnableModules>false</EnableModules>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -92,8 +93,9 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
-      <LanguageStandard>stdcpplatest</LanguageStandard>
-      <LanguageStandard_C>stdclatest</LanguageStandard_C>
+      <LanguageStandard>stdcpp20</LanguageStandard>
+      <LanguageStandard_C>stdc17</LanguageStandard_C>
+      <EnableModules>false</EnableModules>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -108,9 +110,9 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
-      <LanguageStandard>stdcpplatest</LanguageStandard>
-      <LanguageStandard_C>stdclatest</LanguageStandard_C>
-      <EnableModules>true</EnableModules>
+      <LanguageStandard>stdcpp20</LanguageStandard>
+      <LanguageStandard_C>stdc17</LanguageStandard_C>
+      <EnableModules>false</EnableModules>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
     </ClCompile>
     <Link>
@@ -126,9 +128,9 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
-      <LanguageStandard>stdcpplatest</LanguageStandard>
-      <LanguageStandard_C>stdclatest</LanguageStandard_C>
-      <EnableModules>true</EnableModules>
+      <LanguageStandard>stdcpp20</LanguageStandard>
+      <LanguageStandard_C>stdc17</LanguageStandard_C>
+      <EnableModules>false</EnableModules>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
     </ClCompile>
     <Link>
@@ -142,6 +144,7 @@
     <ClCompile Include="cppstrings.cpp" />
   </ItemGroup>
   <ItemGroup>
+    <ClInclude Include="archive\cppstrings.h" />
     <ClInclude Include="cppstrings.h" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />