Use env-var 'PlatformToolset'.

Author: gvanem

.github/workflows/msbuild.yml

@@ -21,10 +21,10 @@ jobs:
 
     - name: Build
       working-directory: ${{env.GITHUB_WORKSPACE}}
-      run: msbuild /m /p:Configuration=${{matrix.BUILD_CONFIGURATION}} /p:Platform=${{matrix.BUILD_PLATFORM}} ${{env.SOLUTION_FILE_PATH}}
+      run: msbuild /m /p:Configuration=${{matrix.BUILD_CONFIGURATION}} /p:Platform=${{matrix.BUILD_PLATFORM}} /p:PlatformToolset=v143 ${{env.SOLUTION_FILE_PATH}}
 
 # test:
 #   steps:
 #    run: start dump1090.exe --config dump1090-ci.cfg --debug Gn --net --logfile dump1090-ci.log
 #         py.exe -3 tools\SBS_client.py --host localhost --wait 10 --port 30001 raw-out
-#
+#

src/Dump1090.vcxproj

@@ -31,22 +31,22 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v143</PlatformToolset>
+    <PlatformToolset>$(PlatformToolset)</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v143</PlatformToolset>
+    <PlatformToolset>$(PlatformToolset)</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v143</PlatformToolset>
+    <PlatformToolset>$(PlatformToolset)</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v143</PlatformToolset>
+    <PlatformToolset>$(PlatformToolset)</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">