VS: Fix managed C++ project generation for VS 2022

VS 2022 expects managed `.vcxproj` files to have a `ManagedAssembly`
element.

Fixes: #22583

Source/cmVisualStudio10TargetGenerator.cxx

@@ -581,6 +581,10 @@ void cmVisualStudio10TargetGenerator::Generate()
       }
 
       if (this->Managed) {
+        if (this->LocalGenerator->GetVersion() >=
+            cmGlobalVisualStudioGenerator::VS17) {
+          e1.Element("ManagedAssembly", "true");
+        }
         std::string outputType;
         switch (this->GeneratorTarget->GetType()) {
           case cmStateEnums::OBJECT_LIBRARY:

Tests/VSWindowsFormsResx/CMakeLists.txt

@@ -33,6 +33,12 @@ set(TARGET_RESX
 
 set(TARGET_LIBRARIES ${SYSLIBS})
 add_executable(${PROJECT_NAME} ${TARGET_SRC} ${TARGET_H} ${TARGET_RESX})
+if(NOT CMAKE_GENERATOR MATCHES "Visual Studio 1[0-6]")
+  # VS 17 2022 and above require a global mark on managed assemblies.
+  # CMake adds this automatically when using COMMON_LANGUAGE_RUNTIME,
+  # but this test covers direct use of /clr.
+  set_property(TARGET ${PROJECT_NAME} PROPERTY VS_GLOBAL_ManagedAssembly "true")
+endif()
 
 # Note: The property VS_GLOBAL_KEYWORD must be set.
 set_property(TARGET ${PROJECT_NAME} PROPERTY VS_GLOBAL_KEYWORD "ManagedCProj")