SDK与Windows 10更新同步及标准C++中WinRT使用的编译报错问题

Hey Richard, let's work through this compile error you're facing with C++/WinRT in VS2017 Community. You've already checked off the critical prerequisites—updating Windows 10 to 1803, installing the latest SDK, and setting up VS with the C++/WinRT package and templates—so let's narrow down the most likely issues:

• Confirm C++/WinRT package and SDK version alignment
  Sometimes extension updates don't sync perfectly with your installed SDK. Open Tools > Extensions and Updates in VS2017, locate the C++/WinRT extension, note its version, then cross-check it against your Windows 10 SDK version (found in Control Panel > Programs and Features under "Windows Software Development Kit"). If they don't match, reinstall the C++/WinRT extension targeted to your exact SDK version.

• Audit your project's configuration settings
  Open your sample project's properties and verify these key areas:

  1. Under General, ensure the Windows SDK Version is set to the latest one you installed (not a legacy version).
  2. Under C/C++ > General, check that Additional Include Directories includes the C++/WinRT headers—this should be auto-populated, but updates can break this. Look for a path like $(SolutionDir)packages\Microsoft.Windows.CppWinRT.*\build\native\include or the system-wide extension include path.
  3. Under Linker > Input, confirm windowsapp.lib is referenced (a requirement for UWP/C++/WinRT apps) and that no conflicting library references are present.

• Do a clean, full rebuild
  Visual Studio often caches old build artifacts after extension updates, which can cause unexpected errors. First, run Build > Clean Solution, then manually delete the bin and obj folders from your project directory. Finally, do a full Rebuild Solution to compile everything from scratch.

• Rule out conflicting extensions or outdated VS components
  If you have other C++/Windows runtime extensions installed (like older WRL tools), they might clash with C++/WinRT. Temporarily disable non-essential extensions and try compiling again. Also, make sure VS2017 is fully updated via Help > Check for Updates—core VS patches often fix extension compatibility bugs.

• Test with a fresh template project
  Create a new C++/WinRT project using VS2017's built-in templates (e.g., a blank UWP app with C++/WinRT) and attempt to compile it. If this works, the issue is specific to your sample project—likely outdated code that doesn't match the newer C++/WinRT package version. Compare the working template's settings and code structure to your sample to spot discrepancies.

If you can share the exact error messages (compiler codes, line numbers, or specific warnings/errors), that would help zero in on the problem even quicker—for example, missing header files, unresolved symbols, or runtime version mismatches.

内容的提问来源于stack exchange，提问作者Richard Chambers