Coding⏱️ 3 min read📅 2026-05-30

How to Fix: 'unresolved token' error for get_Thing and set_Thing methods for properties in C++/CLI code

Error in C++/CLI code due to unresolved tokens for get_Thing and set_Thing methods.

Quick Answer: Check that the 'ManagedStuff' class is properly defined and that the 'get_Thing' and 'set_Thing' methods are correctly implemented.

The 'unresolved token' error for the get_Thing and set_Thing methods in your C++/CLI code is typically caused by a mismatch between the compiler options and the project settings. This can occur when you're using the /clr:safe option, which enables safe COM interop, but forget to include the necessary header files.

💡 Why You Are Getting This Error

  • [Cause]

✅ Best Solutions to Fix It

Method 1: Correcting the Project Settings

  1. Step 1: Open your project's properties by right-clicking on the project in Visual Studio and selecting Properties.

Method 2: Adding Missing Header Files

  1. Step 1: Open your StuffWrapper.h file and add the following line at the top:
&& #include <windows.h>

Method 3: Using /clr:oldSyntax

  1. Step 1: Open your project's properties by right-clicking on the project in Visual Studio and selecting Properties.

Method 4: Cleaning and Rebuilding

  1. Step 1: Close your project in Visual Studio.

By following these steps, you should be able to resolve the 'unresolved token' error for the get_Thing and set_Thing methods in your C++/CLI code.

🎯 Final Words

Remember to always check your project settings and include all necessary header files when working with C++/CLI.

Did this fix your problem?

If not, try searching for specific error codes.

🔍 Search Error Database

❓ Frequently Asked Questions