Is it possible to create C++ REST api in visual Studio?

Question

Is it possible to create C++ REST api in visual Studio?

BALASUBRAMANIAN KN 45

I'm currently using Visual Studio 2022 version to create a demo project with WMI. I just wanted to know if it is possible to create REST API for the result from WMI using C++? If possible, can you suggest the type of project template that need to be used such that the WMI code can be integrated with the REST API to get the expected output. Just incase suggest some REST API libraries for C++ that are supported by Microsoft Visual Studio.
Thanks in advance !

BALASUBRAMANIAN KN 45 Reputation points

2023-03-13T11:13:26.1066667+00:00

@YujianYao-MSFT Thanks for your message. Already tried working on CPPREST API by downloading its headers from NuGet Package Manager.
Tried running the code available in https://github.com/Microsoft/cpprestsdk/wiki/Getting-Started-Tutorial but getting syntax errors. Kindly check the attached image. Does this API work only with any specific version of C++? Can you just help me out resolving any errors.
YujianYao-MSFT 4,296 Reputation points Microsoft External Staff

2023-03-14T02:17:35.3833333+00:00

Hi BALASUBRAMANIAN KN

Regarding REST API, I suggest you refer to this document, you could try to customize an API in WMI demo.

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BALASUBRAMANIAN KN 45 Reputation points

2023-03-13T11:13:26.1066667+00:00

@YujianYao-MSFT Thanks for your message. Already tried working on CPPREST API by downloading its headers from NuGet Package Manager.
Tried running the code available in https://github.com/Microsoft/cpprestsdk/wiki/Getting-Started-Tutorial but getting syntax errors. Kindly check the attached image. Does this API work only with any specific version of C++? Can you just help me out resolving any errors.
YujianYao-MSFT 4,296 Reputation points Microsoft External Staff

2023-03-14T02:17:35.3833333+00:00

Hi BALASUBRAMANIAN KN

Regarding REST API, I suggest you refer to this document, you could try to customize an API in WMI demo.

Answer 1

YujianYao-MSFT 4,296 Microsoft External Staff

Hi BALASUBRAMANIAN KN,

I tested the program and got the same error as you.

My solution is as follows:

Open the project properties, click C/C++->Language->Conformance mode, set it to NO and you could run the program.

User's image

RESULT:

User's image

Best regards,

Elya

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BALASUBRAMANIAN KN 45 Reputation points

2023-03-14T06:34:39.57+00:00

When the conformance mode was changed to No, i'm getting the following errors and the console application project is not running as expected. Kindly look on to the bellow ScreenShot. Thanks in advance!

I have attached the first error detail below as text:

Severity Code Description Project File Line Suppression State

Error LNK2019 unresolved external symbol "__declspec(dllimport) class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > __cdecl utility::conversions::to_utf8string(class std::basic_string<wchar_t,struct std::char_traits<wchar_t>,class std::allocator<wchar_t> > const &)" (_imp?to_utf8string@conversions@utility@@YA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AEBV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@4@@Z) referenced in function "class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > __cdecl utility::conversions::details::print_utf8string<wchar_t [18]>(wchar_t const (&)[18])" (??$print_utf8string@$$BY0BC@_W@details@conversions@utility@@YA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AEAY0BC@$$CB_W@Z) ConsoleApplication1 C:\Users\cosgrid_work\source\repos\ConsoleApplication1\ConsoleApplication1\ConsoleApplication1.obj 1
YujianYao-MSFT 4,296 Reputation points Microsoft External Staff

2023-03-14T06:56:46.1666667+00:00

Hi BALASUBRAMANIAN KN,

I suggest you try to click on this option and set it to Current Project. Maybe there are other projects in the solution that affect its operation.
BALASUBRAMANIAN KN 45 Reputation points

2023-03-14T09:28:47.4066667+00:00

Hi @YujianYao-MSFT

Changed to Current Project, but the issue is not resolved. I have attached the SS below. Kindly review it.
YujianYao-MSFT 4,296 Reputation points Microsoft External Staff

2023-03-14T09:48:05.94+00:00

Hi BALASUBRAMANIAN KN,

Did you download this nuget package?

And you need to enter Install-Package cpprestsdk in the PM.
BALASUBRAMANIAN KN 45 Reputation points

2023-03-14T09:59:37.99+00:00

Shows the cpprestsdk package already exists
YujianYao-MSFT 4,296 Reputation points Microsoft External Staff

2023-03-15T06:31:15.68+00:00

Hi BALASUBRAMANIAN KN,

Based on the current information, I am afraid it is difficult to give an accurate solution.

If it is convenient, could you please upload your project to GitHub? This will help resolve your issue.
BALASUBRAMANIAN KN 45 Reputation points

2023-03-29T10:00:08.8733333+00:00

I have uploaded my project to GitHub can you just help me resolve my issue regarding the cpprestsdk in visual studio
GitHub link: https://github.com/Balukn11/CPPRestAPI/tree/main

Note: Just refer to the README.md file before executing the project
BALASUBRAMANIAN KN 45 Reputation points

2023-03-29T12:00:24.6666667+00:00

Resolved the error by installing cpprestsdk using vcpkg and setting the Treat WChar_t As Built in Type to Yes (/Zc:wchar_t). Now i'm able to compile and run the code without any problem.
Thanks for the Support!

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Is it possible to create C++ REST api in visual Studio?

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