1. Enable /ZW

 

2. Disable /Gm

 

3. #using C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcpackages;C:\Program Files (x86)\Windows Kits\10\UnionMetadata

 

4. source code

// hellort.cpp : Defines the entry point for the console application.//#include "stdafx.h"#include 
     
      int main(Platform::Array
      
       ^ args){    std::wcout << L"hellort:"<
       
        get(0)->Data()  << std::endl;    return 0;}