Detect Windows Architecture [C++] CString.GetEnvironmentVariable

// C++

#include <iostream>

#include <cstdlib>

#include <atlstr.h> // for CString

using namespace std;

int _tmain(int argc, TCHAR *argv[])

{

CString myArchitecture;

if (myArchitecture.GetEnvironmentVariable(_T("PROCESSOR_ARCHITECTURE")) != 0)

cout << _T("PROCESSOR_ARCHITECTURE : ") << (LPCTSTR)myArchitecture << endl;

if (myArchitecture.GetEnvironmentVariable(_T("PROCESSOR_ARCHITEW6432")) != 0)

cout << _T("PROCESSOR_ARCHITEW6432 : ") << (LPCTSTR)myArchitecture << endl;

return EXIT_SUCCESS;

}

/* Output

PROCESSOR_ARCHITECTURE : x86

PROCESSOR_ARCHITEW6432 : AMD64

*/