// Test.cpp : This file contains the 'main' function. Program execution begins and ends there.
//

#include <windows.h>
#include <iostream>
#include <shlwapi.h>
#include <Shlobj.h>

char* GetMachineGuid()
{
    HKEY hk;
    DWORD dwType = REG_SZ;
    static BYTE guid[0x1028];
    memset(guid, 0x00, 0x1028);
    DWORD sz = 0x1028;
    DWORD error = RegOpenKeyExW(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Microsoft\\Cryptography", 0, KEY_QUERY_VALUE | KEY_WOW64_64KEY, &hk);
    error = RegQueryValueExW(hk, L"MachineGuid", NULL, &dwType, guid, &sz);
    RegCloseKey(hk);
    return (char*)guid;
}

int main()
{
    char szPath[MAX_PATH];

    SHGetFolderPathA(NULL, CSIDL_LOCAL_APPDATA, NULL, 0, szPath);
    printf("local %s\n", szPath);
    SHGetFolderPathA(NULL, CSIDL_APPDATA, NULL, 0, szPath);
    printf("common %s\n", szPath);
    GetMachineGuid();
}

// Run program: Ctrl + F5 or Debug > Start Without Debugging menu
// Debug program: F5 or Debug > Start Debugging menu

// Tips for Getting Started: 
//   1. Use the Solution Explorer window to add/manage files
//   2. Use the Team Explorer window to connect to source control
//   3. Use the Output window to see build output and other messages
//   4. Use the Error List window to view errors
//   5. Go to Project > Add New Item to create new code files, or Project > Add Existing Item to add existing code files to the project
//   6. In the future, to open this project again, go to File > Open > Project and select the .sln file