C++ How to get current logged-on user name which is Microsoft Account?

Question

In Windows 10 , user can use Microsoft Account to login , i know how to get offline user name but online user name can't.

How to get correct user name while user uses the Microsoft Account to login windows by C++ ?

Thanks!!

Answer 1

You can get "internet principal name" from NetUserGetInfo(...) function. with level 24.

pseudo code is :

if(NetUserGetInfo(NULL, sAccountName, 24, (LPBYTE*)&pInfo24) == NERR_Success)
{
    sPrincipalName = pInfo24->usri24_internet_principal_name;
}