The DPSESSIONDESC2 structure is defined as :-

struct DPSESSIONDESC2 {
DWORD dwSize;
DWORD dwFlags;
GUID guidInstance;
GUID guidApplication;
DWORD dwMaxPlayers;
DWORD dwCurrentPlayers;
union {
LPWSTR lpszSessionName;
LPSTR lpszSessionNameA;
};
union {
LPWSTR lpszPassword;
LPSTR lpszPasswordA;
};
DWORD dwReserved1;
DWORD dwReserved2;
DWORD dwUser1;
DWORD dwUser2;
DWORD dwUser3;
DWORD dwUser4;
};