WinCC API函数：
BOOL PWGENAddUserEx (
LPCTSTR username,
LPCTSTR password,
LPCTSTR group,
int expiration_time,
BOOL copy_group_permissions,
LPCMN_ERROR error )

Des cription
This function creates a new user. Depending on the copy_group_protection parameter, the authorizations held by the group are transferred to the user created.