The IsLogin method returns TRUE when the string specified is a valid name string for a Microsoft® SQL Server™ 2000 login record.
object.IsLogin( LoginName )
object
Expression that evaluates to an object in the Applies To list
LoginName
String tested
HRESULT IsLogin(SQLDMO_LPCSTR szLoginName,
LPBOOL pRetVal);
TRUE if the LoginName argument is a string of valid login record name characters in a valid sequence. FALSE, otherwise.
The IsLogin method determines legality for names when adding logins to an instance of SQL Server.