public static PMUser LookupUser(
	string userName,
	string domainName
)

try
{
    PMUser user = PMUser.LookupUser("Administrator", "domain.local");

    Console.WriteLine("User Name                : " + user.UserName);
    Console.WriteLine("UserID                   : " + user.DatabaseID);
    Console.WriteLine("Full Name                : " + user.FullName);
    Console.WriteLine("Domain Name              : " + user.DomainName);


    //See if user's default balance is set to unlimited printing balance, turn this off
    if (user.Balance.Unlimited)
    {
        user.Balance.SetUnlimited(false);
    }

    //Grant user a quota of $10.00
    user.Balance.SetBalance(10.0);




    //Restriction user from printing color
    user.ColorRestriction.Enable();


    //Restriction user from printing more than 10 pages with a custom message and action
    user.PageCountRestriction.Enable(10, //Max Pages allowed

                                    new PMAction("New employees may only print 10 pages at a time",    //Custom message
                                        PMAction.ActionType.Delete,                                    //Delete job if met
                                        true,                                                          //Send user an email
                                        true                                                           //Send user a popup
                                        ));


    //Check current status
    Console.WriteLine("User {0} has a default balance of {1} and {2} restrictions enabled.",user.UserName, 

    //Check if balance is unlimited, or has an quota
    user.Balance.Unlimited ? "Unlimited" : user.Balance.Currency.ToString("C"), 

    //count enabled restrictions
    user.Restrictions.Count(res => res.Enabled));
}

//Error handling - See PM90SettingsAPI.Exceptions
catch (PMDatabaseConnectionNotFoundException)
{
    Console.WriteLine("No Print Manager Plus database connection exists on this system.");
}
catch(PMServiceUnreachableException)
{
    Console.WriteLine("The PMTracking service is not running, or is unreachable.");
}
catch (PMObjectNoFoundException)
{
    Console.WriteLine("The user could not be found or looked up successfully.");
}
catch (PMException ex)
{
    //other exceptions
    Console.WriteLine("API Error: " + ex.Message + ex.InnerException != null ? (", The inner exception message is: " + ex.InnerException.Message) : "");
}