void ValidateLicense(
	License license
)

Sub ValidateLicense ( 
	license As License
)

 using System;
 using System.Collections.Generic;
 using System.Linq;
 using QMSAPI;

class Program
{
     static void Main(string[] args)
     {
         License newLicense = new License();
         newLicense.LicenseType = LicenseType.Publisher;
         newLicense.Serial = "<A valid serial number>";
         newLicense.Control = "<A valid control number>";
         newLicense.Name = "<Some name>";
         newLicense.Corporation = "<Some corporation>";
         newLicense.LEFFile = System.IO.File.ReadAllText("<Path to LEF file>");

         try
         {
             // create a QMS API client
             IQMS apiClient = new QMSClient();

             //retrieve a time limited service key
             ServiceKeyClientMessageInspector.ServiceKey = apiClient.GetTimeLimitedServiceKey();

             apiClient.ValidateLicense( newLicense);
             Console.WriteLine("The license is valid.");
         }
         catch(ArgumentException ae)
         {
             Console.WriteLine(string.Format("The license information is not valid. The {0} parameter is empty. It must contain a valid value.", ae.ParamName));
         }
         catch(Exception e)
         {
             Console.WriteLine("An error occured when validating the license: " + e.Message);
         }
         // wait for user to press any key
         Console.ReadLine();
     }
}