/// <summary>
/// Obtains and changes the email of the registered user.
/// </summary>
/// <param name="userContext"></param>
/// <param name="newEmailAddress"></param>
public void changeEmail(UserContext userContext,
String newEmailAddress)
{
FieldInfoSingle emailAddress = (FieldInfoSingle)registerService.getEmail(userContext);
System.Console.WriteLine("\tExisting email address is: ", emailAddress.value);
System.Console.WriteLine("\tChanging email address to: ", newEmailAddress);
FieldInfoSingle newEmail = new FieldInfoSingle();
newEmail.name = "EMAIL";
newEmail.value = newEmailAddress;
newEmail.displayName = "EMAIL";
newEmail.isOptional = false;
registerService.updateEmail(userContext, newEmail);
}