public override void MarkElements(ReceiveSecurityHeaderElementManager elementManager, bool messageSecurityMode)
{
for (int i = 1; i < elementManager.Count; i++)
{
if (elementManager.GetElementCategory(i) == ReceiveSecurityHeaderElementCategory.Timestamp)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MessageSecurityException(System.ServiceModel.SR.GetString("TimestampMustOccurFirstInSecurityHeaderLayout")));
}
}
base.MarkElements(elementManager, messageSecurityMode);
}
