private void DisplayAttributes(PSMClass psmClass)
        {
            if (psmClass != null)
            {
                lvPSMAttributes.ItemsSource          = psmClass.PSMAttributes;
                lvPSMAttributesInherited.ItemsSource = psmClass.GetActualPSMAttributesIncludingInherited();
                spPSMAttributes.Visibility           = System.Windows.Visibility.Visible;

                /*if (psmClass.IsStructuralRepresentative)
                 * {
                 *  lPSMAttributesSRInherited.Visibility = System.Windows.Visibility.Visible;
                 *  lvPSMAttributesSRInhereted.Visibility = System.Windows.Visibility.Visible;
                 *  lvPSMAttributesSRInhereted.ItemsSource = psmClass.GetPSMAttributesOfRepresentedClasses();
                 * }
                 * else
                 * {
                 *  lPSMAttributesSRInherited.Visibility = System.Windows.Visibility.Collapsed;
                 *  lvPSMAttributesSRInhereted.Visibility = System.Windows.Visibility.Collapsed;
                 * }*/
            }
            else
            {
                lvPSMAttributes.ItemsSource          = null;
                lvPSMAttributesInherited.ItemsSource = null;
                spPSMAttributes.Visibility           = System.Windows.Visibility.Collapsed;
            }
        }