public EnhancementSelectionList()
 {
     srk              = new SystemRegistrationKey();
     Mod_Code         = string.Empty;
     enhancement_list = new List <Enhancement>();
     selection_list   = new List <Boolean>();
 }
 public ModuleSelectionList()
 {
     srk            = new SystemRegistrationKey();
     module_list    = new List <Module>();
     selection_list = new List <Boolean>();
 }