public void Insert(Int32 index, ControlsGroupsData value)
 {
     if (!immutable)
     {
         List.Insert(index, value);
     }
     else
     {
         throw new System.Data.ReadOnlyException();
     }
 }
 public void Add(ControlsGroupsData value)
 {
     if (!immutable)
     {
         List.Add(value);
     }
     else
     {
         throw new System.Data.ReadOnlyException();
     }
 }
 public Int32 IndexOf(ControlsGroupsData value)
 {
     return(List.IndexOf(value));
 }
 public Boolean Contains(ControlsGroupsData value)
 {
     return(List.Contains(value));
 }