/// <summary>
 /// Constructor
 /// </summary>
 /// <param name="IDList">An IDList structure</param>
 public VistaAndAboveIDListDataBlock(IDList IDList) : base()
 {
     this.IDList = IDList;
 }
 /// <summary>
 /// Constructor
 /// </summary>
 public VistaAndAboveIDListDataBlock() : base()
 {
     IDList = new IDList();
 }