internal void setDBTag(int _station, int _address, short _datatype, object _value)
 {
     lock ( lockobject )
     {
         int curIdx = allCreatedTags.IndexOfKey(HashIndex(_station, _address, _datatype));
         if (curIdx < 0)
         {
             allCreatedTags.Add
                 (HashIndex(_station, _address, _datatype),
                 _value
                 );
         }
         else
         {
             allCreatedTags.SetByIndex(curIdx, _value);
         }
     }
 }