public SubStation GetSubStation(ObjectId id)
 {
     if (SubStations.ContainsKey(id))
     {
         return(SubStations[id]);
     }
     return(null);
 }
 /// <summary>
 /// 将要删除解决方案内的元素
 /// 包括管道、管道结头、热源、热力站
 /// </summary>
 /// <param name="id"></param>
 public void TryDeleteObjectInSolution(ObjectId id)
 {
     if (HeatProducers.ContainsKey(id))
     {
         HeatProducers.Remove(id);
         return;
     }
     if (SubStations.ContainsKey(id))
     {
         SubStations.Remove(id);
         return;
     }
     if (!WillDeletePipeLine(id))
     {
         if (!WillDeleteSimpleJoints(id))
         {
             WillDeleteMultiJoints(id);
         }
     }
 }