Example #1
0
        protected bool FindPath(PathElement peTo, PathElement pePrev, PathElement pe, int nNextElementSource, ArrayList alTrainPath)
        {
            Debug.Assert(pe != null);
            TrainCourse item = new TrainCourse {
                Element       = pe,
                ElementSource = nNextElementSource
            };

            alTrainPath.Add(item);
            if (peTo == pe)
            {
                return(true);
            }
            pePrev = pe;
            PathInfo[] nextPathsThrough = pePrev.GetNextPathsThrough(nNextElementSource);
            if (nextPathsThrough != null)
            {
                foreach (PathInfo info in nextPathsThrough)
                {
                    if (info.ToElement != null)
                    {
                        int count = alTrainPath.Count;
                        if (this.FindPath(peTo, pePrev, info.ToElement, info.ToSource, alTrainPath))
                        {
                            return(true);
                        }
                        while (alTrainPath.Count > count)
                        {
                            alTrainPath.RemoveAt(alTrainPath.Count - 1);
                        }
                    }
                }
            }
            return(false);
        }
Example #2
0
 protected bool FindPath(PathElement peTo, PathElement pePrev, PathElement pe, int nNextElementSource, ArrayList alTrainPath)
 {
     Debug.Assert(pe != null);
     TrainCourse item = new TrainCourse {
         Element = pe,
         ElementSource = nNextElementSource
     };
     alTrainPath.Add(item);
     if (peTo == pe)
     {
         return true;
     }
     pePrev = pe;
     PathInfo[] nextPathsThrough = pePrev.GetNextPathsThrough(nNextElementSource);
     if (nextPathsThrough != null)
     {
         foreach (PathInfo info in nextPathsThrough)
         {
             if (info.ToElement != null)
             {
                 int count = alTrainPath.Count;
                 if (this.FindPath(peTo, pePrev, info.ToElement, info.ToSource, alTrainPath))
                 {
                     return true;
                 }
                 while (alTrainPath.Count > count)
                 {
                     alTrainPath.RemoveAt(alTrainPath.Count - 1);
                 }
             }
         }
     }
     return false;
 }