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);
}
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;
}