private bool ParentExist(BiDirectionalVertex <T> root, BiDirectionalVertex <T> searchVertex)
{
if (root.IsVisited)
{
return(false);
}
root.IsVisited = true;
return(root.Equals((object)searchVertex) || root.Parents.Any <BiDirectionalVertex <T> >((Func <BiDirectionalVertex <T>, bool>)(parent => this.ParentExist(parent, searchVertex))));
}
private bool ChildExist(BiDirectionalVertex <T> root, BiDirectionalVertex <T> searchVertex)
{
if (root.IsVisited)
{
return(false);
}
root.IsVisited = true;
return(root.Equals((object)searchVertex) || root.Childs.Any <BiDirectionalVertex <T> >((Func <BiDirectionalVertex <T>, bool>)(child => this.ChildExist(child, searchVertex))));
}