//-------------- HELPER METHODS -----------------
//prints the current element look at in the iteration.
internal string printElement()
{
//show the current element if any
if (my_index < 0 || my_index >= my_parent.size() || my_current == null)
{
return("Current Element: null");
}
else
{
return("Current Element: " + my_current.ToString());
}
}
