Method GoToFirstItem

Common/Core/vtkCollectionIterator.cxx:45–55

------------------------------------------------------------------------------

//------------------------------------------------------------------------------
void vtkCollectionIterator::GoToFirstItem()
{
  if (this->Collection)
  {
    this->Element = this->Collection->Top;
  }
  else
  {
    this->Element = nullptr;
  }
}

//------------------------------------------------------------------------------
void vtkCollectionIterator::GoToNextItem()