Removes the items from the list , without unreferencing them. It may be useful if you want to move the items from one list to another. If end is negative, or greater than the number of children of list , it's assumed to be exactly the number of elements. If start is greater than or equal to end , nothing is done. Selects the child number item of the list .
Nothing happens if item is out of bounds.
Unselects the child number item of the list . Nothing happens if item is out of bounds. Selects the given child . Unselects the given child . Searches the children of list for the index of child .