Reorders the page containing @child, so that it appears in position @position.
If @position is greater than or equal to the number of children in the list or negative, @child will be moved to the end of the list.
the child to move
the new position, or -1 to move to the end
See Implementation
Reorders the page containing @child, so that it appears in position @position.
If @position is greater than or equal to the number of children in the list or negative, @child will be moved to the end of the list.