(send an-alignment-parent get-pasteboard) → (is-a?/c pasteboard%)
The pasteboard that this alignment is being displayed to.
(send an-alignment-parent add-child child) → void? child : (is-a?/c alignment<%>)
Add the given alignment as a child after the existing child.
(send an-alignment-parent delete-child child) → void? child : (is-a?/c alignment<%>)
Deletes a child from the alignments.
True if the alignment is being shown (accounting for its parent being
shown).