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superclass: dllist<%> | ||||
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constructor
(new vertical-alignment% [parent parent] [ [show? show?] [after after]]) → (is-a?/c vertical-alignment%) parent : (is-a?/c alignment-parent<%>) show? : boolean? = #t after : (or/c (is-a?/c alignment<%>) false/c) = #f
Inserts a new vertical-alignment container into
parent—optionally after a given container also in
parent. The new container can be initially shown or hidden.