vert-margin in subarea<%>
Gets or sets the area's vertical margin, which is added both to the right and left, for geometry management. See Geometry Management for more information.
(-> exact integer in [0, 1000]senda-subareavert-margin)Returns the current vertical margin.
(-> voidsenda-subareavert-marginmargin)
margin: exact integer in [0, 1000]Sets the vertical margin.