get-margin

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`get-margin`

Gets the current margins for the snip. The margin sets how much space is left between the edge of the buffer's contents and the edge of the snip.

(send a-wx:media-snip get-margin l t r b) -> void
    l : boxed small integer
    t : boxed small integer
    r : boxed small integer
    b : boxed small integer
The l box is filled with left margin. The t box is filled with top margin. The r box is filled with right margin. The b box is filled with bottom margin.