border

Gets or sets the border margin for the container in pixels. This margin is used as an inset into the panel's client area before the locations and sizes of the subareas are computed.

• (send an-area-container border) -> exact integer in [0, 1000]

  Returns the current border margin.

  
  

• (send an-area-container border margin) -> void
      margin : exact integer in [0, 1000]

  Sets the border margin.