active-child

Returns or changes the currently displayed or active child.

• (send a-mred:single-panel active-child child) -> void
      child : an instance of a child

  Makes child the currently displayed child. Does not ensure that child is a member of the children list of the panel.

  
  

• (send a-mred:single-panel active-child) -> an instance of a child

  Returns the currently active child.