on-default-action

Called when the user initiates the default action for a panel or dialog box, for example by double clicking on a list box. The argument is the panel item which caused the default action.

• (send a-mred:panel on-default-action item) -> void
      item : a wx:item% object

  This method calls the on-default-action of the item that was defaultly acted on. Do not override it. Instead, override on-default-action in the item directly.