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-wx:panel on-default-action item) -> void
      item : wx:item% object

  Retrieves the default button for the panel, and sends it a command event (as if the user had clicked on the button).