h6. [[WindowManager]] h6(. » [[WindowManager Messages|Messages]] h6((. » [[Message Codes|Message Codes]] h6(((. » Message_FilerControlAction h2. Message_FilerControlAction h5. (Code &406) |_\3<^. Message Block | |/4>^. +20|\2<^. Control | |<^. 0|Acknowledge control message| |<^. 1|Verbose on (show the action window)| |<^. 2|Verbose off (hide the action window)| h4. Use Sending this message to a [[Filer_Action]] task performs various controls. h4. Notes Control 0 can be used to see if the task is still busy. h4. See also * [[Message Codes]] * [[Wimp_Poll]]