nmpDialogClickReceive (Functionblock)

The function block returns the ID of a clicked button from a dialog on an NMP.

Note that the ID is only valid after an "NMP Dialog Click" event is raised; the event will be removed when this function block is called.  

Input:

None.

Output:

id : INT

The ID of the clicked button.

ready : BOOL

Declaration:

FUNCTION_BLOCK nmpDialogClickReceive;
VAR_OUTPUT
   id    : INT;
   ready : BOOL;
END_VAR;

Example:

INCLUDE rtcu.inc
 
VAR
   dialogClick : nmpDialogClickReceive;
END_VAR;
 
FUNCTION DialogClicked;
   dialogClick();
   IF dialogClick.ready THEN
      DebugMsg(message := "*** Dialog Clicked ***");
      DebugFmt(message := "-button=\1", v1 := dialogClick.id);
 
   END_IF;
END_FUNCTION;
 
THREAD_BLOCK navMonitor;
VAR
   event : INT := 0;
END_VAR;
 
WHILE event <> -1 DO
   event := navWaitEvent(timeout := -1);
   CASE event OF
      ...
      12: DialogClicked();
      ...
   END_CASE;
END_WHILE;
END_THREAD_BLOCK;