Toggle visible status of frame.
active = lm_frameonoff(option, resize, obj)
option: (optional)
string, possible values:
- 'toggle' (default)
- 'on'
- 'off'
resize: (optional)
boolean, true ==> call resize function immediately (default)
false ==> suspend resize function
obj: (optional)
handle of the calling object (button or other graphics object)
active:
<boolean>