Function: lm_exitbutton

CALL:

h = lm_exitbutton(hparent, BACKG, callback, btn)

DESCRIPTION:

Add exit button to frame. By default this button is placed in the upper right corner of a frame.

INPUT:

hparent any
handle van parent frame
BACKG any
color for transparant part of button
callback any
additional function to call when frame is closed
btn any
cdata

OUTPUT:

h any
handle van button

EXAMPLE:

      positioneer button rechts onder
      h=lm_exitbutton(hparent)
  				h=lm_exitbutton(h_hlp)
  				setappdata(h,'normpos',[ 1 1 0 0]);
  				setappdata(h,'pixelpos',[-14 -14 12 12]);
      For demo see: test_lm_exitbutton
 
  SEE ALSO: lm_exittext, lm_frameonoff