Merci pour votre réponse.
J'ai essayé avec List Box mais je ne sais pas où l'intégrer dans le script
 
Names Default To Here(1);
Clear Log();
folder_of_interest = Convert File Path("$SAMPLE_IMAGES");
filenames = Files In Directory(folder_of_interest);
dt = Open("$SAMPLE_DATA/Big Class.jmp");
swap_img = Expr(
	frame = Report(gb)[FrameBox(1)];
	Try(
		cur_img = frame << FindSeg(PictSeg(1));
		cur_img << Remove;
	);
	img = New Image(folder_of_interest || cur_file);
	frame << Add Image(
		Image(img),
		bounds(top(90), Left(10), bottom(10), Right(90))
	);
);
nw = new window("",
	H List Box(
		rb = Radio Box(filenames, << Set Function(function({this},
			cur_file = (this << get selected);
			swap_img;
		))),
		gb = dt << Graph Builder(
			Size(528, 456),
			Show Control Panel(0),
			Variables(X(:weight), Y(:height)),
			Elements(Points(X, Y, Legend(3)))
		);		
	)
);