- ;; Apply it to default-frame-alist.
- (let ((parameter (assq 'vertical-scroll-bars default-frame-alist)))
- (if (consp parameter)
- (setcdr parameter scroll-bar-mode)
- (setq default-frame-alist
- (cons (cons 'vertical-scroll-bars scroll-bar-mode)
- default-frame-alist))))
-
- ;; Apply it to existing frames.
- (let ((frames (frame-list)))
- (while frames
- (modify-frame-parameters
- (car frames)
- (list (cons 'vertical-scroll-bars scroll-bar-mode)))
- (setq frames (cdr frames))))))
-
-(defcustom scroll-bar-mode
- (if (eq system-type 'windows-nt) 'right 'left)
- "*Specify whether to have vertical scroll bars, and on which side.
+ (modify-all-frames-parameters (list (cons 'vertical-scroll-bars
+ scroll-bar-mode)))))
+
+(defcustom scroll-bar-mode default-frame-scroll-bars
+ "Specify whether to have vertical scroll bars, and on which side.