Variable: scroll-bar-height

scroll-bar-height is a buffer-local variable defined in buffer.c.

Documentation

Height of this buffer's horizontal scroll bars in pixels.

A value of nil means to use the scroll bar height from the window's frame.

Probably introduced at or before Emacs version 25.1.

Source Code

// Defined in /usr/src/emacs/src/buffer.c
  DEFVAR_PER_BUFFER ("scroll-bar-height", &BVAR (current_buffer, scroll_bar_height),
		     Qintegerp,
		     doc: /* Height of this buffer's horizontal scroll bars in pixels.
A value of nil means to use the scroll bar height from the window's frame.  */);