21. Or, we can scroll  through the pages at the bottom. 22. Scroll  Month View by a week23. The length of vertical scroll  arrows 24. Action to take when scrolling  the mouse wheel on a window title bar. 25. If TRUE, scroll  arrows are added if there are too many tabs to fit 26. Whether to scroll  background image 27. The minimum height that the scrolled  window will allocate to its content 28. Number of pixels between the scrollbars and the scrolled  window 29. Enable horizontal scrolling  30. The minimum width that the scrolled  window will allocate to its content