method page_size : int
Viewable size
method set_page_size : int -> unit
Set viewable size
method document_size : int
Document size
method set_document_size : int -> unit
Set document size
method page_next : int
Offset of next page
method page_prev : int
Offset of previous page
method calculate_range : int -> int -> int
calculate_range page_size document_size returns the range used by the scrollbar.
calculate_range page_size document_size