- canvas-scroll-chars CANVAS #!optional DX DY RGNprocedure
Scroll the CANVAS RGN.
- DX
- fixnum : columns negative (left) or positive (right)
- DY
- fixnum : rows negative (up) or positive (down)
- RGN
- char-rect : canvas sub-area, default is whole canvas.
Scroll the CANVAS RGN.