Winscrollh - Texas Instruments TI-89 Developer's Manual

1190

WinScrollH

Declaration: void WinScrollH (WINDOW * w , const WIN_RECT * wRegion ,
SWORD numCols )
Category(ies): Windows
Description: Scroll a region of a window horizontally. Blank areas are filled with the
current background for the window. If numCols < 0 then scroll right
otherwise scroll left. Note that if the region to be scrolled starts on a byte
boundary (left-most pixel), then the region will scroll much faster.
Inputs: w
wRegion — WINDOW region to scroll.
numCols — Number of columns to scroll (negative scrolls right, positive
Outputs: None
Assumptions: Background set with WinBackground.
None
Side Effects:
Availability: All versions of the TI-89 / TI-92 Plus.
TI-89 / TI-92 Plus
Differences: None
See Also: WinBackground, WinScrollV
TI-89 / TI-92 Plus Developer Guide
Appendix A: System Routines — Windows
— WINDOW struct of a previously opened window.
left).
(continued)
Not for Distribution Beta Version January 26, 2001