Texas Instruments TI-89 Developer's Guide

584
Appendix A: System Routines — Graphing
TI
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89 / TI
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92 Plus Developer Guide
Not for Distribution
Beta Version January 26, 2001
cmd_clrdraw
Declaration:
void
cmd_clrdraw
(void)
Category(ies):
Graphing
Description:
Causes the graph screen to be regraphed the next time the Graph
application is displayed. All drawn objects will be erased. This is the
TI
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BASIC command ClrDraw.
Inputs:
None
Outputs:
None
Assumptions:
None
Side Effects:
The next time the graph screen is displayed, the entire graph will be
redrawn, which may cause errors to be thrown or heap compression.
Availability:
On AMS 1.05 and higher.
TI
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89 / TI
-
92 Plus
Differences:
None
See Also: cmd_clrgraph, GT_Regraph_if_neccy
Example:
cmd_clrdraw(); /* set flags to cause regraph */
if (EV_currentApp == EV_getAppID("TIGRAPH"))
GT_Regraph_if_neccy(); /* if graph is active window, regraph now */

Texas Instruments TI-89 Specifications

General

Display size (HxV)	100 x 160 mm
Memory type	639K FLASH ROM, 188K bytes RAM
Compatible operating systems	Operating System 2.09
Battery type	AAA