Cmd_Rclgdb - Texas Instruments TI-89 Developer's Manual

586

cmd_rclgdb

Declaration: void cmd_rclgdb (EStackIndex name_idx )
Category(ies): Graphing, Variables
Description: Recall a graph database (make it the current graph database) from the
variable indexed by name_idx . This is the TI-BASIC command RclGDB.
See chapter 14. Data Types for a description of graph databases.
name_idx — Indexes the name of the graph database to recall.
Inputs:
Outputs: None
Assumptions: None
Side Effects: May cause heap compression.
Availability: On AMS 1.05 and higher.
TI-89 / TI-92 Plus
Differences: None
See Also: cmd_stogdb
Example: This example saves the current graph database, makes some changes (for
whatever reason), and then finally restores the previous graph database
from the saved one.
EStackIndex oldTop, name_idx;
oldTop = top_estack;
TRY
push_quantum( END_TAG );
if (TokenizeSymName( (BYTE *) "gdb1", 0 ) == NULL)
ER_THROW( INVALID_PATHNAME_ERROR );
name_idx = top_estack;
cmd_stogdb( name_idx );
.
.
.
/* may change some of the graphed functions or graph window information here */
.
.
.
cmd_rclgdb( name_idx );
ONERR
top_estack = oldTop;
ERD_dialog( errCode, FALSE );
return;
ENDTRY
top_estack = oldTop;
TI-89 / TI-92 Plus Developer Guide
Appendix A: System Routines — Graphing
Not for Distribution Beta Version January 26, 2001