_DBUnwind( ) API Library Routine
Works like the Visual FoxPro GO BOTTOM command in the specified work area, and then returns the current record number.
long _DBUnwind(int workarea)
int workarea; /* Work area. */
Example
The following example calls _DBUnwind( ) for the table open in the current work area.
Visual FoxPro Code
SET LIBRARY TO DBUNWIND
DO CreateTest
? DBUNWIND() && returns new record #
SKIP
? EOF() && now EOF() returns .T.
PROCEDURE CreateTest
CREATE TABLE test (ABC C(20))
APPEND BLANK
REPLACE ABC WITH "This is record 1"
APPEND BLANK
REPLACE ABC WITH "This is record 2"
APPEND BLANK
REPLACE ABC WITH "This is record 3"
APPEND BLANK
REPLACE ABC WITH "This is record 4"
GO TOP
RETURN
C Code
#include <pro_ext.h>
FAR Example(ParamBlk FAR *parm)
{
_RetInt(_DBUnwind(-1), 10);
}
FoxInfo myFoxInfo[] = {
{"DBUNWIND", (FPFI) Example, 0, ""},
};
FoxTable _FoxTable = {
(FoxTable FAR *) 0, sizeof(myFoxInfo)/sizeof(FoxInfo), myFoxInfo
};
See Also
Concepts
Reference
_DBRewind( ) API Library Routine
_DBWrite( ) API Library Routine