_DBUnwind( ) API Library Routine Example
The following example calls _DBUnwind( ) for the table open in the current work area.
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
#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
};