Writes to disk the current record in the specified work area and updates all affected indexes.
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int _DBWrite(int workarea)
int workarea; /* Work area. */ |
Remarks
Example
The following example carries out a _DBReplace( ) using the two calling parameters, one a table field passed by reference, the other a value of the appropriate type. It executes a LIST NEXT 1 Visual FoxPro command before and after a call to _DBWrite( ).
Visual FoxPro Code
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SET LIBRARY TO DBWRITE
DO CreateTest
GO 3
=DBWRITE( @ABC, "Replacement Record 1")
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
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|---|
#include <pro_ext.h>
FAR Example(ParamBlk FAR *parm)
{
int RetValue;
if (RetValue = _DBReplace(&parm->p[0].loc, &parm->p[1].val)) {
_UserError("\n_DBReplace() failed");
}
if (RetValue = _DBWrite(-1)) {
_Error(-RetValue);
}
_Execute("LIST NEXT 1");
}
FoxInfo myFoxInfo[] = {
{"DBWRITE", (FPFI) Example, 2, "R,?"},
};
FoxTable _FoxTable = {
(FoxTable FAR *) 0, sizeof(myFoxInfo)/sizeof(FoxInfo), myFoxInfo
}; |
See Also