Support Functions > Bt

Purpose

Create Index for open Btrieve File

Prototype

FUNCTION Bt_CreateIndex ( hFile AS PTR, uFields AS USUAL, uIndex AS USUAL, nKey := 0xFF AS BYTE ) AS LOGIC PASCAL

Argument(s)

<hFile>

Handle for an already open Btrieve File

Structure of the file

Segment information for new index

<nKey>

(Optional) Index Number to assign to index

Description

With the Bt_CreateIndex function you can create a new index for an already open btrieve File.

The uFields parameter must have the same format as the uFields parameter of the Bt_Create function

The uIndex parameter must also have the same format as the uIndexes parameter of the Bt_Create function, with the exception that only one index can be created at the same time. This index however may consist of multiple segments.