Unit BDEFlter

Description: This unit holds all the filter code. It can be changed to work with any table. Expression types can also be changed. Renamed from Filter.pas 6/7/1998 Paul Rice to avoid conflict with Graham Grieve's work. This unit is ©Copyright 1995 Borland.

Classes

Functions

AddFilter - Filter handle

METHOD: AddFilter PURPOSE: Create and activate the filter on the Biolife.
RemoveFilter - METHOD: RemoveFilter PURPOSE: Deactivate and remove the filter on the Biolife.

Types

tValues

Constants

szField1

Variables

hFilter


Functions


function AddFilter(Values: tValues; hTable: hDBICur): DBIResult;

Filter handle

METHOD: AddFilter PURPOSE: Create and activate the filter on the Biolife.DB table.


function RemoveFilter(hTbl: hDbiCur; hFltr: hDBIFilter): DBIResult;

METHOD: RemoveFilter PURPOSE: Deactivate and remove the filter on the Biolife.DB table.

Types


tValues = array[1..2] of Double;
Name of the field for the third node of the tree

Constants

szField1 = 'Species No'


Variables

hFilter : hDBIFilter