Unit 'BufDataset' Package
[Overview][Types][Classes][Procedures and functions][Index] [#fcl]

TCompareFunc

Function used to compare values to determine their relative sort order.

Declaration

Source position: bufdataset.pas line 108

type TCompareFunc = function(

  subValue: pointer;

  aValue: pointer;

  size: Integer;

  options: TLocateOptions

):Int64;

Arguments

subValue

  

Pointer to a compared value.

aValue

  

Pointer to a compared value.

size

  

Number of bytes included in the comparison.

options

  

Locate options to use in the routine.

Function result

Relative order for the compared pointer values.

Description

TCompareFunc is an Int64 function type used to compare pointers using the specified locate option values. TCompareFunc is used in the implementation of the TDBCompareRec type.

See also

TDBCompareRec

  

Implements a structure used to compare values for a group of fields in TBufDataset.


Documentation generated on: Jul 24 2023