[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] Reference for unit 'DB' (#fcl)

TLookupList

[Properties (by Name)] [Methods (by Name)] [Events (by Name)]

Class to manage lookup list values

Declaration

Source position: db.pas line 253

type TLookupList = class(TObject)

public

  constructor Create;

  

Create a new instance of TLookupList.

  destructor Destroy; override;

  

Free a TLookupList instance from memory

  procedure Add();

  

Add a key, value pair to the list

  procedure Clear;

  

Remove all key, value pairs from the list

  function FirstKeyByValue();

  

Find the first key that matches a value

  function ValueOfKey();

  

Look up value based on a key

  procedure ValuesToStrings();

  

Convert values to stringlist

end;

Inheritance

TLookupList

  

Class to manage lookup list values

|

TObject

Description

TLookupList is a list object used for storing values of lookup operations by lookup fields. There should be no need to create an instance of TLookupList manually, the TField instance will create an instance of TlookupList on demand.

See also

TField.LookupCache

  

Should lookup values be cached


Documentation generated on: Jun 22 2020