Unit 'DB' Package
[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] [#fcl]

TLookupList.ValueOfKey

Look up value based on a key.

Declaration

Source position: db.pas line 282

public function TLookupList.ValueOfKey(

  const AKey: Variant

):Variant;

Arguments

AKey

  

Key to find associated value for.

Function result

Resulting value or Null.

Description

ValueOfKey does a value lookup based on a key: it returns the value in the list that matches the AKey key. If none is found, Null is returned. This mechanism is quite slow, as a linear search is performed.

See also

TLookupList.FirstKeyByValue

  

Find the first key that matches a value.

TLookupList.Add

  

Add a key, value pair to the list.


Documentation generated on: Oct 27 2024