[Overview][Types][Classes][Procedures and functions] Reference for unit 'contnrs' (#fcl)

TClassList.Extract

Extract a class pointer from the list.

Declaration

Source position: contnrs.pp line 120

public function TClassList.Extract(

  Item: TClass

):TClass;

Arguments

Item

  

Class pointer to extract from the list

Function result

The extracted class pointer or Nil if none was found.

Description

Extractextracts a class pointer Itemfrom the list, if it is present in the list. It returns the extracted class pointer, or Nilif the class pointer was not present in the list. It simply overrides the implementation in TListso it accepts a class pointer instead of a simple pointer. No new behaviour is introduced.

Errors

None.

See also

TClassList.Remove

  

Remove a class pointer from the list.

#rtl.classes.Tlist.Extract