System.Generics.Collections.TList.IndexOf

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Delphi

function IndexOf(const Value: T): Integer; inline;

C++

int __fastcall IndexOf(const T Value);

Properties

Type	Visibility	Source	Unit	Parent
function	public	System.Generics.Collections.pas System.Generics.Collections.hpp	System.Generics.Collections	TList

Description

Searches for an element using linear search.

IndexOf searches for the list element Value using a linear search. The method returns the zero-based index of the first entry equal to Value. If not found, it returns -1.

Since the search is linear, it is an O(n) operation for a list with n entries. The BinarySearch method is usually faster, but requires a sorted list.

See Also

• IndexOfItem

• BinarySearch

• Contains

• LastIndexOf

Code Examples

• Generics_Collections_TList (Delphi)