IndexOf Method (ListBase<T>)

Determines the index of a specific item in the ListBase.

Syntax

Visual Basic
C#

'Declaration
 
Public Overridable Function IndexOf( _
   ByVal item As T _
) As Integer

'Usage
 
Dim instance As ListBase(Of T)
Dim item As T
Dim value As Integer
 
value = instance.IndexOf(item)

public virtual int IndexOf( 
   T item
)

Parameters

item: The item to locate in the ListBase.

Return Value

The index of item if found in the list; otherwise, -1.

Requirements

Target Platforms: Windows 11, Windows 10, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

ListBase<T> Class
ListBase<T> Members