IndexOf Method (CollectionBase<T>)

Gets the index in the collection of the specified T, if it exists in the collection.

Syntax

Visual Basic
C#

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

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

public int IndexOf( 
   T value
)

Parameters

value: The T to locate in the collection.

Return Value

The index in the collection of the specified object, if found; otherwise, -1.

Requirements

Target Platforms: Windows 2000 Professional (SP4), Windows 2000 Server, Windows 2003 Server (SP1), Windows Server 2012 R2, Windows 2008, Windows XP (SP2), Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10

Reference

CollectionBase<T> Class
CollectionBase<T> Members