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

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

public System.int IndexOf( 
   T item
)

Parameters

item

The item for which to find the index.

Return Value

Target Platforms: Windows 7, Windows 8 Desktop, Windows Vista SP1 or later, Windows Server 2000, Windows 2000 Professional, Windows XP Professional, Windows NT 4.0 Workstation, SP6, Windows NT 4.0 Server, SP6

Reference

NotifyCollectionBase<T> Class
NotifyCollectionBase<T> Members