Share via

  • Article

SynchronizedReadOnlyCollection<T>.IList.IndexOf Method

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Determines the index of a specific item in the collection.

Namespace:  System.Collections.Generic
Assembly:  System.ServiceModel (in System.ServiceModel.dll)

Syntax

'Declaration
Private Function IndexOf ( _
    value As Object _
) As Integer Implements IList.IndexOf

int IList.IndexOf(
    Object value
)

Parameters

  • value
    Type: System.Object
    The element whose index is being retrieved.

Return Value

Type: System.Int32
The index of value if found in the list; otherwise, -1.

Implements

IList.IndexOf(Object)

Remarks

The index returned is zero-based and refers to the first occurrence of the value in the collection.

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Windows Phone OS 7.0

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.