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Array.IList.IndexOf Method

Determines the index of a specific item in the IList.

Namespace:  System
Assembly:  mscorlib (in mscorlib.dll)

int IList.IndexOf(
	Object value
)

Parameters

value
Type: System.Object

The object to locate in the current list.

Return Value

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

Implements

IList.IndexOf(Object)

This member is an explicit interface member implementation. It can be used only when the Array instance is cast to an IList interface.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

XNA Framework

Supported in: 3.0, 2.0, 1.0

Portable Class Library

Supported in: Portable Class Library

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8
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