Array.IndexOf Method (System)

This page is specific to

Microsoft Visual Studio 2010/.NET Framework 4

Other versions are also available for the following:

.NET Framework Class Library

Array..::.IndexOf Method

Returns the index of the first occurrence of a value in a one-dimensional Array or in a portion of the Array.

This member is overloaded. For complete information about this member, including syntax, usage, and examples, click a name in the overload list.

Overload List

	Name	Description
	IndexOf<(Of <(T>)>)(array<T>[]()[], T)	Searches for the specified object and returns the index of the first occurrence within the entire Array.
	IndexOf(Array, Object)	Searches for the specified object and returns the index of the first occurrence within the entire one-dimensional Array.
	IndexOf<(Of <(T>)>)(array<T>[]()[], T, Int32)	Searches for the specified object and returns the index of the first occurrence within the range of elements in the Array that extends from the specified index to the last element.
	IndexOf(Array, Object, Int32)	Searches for the specified object and returns the index of the first occurrence within the range of elements in the one-dimensional Array that extends from the specified index to the last element.
	IndexOf<(Of <(T>)>)(array<T>[]()[], T, Int32, Int32)	Searches for the specified object and returns the index of the first occurrence within the range of elements in the Array that starts at the specified index and contains the specified number of elements.
	IndexOf(Array, Object, Int32, Int32)	Searches for the specified object and returns the index of the first occurrence within the range of elements in the one-dimensional Array that starts at the specified index and contains the specified number of elements.