Array.IndexOf Method (Array, Object, Int32)

ArrayIndexOf Method (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.

Namespace: System
Assembly: mscorlib (in mscorlib.dll) Version: 4.0.0.0

Syntax

Copy

public static int IndexOf(
	Array array,
	Object value,
	int startIndex
)

Parameters

array: Type: SystemArray
The one-dimensional Array to search.
value: Type: SystemObject
The object to locate in array.
startIndex: Type: SystemInt32
The starting index of the search. 0 (zero) is valid in an empty array.

Return Value

Type: Int32
The index of the first occurrence of value within the range of elements in array that extends from startIndex to the last element, if found; otherwise, the lower bound of the array minus 1.

Exceptions

Exception	Condition
ArgumentNullException	array is null.
ArgumentOutOfRangeException	startIndex is outside the range of valid indexes for array.
RankException	array is multidimensional.

Reference

Array Class

IndexOf Overload

System Namespace