M_CodeJam_Collections_ArrayExtensions_IndexOf__1_2

ArrayExtensions.IndexOf(T) Method (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.

Namespace: CodeJam.Collections
Assembly: CodeJam (in CodeJam.dll) Version: 2.1.0.0

Syntax

C#

public static int IndexOf<T>(
	this T[] array,
	T value,
	int startIndex,
	int count
)

VB

<ExtensionAttribute>
Public Shared Function IndexOf(Of T) ( 
	array As T(),
	value As T,
	startIndex As Integer,
	count As Integer
) As Integer

F#

[<ExtensionAttribute>]
static member IndexOf : 
        array : 'T[] * 
        value : 'T * 
        startIndex : int * 
        count : int -> int 

Parameters

 

array

Type: T[]
The one-dimensional, zero-based Array to search.

value

Type: T
The object to locate in array.

startIndex

Type: System.Int32
The zero-based starting index of the search. 0 (zero) is valid in an empty array.

count

Type: System.Int32
The number of elements in the section to search.

Type Parameters

 

T

The type of the elements of the array.

Return Value

Type: Int32
The zero-based index of the first occurrence of value within the range of elements in array that starts at startIndex and contains the number of elements specified in count, if found; otherwise, –1.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type . When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).

Exceptions

 

Exception	Condition
ArgumentNullException	array is null.
ArgumentOutOfRangeException	startIndex is outside the range of valid indexes for array.-or-count is less than zero.-or-startIndex and count do not specify a valid section in array.

See Also

Reference

ArrayExtensions Class
IndexOf Overload
CodeJam.Collections Namespace