EnumerableExtensionsIndexOf(IEnumerable, Object) Method

Searches for an element in the source enumeration.

Definition

Namespace: KGySoft.CoreLibraries
Assembly: KGySoft.CoreLibraries (in KGySoft.CoreLibraries.dll) Version: 9.0.0-preview.1

C#

public static int IndexOf(
	this IEnumerable source,
	Object? element
)

VB

<ExtensionAttribute>
Public Shared Function IndexOf ( 
	source As IEnumerable,
	element As Object
) As Integer

C++

public:
[ExtensionAttribute]
static int IndexOf(
	IEnumerable^ source, 
	Object^ element
)

F#

[<ExtensionAttribute>]
static member IndexOf : 
        source : IEnumerable * 
        element : Object -> int

Int32
The index of the found element, or -1 if element was not found.

In Visual Basic and C#, you can call this method as an instance method on any object of type IEnumerable. 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).

source is .