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IListExtensionsIndexOfT Method

Determines the index of a specific item in the IListT.

Definition

Namespace: DevCase.Extensions.IListExtensions
Assembly: DevCase.net48 (in DevCase.net48.dll) Version: 6.0.0.0 (6.0)
XMLNS for XAML: Not mapped to an xmlns.

C#Request Example

[EditorBrowsableAttribute(EditorBrowsableState.Always)]
public static int IndexOf<T>(
	this IList<T> sender,
	Func<T, bool> predicate
)

VBRequest Example

<ExtensionAttribute>
<EditorBrowsableAttribute(EditorBrowsableState.Always)>
Public Shared Function IndexOf(Of T) ( 
	sender As IList(Of T),
	predicate As Func(Of T, Boolean)
) As Integer

Dim sender As IList(Of T)
Dim predicate As Func(Of T, Boolean)
Dim returnValue As Integer

returnValue = sender.IndexOf(predicate)

C++Request Example

public:
[ExtensionAttribute]
[EditorBrowsableAttribute(EditorBrowsableState::Always)]
generic<typename T>
static int IndexOf(
	IList<T>^ sender, 
	Func<T, bool>^ predicate
)

F#Request Example

[<ExtensionAttribute>]
[<EditorBrowsableAttribute(EditorBrowsableState.Always)>]
static member IndexOf : 
        sender : IList<'T> * 
        predicate : Func<'T, bool> -> int

ASP.NETRequest Example

No code example is currently available or this language may not be supported.

Parameters

sender IListT: The source IListT.
predicate FuncT, Boolean: A function to test each element for a condition..

Type Parameters

T: The type.

Return Value

Int32
The index of item if found in the list; otherwise, -1.

Usage Note

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