Lazy(T) Constructor (Func(T))

Initializes a new instance of the Lazy<(Of <(T>)>) class that uses a specified initialization function.

Namespace: System
Assembly: System.Threading (in System.Threading.dll)

Syntax

Visual Basic (Declaration)
Public Sub New ( _ valueFactory As Func(Of T) _ )

C#
public Lazy( Func<T> valueFactory )

valueFactory: Type: System..::.Func<(Of <(T>)>)
The Func<(Of <(T>)>) invoked to produce the lazily-initialized value when it is needed.

An instance created with this constructor may be used concurrently from multiple threads.

Exception	Condition
System..::.ArgumentNullException	valueFactory is a null reference (Nothing in Visual Basic).