LazyInitializer::EnsureInitialized<T> Method (T%, Boolean%, Object^%, Func<T>^)

.NET Framework (current version)

Initializes a target reference or value type by using a specified function if it hasn't already been initialized.

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

Syntax

public:
generic<typename T>
static T EnsureInitialized(
	T% target,
	bool% initialized,
	Object^% syncLock,
	Func<T>^ valueFactory
)

Parameters

target: Type: T%
A reference or value of type T to initialize if it hasn't already been initialized.

initialized: Type: System::Boolean%
A reference to a Boolean value that determines whether the target has already been initialized.

syncLock: Type: System::Object^%
A reference to an object used as the mutually exclusive lock for initializing target. If syncLock is null, a new object will be instantiated.

valueFactory: Type: System::Func<T>^
The function that is called to initialize the reference or value.

Return Value

Type: T

The initialized value of type T.

Type Parameters

T: The type of the reference to be initialized.

Exceptions

Exception	Condition
MemberAccessException	Permissions to access the constructor of type T were missing.
MissingMemberException	Type T does not have a default constructor.

Remarks

If intialized is specified as true, then no further initialization occurs.

Universal Windows Platform
Available since 8
.NET Framework
Available since 4.0
Portable Class Library
Supported in: portable .NET platforms
Windows Phone Silverlight
Available since 8.0
Windows Phone
Available since 8.1