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Platform::IBox Interface

The Platform::IBox interface is the C++ name for the Windows::Foundation::IReference interface.

Syntax

template <typename T>
interface class IBox

Parameters

T
The type of the boxed value.

Remarks

The IBox<T> interface is primarily used internally to represent nullable value types, as described in Value classes and structs (C++/CX). The interface is also used to box value types that are passed to C++ methods that take parameters of type Object^. You can explicitly declare an input parameter as IBox<SomeValueType>. For an example, see Boxing.

Requirements

Members

The Platform::IBox interface inherits from the Platform::IValueType interface. IBox has these members:

Properties

Method Description
Value Returns the unboxed value that was previously stored in this IBox instance.

IBox::Value Property

Returns the value that was originally stored in this object.

Syntax

property T Value {T get();}

Parameters

T
The type of the boxed value.

Property Value/Return Value

Returns the value that was originally stored in this object.

Remarks

For an example, see Boxing.

See also

Platform namespace