WRL Reference


This section contains reference information for the Windows Runtime C++ Template Library (WRL).


The WRL defines functionality that supports the WRL infrastructure and is not intended to be used directly from your code. Such functionality is noted in this documentation.

In This Section

Microsoft::WRL Namespace

Defines the fundamental types that make up the WRL.

Microsoft::WRL::Wrappers Namespace

Defines Resource Acquisition Is Initialization (RAII) wrapper types that simplify the lifetime management of objects, strings, and handles.

Microsoft::WRL::Wrappers::HandleTraits Namespace

Describes characteristics of common handle-based resource types.

Windows::Foundation Namespace

Enables fundamental Windows Runtime functionality, such as object and factory creation.

Related Sections

Windows Runtime C++ Template Library (WRL)

Introduces WRL, a COM-based template library that provides a low-level way to author and use Windows Runtime components.

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