---
description: "Learn more about: Data Types Classes"
title: "Data Types Classes (ATL)"
ms.date: "11/04/2016"
ms.topic: "reference"
helpviewer_keywords: ["data types classes [C++]", "data types [C++], classes"]
ms.assetid: 29882bab-9174-4dfa-8227-ccfeba80b865
---
# Data Types Classes

The following classes wrap C++ data types:

- [CComBSTR](../atl/reference/ccombstr-class.md) Wraps the `BSTR` data type.

- [CComVariant](../atl/reference/ccomvariant-class.md) Wraps the `VARIANT` data type.

- [CComCurrency](../atl/reference/ccomcurrency-class.md) Includes methods and operators for creating and managing a `CURRENCY` object.

## See also

[Class Overview](../atl/atl-class-overview.md)