---
UID: NA:comcat
ms.assetid: 65650daf-ed77-35e1-bc89-cd88d0ca1d64
ms.date: 01/11/2019
ms.keywords: 
ms.topic: conceptual
tech.root: com
---

# Comcat.h header


## -description


This header is used by Component Object Model (COM). For more information, see:

- [Component Object Model (COM)](../_com/index.md)

