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What Are COM / ActiveX / OCX? - The Differences and Relationships Explained (archived 2026-07-27)

Year: 2026

Type: article

Abstract: A practical guide to what COM is, what ActiveX is, and what OCX is - covering their differences and relationships, the connection to OLE, where they are used, and how to think about them today. Archived version of https://comcomponent.com/en/blog/2026/03/13/000-what-is-com-activex-ocx/, as published on 2026-07-27. The live article is maintained and may change after this date. First published 2026-03-13.

Source: Zenodo (CERN European Organization for Nuclear Research)

DOI: 10.5281/zenodo.21614486

Author: Komura, Go

Language: English

Topic: Engineering and Information Technology

Subfield: Software

Field: Computer Science

Domain: Physical Sciences

Open Access status: green

OpenAlex ID: W7171406150

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