CODE Magazine / Articles
Visual Basic 6 (and older)
Articles filed under Visual Basic 6 (and older)
Articles
Showing 1–4 of 4
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Prepare Visual Basic for Conversion to C#
Updated
There’s nothing wrong with coding in VB, but to stay contemporary, you need to get coding in C#. Paul shows you how to convert legacy VB files to C# without re-inventing the wheel.
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Ask the Doc Detective
Doc Detective Sept/Oct 2005
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Building a 21st Century Application
Markus Egger presents a blueprint for building a 21st‑century distributed application by integrating COM+ components, Queued Components, COM+ Security, XML/XMLHTTP access to SQL Server 2000, and BizTalk Server 2000. He walks through designing a vendor-order system with a secure, flexible business object that can operate in disconnected, offline, or online modes and expose multiple interfaces (rich client, web, and potential Web Services). The article emphasizes loose coupling, event-driven extensibility, and practical deployment considerations (COM+ catalogs, queued processing, templates, and BizTalk routing) as a path to 100% available, adaptable enterprise software.
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Loosely Coupled Events With COM
Markus Egger introduces the COM+ Event Service as a flexible, loosely coupled alternative to traditional COM events, enabling publishers and subscribers to be linked administratively rather than by compile-time code. He explains how events (business events) can be published without subscribers needing to be running, thanks to COM+ subscriptions and on-demand instantiation, and shows how event filtering enhances scalability and relevance. Through a humorous VB example (wife/husband), he demonstrates setup, binding, and practical benefits, and gestures toward queued events as a future enhancement.