Tag: Legacy Technology
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Common Pitfalls in COM Components and OCX / ActiveX Development - Visual Studio 32-bit / 64-bit, Registration, and Admin-Rights Traps
A practical guide to the 32-bit / 64-bit issues, Visual Studio 2022 becoming 64-bit, regsvr32 / Regasm, admin rights, HKCR / HKCU / HKLM, and STA / MTA pitfa...
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What You Need to Know Before Reading COBOL Source Suddenly - DIVISION, PIC, COMP-3, COPY, and PERFORM First
A practical minimum reading guide for developers who suddenly need to inspect COBOL source, covering DIVISION, PIC, COMP-3, COPY, PERFORM, fixed format, and ...
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What Reg-Free COM Is - How Registration-Free COM Works, Where It Fits, and Where It Does Not
A practical introduction to registration-free COM, covering activation contexts, manifests, benefits, limits, and when it is a good fit in real Windows appli...
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What COM / ActiveX / OCX Are - A Practical Guide to the Differences and Relationships
A practical explanation of what COM, ActiveX, and OCX are, how they differ, how they relate to OLE, where they were used, and how to think about them today.