Blog
Practical articles from KomuraSoft LLC about website development, SEO, Google Ads, Windows development, legacy asset reuse, and bug investigation.
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A Guide to Windows NIC Advanced Settings - RSS/LSO/EEE/Wake on LAN
A practical guide to Windows NIC advanced settings. What actually changes when you adjust Jumbo Packet, Speed & Duplex, RSS, RSC, LSO, Flow Control, EEE, Wak...
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Extracting a Still Image from an MP4 at a Specific Time with Media Foundation
How to grab the frame closest to a given time in an MP4 with the Source Reader, fix up stride and the RGB32 alpha byte, and save it as a PNG.
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A Minimum Security Checklist for Windows App Development
A checklist-style guide to the security basics for WPF / WinForms / WinUI / C++ / C# business apps: privileges, signing, updates, secrets, HTTPS, input valid...
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What Is the .NET Generic Host? - The Foundation for DI, Configuration, and Logging
The .NET Generic Host in plain terms: one place for DI, config, logging, BackgroundService, and graceful shutdown. Minimal console example included.
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What Is .NET Native AOT? - How It Differs from JIT and Trimming
How .NET Native AOT differs from JIT, ReadyToRun, and trimming, what you gain in startup and deployment, and where reflection-heavy code breaks.
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What Are COM / ActiveX / OCX? - The Differences and Relationships Explained
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...
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Choosing Between .NET's Three Timers - PeriodicTimer/Timer/DispatcherTimer
Which .NET timer should you use? PeriodicTimer for async loops, Timer for ThreadPool callbacks, DispatcherTimer for WPF UI, plus a decision table and code.
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Calling a C# Native AOT DLL from C/C++
Export C entry points from C# with Native AOT and UnmanagedCallersOnly and call them from C/C++ - project setup, string handling, and a working sample.
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Why Use the .NET Generic Host and BackgroundService in Desktop Apps
How to use the Generic Host and BackgroundService to organize startup, periodic processing, shutdown, logging, configuration, and DI in Windows tools and res...
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How to Handle ActiveX / OCX Today - A Keep / Wrap / Replace Decision Table
When you find ActiveX / OCX, how to choose between keeping, wrapping, and replacing it, covering 32-bit / 64-bit, registration, browser dependencies, and ven...