Developer Resources
Technical documentation on writing, debugging, and optimizing Windows Shell Extensions in C++ and C#.
Add Your Own “Open with VS Code” to Folder Menus
Comprehensive guide on Add Your Own “Open with VS Code” to Folder Menus. Learn how to fix, manage, and optimize your Windows Shell Extensions.
How to Build a Simple Shell Extension in C# / .NET 8+
Comprehensive guide on How to Build a Simple Shell Extension in C# / .NET 8+. Learn how to fix, manage, and optimize your Windows Shell Extensions.
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How to Build a Custom File Preview Handler for Windows Explorer (2026 Developer Tutorial)
Complete C++ tutorial on implementing the IPreviewHandler COM interface to create custom file preview panes in Windows Explorer. Covers registration, debugging, and supporting custom file types.
Debugging Shell Extensions – Avoiding Explorer Crashes
Comprehensive guide on Debugging Shell Extensions – Avoiding Explorer Crashes. Learn how to fix, manage, and optimize your Windows Shell Extensions.
Migrating Shell Extensions from Windows 10 to Windows 11: Complete Developer Guide (2026)
The definitive guide to porting legacy IContextMenu shell extensions to Windows 11's IExplorerCommand API. Covers the new context menu architecture, MSIX packaging, backward compatibility, and Win32 App Isolation.
Open-Source Shell Extension Examples on GitHub in 2026
Comprehensive guide on Open-Source Shell Extension Examples on GitHub in 2026. Learn how to fix, manage, and optimize your Windows Shell Extensions.
Why Your Shell Extension Isn’t Showing Up in Windows 11
Comprehensive guide on Why Your Shell Extension Isn’t Showing Up in Windows 11. Learn how to fix, manage, and optimize your Windows Shell Extensions.
Writing Windows Shell Extensions in C++: A 2026 Developer Guide
Learn COM, IShellExtInit, IContextMenu, and how to debug shell extensions using x64dbg and Visual Studio.