WinHighlightSync 🎨

A lightweight C# utility that automatically synchronizes the Windows 11 selection (highlight) color with the system's current accent color. Perfect for Wallpaper Engine users who want a perfectly matching UI experience.

🌟 Features

• Real-time Sync: Monitors accent color changes and updates the system highlight color instantly.
• Low Footprint: Uses less than 0.1% CPU by utilizing event polling and WinAPI.
• Zero Configuration: Automatically detects the theme and applies changes.
• Auto-start: Includes a built-in feature to run on system boot.

🛠 How it Works

Windows 11 often keeps the classic "blue" selection color even when the system accent color changes. This tool bridges that gap by:

1. Monitoring the AccentColor value in the Windows Registry (HKCU\Software\Microsoft\Windows\DWM).
2. Updating the Hilight and HotTrackingColor registry keys.
3. Forcing an instant UI update using WinAPI functions: SetSysColors and SendMessageTimeout.

📸 Visuals

Before/After:

Real-time usage:

🚀 Installation

1. Go to the [Releases] page.
2. Download the WinHighlightSync.exe.
3. Run the application. It will automatically add itself to the startup and run in the background.

🏗 Requirements

• Windows 11
• .NET 9 Runtime (The Release version is self-contained and doesn't require separate installation).

📄 License

This project is licensed under the MIT License.