SharpHook is a highly efficient, cross-platform C# library that enables global keyboard and mouse hooks, event simulation, and text entry simulation for .NET applications. It serves as a modern .NET wrapper around libuiohook, a native C library.
Historically, building background macros, hotkey systems, or RPA (Robotic Process Automation) software in .NET meant dealing with Windows-only APIs (like SetWindowsHookEx). SharpHook completely removes this platform barrier, allowing developers to capture and simulate OS-level inputs seamlessly across Windows, macOS, and Linux using a single codebase. Key Features for Desktop Automation
Global Input Hooking: Intercepts keyboard actions (KeyDown, KeyUp) and mouse movements (clicks, drags, scroll wheel data) even when your application is running quietly in the background.
Input Simulation: Simulates exact user behavior programmatically by calling EventSimulator to programmatically fire keystrokes and pointer movement.
Layout-Independent Text Entry: Features a SimulateTextEntry method that allows your automation scripts to input full UTF-16 text strings (including complex symbols and emojis) safely without depending on the host machine’s active keyboard layout.
Event Suppression: Gives you the power to intercept a keystroke or mouse click and block it from reaching the operating system or other active windows (supported on Windows and macOS). Architectural Models: Choosing Your Hook
When building high-volume automation or macro bots, choosing the right threading framework is critical to prevent system UI lagging or freezing. SharpHook provides three main global hook choices through IGlobalHook implementations: SharpHook provides a cross-platform global … – GitHub
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