: Completely takes over a key or device, triggering a specific callback function.
For advanced users who need to turn a secondary keyboard into a dedicated macropad, this is the gold standard. However, its reliance on a kernel-level driver makes it significantly more complex and potentially unstable compared to standard AHK scripts.
(AHI) is a powerful, low-level AutoHotkey wrapper developed by evilC . It is designed to overcome a major Windows limitation: the inability to distinguish between multiple keyboards or mice. The Verdict
: Supports AHK v1 and v2, as well as mouse buttons and movement (both relative and absolute). Pros and Cons
: Unlike standard AHK, which sees "A" as "A" regardless of the source, AHI identifies the specific hardware ID of the device.
: Changes how a key behaves only when pressed on a specific device.
: It can optionally block the native Windows functionality of a key on one keyboard while leaving your main keyboard untouched. Dual Operating Modes :