package com.mercury.platform.shared; import com.sun.jna.platform.win32.Kernel32; import com.sun.jna.platform.win32.User32; import com.sun.jna.platform.win32.WinDef.HINSTANCE; import com.sun.jna.platform.win32.WinDef.LPARAM; import com.sun.jna.platform.win32.WinDef.LRESULT; import com.sun.jna.platform.win32.WinDef.WPARAM; import com.sun.jna.platform.win32.WinUser.HOOKPROC; public class MainTestKeyHook { public static void main(String[] args) throws Exception { HOOKPROC hookProc = new HOOKPROC_bg(); HINSTANCE hInst = Kernel32.INSTANCE.GetModuleHandle(null); User32.HHOOK hHook = User32.INSTANCE.SetWindowsHookEx(User32.WH_KEYBOARD_LL, hookProc, hInst, 0); if (hHook == null) return; User32.MSG msg = new User32.MSG(); System.err.println("Please press any key ...."); while (true) { User32.INSTANCE.GetMessage(msg, null, 0, 0); } } } class HOOKPROC_bg implements HOOKPROC { public HOOKPROC_bg() { } public LRESULT callback(int nCode, WPARAM wParam, LPARAM lParam) { System.err.println("callback bbbnhkilhjkibh nCode: " + nCode); return new LRESULT(0); } }