C＃低级键盘挂钩不工作

这是我的keyhooking类的代码，但它不起作用。 我想知道是否有人可以告诉我为什么？ 我正在另一个控制台应用程序中实现它。 调试消息提供正确的输出，但键盘钩子根本不捕获键。 我希望有人能告诉我原因。

namespace GlobalHooks { public class InterceptKeys { private const int WH_KEYBOARD_LL = 13; private const int WM_KEYDOWN = 0x0100; private static IntPtr _hookID = IntPtr.Zero; private static String keysHooked = String.Empty; private static LowLevelHookProc keyboardHook; public delegate IntPtr LowLevelHookProc(int nCode, Int32 wParam, IntPtr lParam); public delegate void KeyboardHandleFunction(int vkCode); public static event KeyboardHandleFunction keyHookReturn; public InterceptKeys(KeyboardHandleFunction func) { keyHookReturn = func; keyboardHook = new LowLevelHookProc(HookCallback); } public static void debug() { Console.Write("\n[Success!] _hookID: "+_hookID); Console.Write("\n[Success!] keyboardProc: "+keyboardHook.ToString()); } private IntPtr SetupHook(LowLevelHookProc keyProcess) { using (Process curProcess = Process.GetCurrentProcess()) using (ProcessModule curModule = curProcess.MainModule) { return SetWindowsHookEx(WH_KEYBOARD_LL, keyProcess, GetModuleHandle(curModule.ModuleName), 0); } } public void Hook() { _hookID = SetupHook(keyboardHook); debug(); } public void Unhook() { UnhookWindowsHookEx(_hookID); } public static void OnCallbackReturn(int nCode) { if (keyHookReturn != null) { keyHookReturn(nCode); } else { throw new Exception(); } } public static IntPtr HookCallback(int nCode, Int32 wParam, IntPtr lParam) { Console.WriteLine("Calledback"Wink; if (nCode >= 0 && wParam == WM_KEYDOWN) { int vkCode = Marshal.ReadInt32(lParam); Console.WriteLine((Keys)vkCode); OnCallbackReturn(nCode); } return CallNextHookEx((int)_hookID, nCode, wParam, lParam); } [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)] private static extern IntPtr SetWindowsHookEx(int idHook, LowLevelHookProc lpfn, IntPtr hMod, uint dwThreadId); [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)] private static extern bool UnhookWindowsHookEx(IntPtr hhk); [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)] private static extern IntPtr CallNextHookEx(int hhk, int nCode, int wParam, IntPtr lParam); [DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)] private static extern IntPtr GetModuleHandle(string lpModuleName); } } 

Answer 1

你在Main函数中调用Application.Run吗？

标准的Console线程没有消息循环，这是钩子正常工作所必需的， Application.Run负责这一点。