独立的键盘钩子，用来hook键盘的一个小程序，很值得看看

/* kbhook.cpp */ //#define _WIN32_WINNT 0400 #define _WIN32_WINNT 05000 #define STRICT #define WIN32_LEAN_AND_MEAN #include <stdio.h> #include <stdlib.h> #include <windows.h> #include<iostream> using namespace std; DWORD g_main_tid = 0; HHOOK g_kb_hook = 0; BOOL CALLBACK con_handler (DWORD) { //向当前应用程序，也就是控制台派发消息 //PostThreadMessage (g_main_tid, WM_ERASEBKGND, 0, 0); return TRUE; }; LRESULT CALLBACK kb_proc (int code, WPARAM w, LPARAM l) { PKBDLLHOOKSTRUCT pkb = (PKBDLLHOOKSTRUCT)l; const char *info = NULL; if(pkb->vkCode == 0x41){ cout<<"current hook is \'r\'"<<endl; }else{ if(w == WM_KEYFIRST) cout<<"WM_KEYFIRST"<<endl; } return ::CallNextHookEx(g_kb_hook,code, w, l); /* //---------当钩子捕获到信息之后对其进行处理的核心程序------------ PKBDLLHOOKSTRUCT p = (PKBDLLHOOKSTRUCT)l; const char *info = NULL; if (w == WM_KEYDOWN) info = "key dn"; else if (w == WM_KEYUP) info = "key up"; else if (w == WM_SYSKEYDOWN) info = "sys key dn"; else if (w == WM_SYSKEYUP) info = "sys key up"; printf ("%s - vkCode [%04x], scanCode [%04x]\n", info, p->vkCode, p->scanCode); // always call next hook return CallNextHookEx (g_kb_hook, code, w, l); */ }; int main (void) { HWND hWnd; LPCSTR lpStr = "MyConsoleHook"; LPCSTR lpNop = "NOTEPAD"; //设置控制台的控制句柄，如果Add为TRUE的话 忽略Crtl +c的中断 //可以不需要对控制台的句柄消息派发进行设置 //g_main_tid = GetCurrentThreadId (); //SetConsoleCtrlHandler (&con_handler, TRUE); //::SetConsoleCtrlHandler(&con_handler, false); ::SetConsoleTitle(lpStr); //::SetCapture(g_main_tid); g_kb_hook = SetWindowsHookEx ( /*----------参数说明当前hook的是键盘而不是鼠标----------*/ WH_KEYBOARD_LL, //#define WH_KEYBOARD_LL 13 //#define WH_MOUSE_LL 14 /*----------HOOK到了之后对该对象的处理--------------*/ &kb_proc, /*-------------Module的实例句柄-------------*/ GetModuleHandle (NULL), //　不能为NULL，否则失败,因为是全局的故参数是NULL /*-------------dw 线程的ID号----------------*/ 0); if (g_kb_hook == NULL) { fprintf (stderr, //strerr defined in stdio.h "SetWindowsHookEx failed with error %d\n", ::GetLastError ()); return 0; }; // 消息循环是必须的，想知道原因可以查msdn MSG msg; /* HWND hWnd_Nop; hWnd_Nop = ::FindWindow(NULL,"NOTEPAD"); */ while (GetMessage (&msg, NULL, 0, 0)) { TranslateMessage (&msg); DispatchMessage (&msg); }; UnhookWindowsHookEx (g_kb_hook); return 0; };