CE 6 滑鼠鉤子(HOOK)

// MouseHook.h #ifdef MOUSEHOOK_EXPORTS#define MOUSEHOOK_API __declspec(dllexport)#else#define MOUSEHOOK_API __declspec(dllimport)#endifextern "C" MOUSEHOOK_API void CALLBACK InstallMouseHook(void);extern "C" MOUSEHOOK_API void CALLBACK UnMouseHook(void);extern "C" MOUSEHOOK_API LRESULT CALLBACK MouseHookProc(int nCode, WPARAM wParam, LPARAM lParam);// MouseHook.cpp // MouseHook.cpp : Defines the entry point for the DLL application.//#include "stdafx.h"#include "MouseHook.h"#include <Pwinuser.h>// 告訴編譯器將變數放入它自己的資料共用節中#pragma data_seg("MouseHookData")HINSTANCE ghInst = NULL;HHOOK ghMouseHook = NULL;#pragma data_seg()// 告訴編譯器設定共用節的訪問方式為：讀，寫，共用#pragma comment(linker, "/SECTION:MouseHookData,RWS")BOOL APIENTRY DllMain(HANDLE hModule,DWORD  ul_reason_for_call,LPVOID lpReserved){  switch(ul_reason_for_call)  {  case DLL_PROCESS_ATTACH:    ghInst = (HINSTANCE)hModule;    break;  case DLL_THREAD_ATTACH:  case DLL_THREAD_DETACH:  case DLL_PROCESS_DETACH:    break;  }    return TRUE;}extern "C" MOUSEHOOK_API void InstallMouseHook(void){  RETAILMSG(1,(L"[Mouse HOOK]Install HOOK: 0x%x\r\n",ghInst));  if(ghInst)  {    ghMouseHook = SetWindowsHookEx(WH_MOUSE_LL, MouseHookProc, ghInst, 0);    if(NULL == ghMouseHook)    {      RETAILMSG(1,(L"[Mouse HOOK]HOOK create failed: %d\r\n",GetLastError()));    }  }}extern "C" MOUSEHOOK_API void UnMouseHook(void){  RETAILMSG(1,(L"[Mouse HOOK]Uninstall HOOK:0x%x\r\n",ghMouseHook));  if(ghMouseHook)  {    UnhookWindowsHookEx(ghMouseHook);    ghMouseHook = NULL;  }  ghInst = NULL;}/*nCode[輸入參數] 說明 HOOK 過程如何處理此訊息。如果 nCode 小於零, HOOK 過程必須將此訊息直接傳遞給下一個 CallNextHookEx, 並從 CallNextHookEx 返回.  本參數可以取以下的值：HC_ACTIONwParam 和 lParam 參數中包含滑鼠訊息的資訊。wParam[輸入參數] 滑鼠訊息標識. 本參數取如下值之一: WM_LBUTTONDOWN, WM_LBUTTONUP, WM_MOUSEMOVE, WM_MOUSEWHEEL, WM_MOUSEHWHEEL, WM_RBUTTONDOWN, 或 WM_RBUTTONUP. lParam[輸入參數] 指定 MSLLHOOKSTRUCT 結構體. 其中包含座標等資訊。*/// CE6 的滑鼠 HOOK 的響應速度很慢, 原因不明!extern "C" MOUSEHOOK_API LRESULT MouseHookProc(int nCode, WPARAM wParam, LPARAM lParam){  static POINT ptPre;#if _DEBUG   RETAILMSG(1,(L"[Mouse HOOK]Mouse Proc,nCode is: %d\r\n",nCode));   RETAILMSG(1,(L"[Mouse HOOK]Mouse Proc,wParam is: %d\r\n",wParam));#endif  PMSLLHOOKSTRUCT pMouseHookStruct = (PMSLLHOOKSTRUCT)lParam;#if _DEBUG  RETAILMSG(1,(L"[Mouse HOOK]Mouse Proc,mouseData is: %d\r\n",pMouseHookStruct->mouseData));  RETAILMSG(1,(L"[Mouse HOOK]Mouse Proc,dwExtraInfo is: %d\r\n",pMouseHookStruct->dwExtraInfo));#endif  if(HC_ACTION != nCode)  {    return CallNextHookEx(ghMouseHook, nCode, wParam, lParam);  }  if(ptPre.x != pMouseHookStruct->pt.x || ptPre.y != pMouseHookStruct->pt.y)  {#if _DEBUG    RETAILMSG(1,(L"[Mouse HOOK]Mouse Proc,pt is: %d,%d(%d,%d)\r\n",pMouseHookStruct->pt.x,pMouseHookStruct->pt.y,ptPre.x,ptPre.y));#endif    ptPre = pMouseHookStruct->pt;    // 若注釋掉此句, 則不再響應滑鼠操作    return CallNextHookEx(ghMouseHook, nCode, wParam, lParam);  // 繼續傳遞訊息  }  return TRUE;}// 調用樣本// mouse hook testtypedef void (*pInstallMouseHook)(void);typedef void (*pUnMouseHook)(void);HINSTANCE ghMouseModule = NULL;pInstallMouseHook  InMouseHook = NULL;pUnMouseHook  UnMouseHook = NULL;ghMouseModule = LoadLibrary(L"\\AppStore\\SystemInfo\\MouseHook.dll");if(ghMouseModule){  InMouseHook = (pInstallMouseHook)GetProcAddress(ghMouseModule,L"InstallMouseHook");  UnMouseHook = (pUnMouseHook)GetProcAddress(ghMouseModule,L"UnMouseHook");}if(NULL != InMouseHook){  InMouseHook();}