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ǰÑÔ ±¾³ÌÐòÊÇÀûÓÃͨÓõÄÈȼü¹ÜÀíDLLʵÏÖµÄÈȼü¹¦ÄÜ£¬ÔÚÊÕµ½Èȼü֪ͨºó½ØÈ¡ÆÁÄ»µÄÄÚÈݲ¢±£´æµ½bmpÎļþÖС£±¾ÎÄÌṩÁËÈ«²¿Ô´´úÂ빩´ó¼Ò²Î¿¼¡£ ³ÌÐòÔËÐнçÃæ ÀýÈçÎÒÃÇÉèÖÃͼƬ±£´æÂ·¾¶Îªc:\,ÈȼüΪF9 + Control,È»ºó°´Change°´Å¥ÉèÖúÃÈȼü£¬µ±ÎÒÃÇÔÚÈÎÒâ³ÌÐòÖа´ÏÂCTRL+F9,µ±Ç°½çÃæ½«±»±£´æÔÚC:\ϵÄBMPÎļþÖС£ÏÂÃæÎÒÃÇÀ´¿´¿´³ÌÐòµÄʵÏÖÔÀíÓë»ù±¾½á¹¹¡£ Ò»¡¢Èȼü¹ÜÀíDLL Õâ¸öDLLʵ¼ÊÉÏÊÇÒ»¸ö¼üÅ̹³×Ó£¬ÓÉËüÀ´¼àÊÓϵͳµÄ¼üÅÌʼþ¡£Èç¹ûÓкͳÌÐòµÇ¼Ç·ûºÏµÄ°´¼üºÍ°´¼ü×éºÏ¾Í֪ͨ¸Ã³ÌÐòµÄ´°¿Ú¡£ÎªÁËÓ¦Ó÷½±ã£¬ÎÒ°ÑËü×ö³ÉÁËÒ»¸ö±ê×¼µÄ¹ÜÀí¿âÀ´ÎªÆäËüµÄ³ÌÐòͨ¹ýÈȼü·þÎñ£¬ËüÓÐÁ½¸öÊä³öº¯Êý£ºAddHotkeyºÍDeleteHotkey£¬³ÌÐòÖ»ÐèÒªµ÷ÓÃÕâÁ½¸öº¯Êý¾Í¿ÉÒÔÁË£¬Èç¹û±àÒëÖ®ºó²»ÓøıäÈȼü£¬ÔòÖ»ÐèÒªAddHotkey¾Í¿ÉÒÔÁË¡£ 1. È«¾Ö±äÁ¿ ËùÓеÄÈ«¾Ö±äÁ¿¶¼·ÅÔÚÒ»¸ö¹²Ïí¶ÎÖУ¬¶¨ÒåÈçÏ£º #pragma data_seg("shareddata" HHOOK hHook =NULL; //¹³×Ó¾ä±ú UINT nHookCount =0; //¹Ò½ÓµÄ³ÌÐòÊýÄ¿ static UCHAR HotKey[MAX_KEY] = {0}; //ÈȼüÐéÄâ¼üÂë static UCHAR HotKeyMask[MAX_KEY] = {0}; //×éºÏÑÚÂë, control=4,alt=2,shift=1 ¿ÉÒÔ¡°»ò¡± static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey static int KeyCount =0; static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1 #pragma data_seg() ¹ØÓÚ¹²Ïí¶Î£¬Óм¸µãÖØÒªµÄ˵Ã÷£º a. ±ØÐëÔÚÁ´½ÓÑ¡ÏîÀïÖ¸¶¨¸Ã¶ÎΪ¹²Ïí£¬project->settings->link->object/library£¬¼ÓÉÏ/section:shareddata,rws b. µÚ¶þÖÖÖ¸¶¨¹²Ïí¶ÎµÄ·½·¨£ºÔÚdefÎļþµÄsectionsÀï¼ÓÉÏÒ»¾äshareddata read write shared c. µÚÈýÖÖÖ¸¶¨¹²Ïí¶ÎµÄ·½·¨£ºÔÚ³ÌÐòÀï¼ÓÉÏÒ»¾ä#pragma comment(linker,"section:shareddata,rws" d. ËùÓеıäÁ¿±ØÐë³õʼ»¯£¬·ñÔòÁ´½Ó³ÌÐò»á°ÑËü·Åµ½ÆÕͨÊý¾Ý¶Î e. Èç¹û²»³õʼ»¯±äÁ¿£¬ÐèÒªÔÚ¶ÎÍâÓá°__declspec(allocate("shareddata" ) ±äÁ¿ÀàÐÍ ±äÁ¿Ãû¡±µÄ·½Ê½¶¨Òå 2. Á½¸öÊä³öº¯ÊýÈçÏ£º //Ìí¼ÓÈȼü£¬Èç¹ûcKeyºÍcMask¾ùΪ0Ôò¼àÊÓËùÓа´¼üʼþ BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask) { BOOL bAdded=FALSE; for(int index=0;index //ɾ³ýÈȼü BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask) { BOOL bRemoved=FALSE; for(int index=0;index 3. ¹³×Óº¯ÊýÈçÏ£º LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam) { BOOL bProcessed=FALSE; if(HC_ACTION==nCode) { if((lParam&0xc0000000)==0xc0000000){// ÓмüËÉ¿ª switch(wParam) { case VK_MENU: MaskBits&=~ALTBIT; break; case VK_CONTROL: MaskBits&=~CTRLBIT; break; case VK_SHIFT: MaskBits&=~SHIFTBIT; break; default: //judge the key and send message break; } for(int index=0;index ÕâÑù£¬Èȼü¹ÜÀíµÄDLL¾Í×öºÃÁË£¬ÎÒÃǾͿÉÒÔÔÚ³ÌÐòÀïµ÷ÓÃAddHotkeyÁË ¶þ¡¢×¥Í¼³ÌÐò ץͼ³ÌÐòÊÇÒ»¸ö»ùÓÚ¶Ô»°¿òµÄ³ÌÐò£¬ËüÔÚ½¨Á¢¶Ô»°¿òµÄʱºòµ÷ÓÃÇ°ÃæµÄDLL£¬µÇ¼ÇÈȼü 1. Ìí¼Óhook.libµ½¹¤³ÌÀÔÚ³ÌÐòÀï¸ø³öÁ½¸öDLLº¯ÊýµÄ¶¨Ò壬Ҳ¿ÉÒÔд¸öÍ·Îļþ£¬ÔÙ°üº¬½øÀ´ BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); Ò²¿ÉÒÔÓö¯Ì¬ÔØÈëµÄ°ì·¨µ÷Óà 2. Ìí¼Ó¶ÔÈȼü֪ͨʼþµÄÏìÓ¦£¬³ÌÐòÖÐÓõİ취ÊÇÖØÔØWindowProc LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam) { if(message==WM_HOTKEY&&lParam==WM_KEYDOWN){ //lParam±íʾÊǰ´Ï»¹ÊÇËÉ¿ª£¬Èç¹ûÓжà¸öÈȼü£¬ÓÉwParamÀ´Çø·Ö SaveBmp(); return FALSE; } ¡¡ //ÆäËü´¦Àí¼°Ä¬ÈÏ´¦Àí } 3. ±£´æÆÁÄ» ±£´æÆÁÄ»Óɺ¯ÊýSaveBmpÍê³É£¬ÈçÏ£º void CCaptureDlg::SaveBmp() { CDC dc; dc.CreateDC("DISPLAY",NULL,NULL,NULL); CBitmap bm; int Width=GetSystemMetrics(SM_CXSCREEN); int Height=GetSystemMetrics(SM_CYSCREEN); bm.CreateCompatibleBitmap(&dc,Width,Height); CDC tdc; tdc.CreateCompatibleDC(&dc); CBitmap*pOld=tdc.SelectObject(&bm); tdc.BitBlt(0,0,Width,Height,&dc,0,0,SRCCOPY); tdc.SelectObject(pOld); BITMAP btm; bm.GetBitmap(&btm); DWORD size=btm.bmWidthBytes*btm.bmHeight; LPSTR lpData=(LPSTR)GlobalAllocPtr(GPTR,size); ///////////////////////////////////////////// BITMAPINFOHEADER bih; bih.biBitCount=btm.bmBitsPixel; bih.biClrImportant=0; bih.biClrUsed=0; bih.biCompression=0; bih.biHeight=btm.bmHeight; bih.biPlanes=1; bih.biSize=sizeof(BITMAPINFOHEADER); bih.biSizeImage=size; bih.biWidth=btm.bmWidth; bih.biXPelsPerMeter=0; bih.biYPelsPerMeter=0; GetDIBits(dc,bm,0,bih.biHeight,lpData,(BITMAPINFO*)&bih,DIB_RGB_COLORS); //bm.GetBitmapBits(size,lpData);//´Ëº¯ÊýÔÚ´¦Àí5-5-5ģʽµÄ16λɫÏ»á³öÏÖÑÕÉ«»ìÂÒ static int filecount=0; CString name; name.Format("pict%04d.bmp",filecount++); name=m_Path+name; BITMAPFILEHEADER bfh; bfh.bfReserved1=bfh.bfReserved2=0; bfh.bfType=((WORD)(''M''<< 8)|''B''); bfh.bfSize=54+size; bfh.bfOffBits=54; CFile bf; if(bf.Open(name,CFile::modeCreate|CFile::modeWrite)){ bf.WriteHuge(&bfh,sizeof(BITMAPFILEHEADER)); bf.WriteHuge(&bih,sizeof(BITMAPINFOHEADER)); bf.WriteHuge(lpData,size); bf.Close(); nCount++; } GlobalFreePtr(lpData); if(nCount==1) m_Number.Format("%d picture captured.",nCount); else m_Number.Format("%d pictures captured.",nCount); UpdateData(FALSE); } 4. ½çÃæ´¦Àí¡£¸Ã³ÌÐòΪÁ˱ÜÃâÈȼü³åÍ»£¬²ÉÓÃÁ˶¯Ì¬ÉèÖÃÈȼüµÄ·½·¨£¬¾ßÌå½çÃæÉϵĶ«Î÷£¬¿ÉÒÔ¿´Ô´³ÌÐò Ô´³ÌÐòµÄ±àÒëÓëʹÓÃ:ÏȱàÒëhook.dll²¢½«Æä·ÅÔÚϵͳĿ¼£¨win2000/NTÊÇsystem32£¬98/MEÊÇsystem£©¡£ È»ºó±àÒë¶Ô»°¿ò³ÌÐòÔËÐм´¿É£¡ [ Last edited by »ÃÓ°ÎÞºÛ on 2006-11-27 at 08:18 ] |
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