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UINT uDropEffect=RegisterClipboardFormat("Preferred DropEffect" ; if( OpenClipboard( hWnd)) { HDROP hDrop = HDROP( GetClipboardData( CF_HDROP)); if( hDrop) { DWORD dwEffect,*dw; dw=(DWORD*)(GetClipboardData( uDropEffect)); if(dw==NULL) dwEffect=DROPEFFECT_COPY; else dwEffect=*dw; char Buf[4096]; Buf[0] = 0; UINT cFiles = DragQueryFile( hDrop, (UINT) -1, NULL, 0); POINT Point; char szFile[ MAX_PATH]; for( UINT count = 0; count < cFiles; count++ ) { DragQueryFile( hDrop, count, szFile, sizeof( szFile)); lstrcat(Buf,szFile); lstrcat(Buf,"\n" ; } if(dwEffect & DROPEFFECT_MOVE) { MessageBox(NULL,Buf,"Move Files",MB_OK); } else if(dwEffect & DROPEFFECT_COPY) { MessageBox(NULL,Buf,"Copy Files",MB_OK); } CloseClipboard(); } } ÔÚÕâ¸öÀý×ÓÖУ¬ÎÒ²¢Ã»ÓнøÐÐÎļþ²Ù×÷£¬Ö»ÊǼòµ¥µÄÏÔʾһ¸öÏûÏ¢¿ò£¬Êµ¼ÊÓ¦ÓÃʱ£¬ÐèҪʹÓÃMoveFileºÍCopyFileº¯ÊýÀ´Íê³É£¬±¾ÎIJ»×öÌÖÂÛ¡£ ÖªµÀÈçºÎʶ±ðÆäËû³ÌÐòµÄ¼ôÇÐ/¿½±´ ÎļþµÄ¶¯×÷ºó£¬ÎÒÃǶԸòÙ×÷µÄÊý¾Ý½á¹¹ÒѾºÜÁ˽âÁË£¬ÒªÏëÈÃÆäËû³ÌÐòÄÜʶ±ðÎÒÃǵļôÇÐ/¿½±´ Îļþ¶¯×÷Æäʵ¾ÍÊǽ«ÒÔÉÏÊý¾Ý½á¹¹·ÅÈë¼ôÌù°åµÄ¹ý³Ì¡£ ÔÚÎÒÃÇÕâ¸öÀý×ÓÖУ¬Íù¼ôÌù°åÖзŵÄÊý¾Ý±ØÐëÊÇÄÚ´æ¶ÔÏó£ºHGLOBAL¡£Õâ¸ö¶ÔÏó¿ÉÒÔͨ¹ýGlobalAllocÀ´Éú³É¡£È»ºóʹÓÃGlobalLock¾Í¿ÉÒԵõ½¸Ã¶ÔÏóµÄÄÚ´æµØÖ·£¬¼Ì¶øÍùÀïÃæÐ´ Êý¾Ý¡£Êµ¼ÊÉÏÔÚWin32ÖÐÓÉÓÚ½ø³ÌÓµÓжÀÁ¢µÄÄÚ´æ¿Õ¼ä£¬Òò¶ø³£¹æµÄÄÚ´æ·ÖÅäÒѾ²»ÐèÒªGlobalLockÁË£¬¿´¿´MSDN¾ÍÖªµÀ¸Ãº¯ÊýÖ÷Òª¾ÍÊÇΪDDEºÍ¼ôÌù°å·þÎñµÄ¡£ ¸ù¾ÝÇ°ÃæµÄ֪ʶ£¬ÒªÏëÈÃÆäËû³ÌÐòʶ±ð³öÎÒÃǵļôÇÐ/¿½±´¶¯×÷ÎÒÃDZØÐëÍù¼ôÌù°åÖзÅÁ½ÏîÊý¾Ý£¬ÏÖÔÚ¾ÍÈÃÎÒÃÇÀ´ÎªDropEffect×¼±¸Êý¾Ý°É£¬Í¬ÑùÎÒÃÇÐèÒªÏÈ×¢²á¸ÃÊý¾Ý¸ñʽ£º uDropEffect=RegisterClipboardFormat("Preferred DropEffect" ; È»ºó·ÖÅäÄÚ´æ¶ÔÏ󲢵õ½Ö¸Õ룺 hGblEffect=GlobalAlloc(GMEM_ZEROINIT|GMEM_MOVEABLE|GMEM_DDESHARE,sizeof(DWORD)); dwDropEffect=(DWORD*)GlobalLock(hGblEffect); ×¢ÒâÍù¼ôÌù°åÖзŵÄÊý¾Ý±ØÐëʹÓÃGMEM_MOVEABLE±êÖ¾£¬×îºóÎÒÃÇÉèÖÃÊý¾Ý²¢½â³ýËø¶¨£º if(COPY) *dwDropEffect=DROPEFFECT_COPY; else *dwDropEffect=DROPEFFECT_MOVE; GlobalUnlock(hGblEffect); ÕâÑùÎÒ¾ÍΪDropEffect×¼±¸»¹Êý¾ÝÁË£¬µÈÒ»»á¶ùÎÒÃÇÁ¬Í¬ÎļþÍϷŶÔÏóÒ»Æð·ÅÈë¼ôÌù°å¡£½¨Á¢ÎļþÍϷŶÔÏóµÄ·½·¨ÓëDropEffect»ù±¾Ïàͬ£¬Ö»ÊÇÎļþÍϷŶÔÏóÓÐÌØÊâµÄÊý¾Ý½á¹¹ ¶ø²»ÏóDropEffectÄÇÑù¼òµ¥£¬¸Ã¶ÔÏóÊý¾Ý½á¹¹ÈçÏ£º +----------------------------+ | DROPFILES | Files List | +----------------------------+ DROPFILESÊÇÍϷŶÔÏóµÄÍ·Êý¾Ý£¬¸Ã½á¹¹ÔÚshlobj.hÖж¨Ò壺 typedef struct _DROPFILES { DWORD pFiles; POINT pt; BOOL fNC; BOOL fWide; } DROPFILES, FAR * LPDROPFILES; pFilesÖ¸ÕëÊÇÒÔ¶ÔÏóÊ×µØÖ·Îª²ÎÕÕµÄÎļþÁÐ±í£¨ÉÏͼÖеÄFiles ListÏµÄoffsetÁ¿¡£Í¨³£¸ÃÖµµÈÓÚDROPFILES½á¹¹µÄ³¤¶È£¨ÎÒ»¹Ã»¼û¹ýÀýÍ⣩£»pt±íÃ÷ÎļþÍϷŵÄλÖÃ×ø±ê£¬ÔÚÕâ¸öÀý×ÓÀïÎÒÃǺöÂÔΪ0£» fNC±íÃ÷ptÖµÊÇ·ñΪ¿Í»§Çø×ø±ê(FALSE±íÃ÷ÊÇÆÁÄ»×ø±ê£©£»fWide±íÃ÷Files ListÊÇ·ñ°üº¬unicode£¬×÷ΪÖйúÈË£¬ÎÒÃǵ±È»ÒªÉèÆäΪTRUE¡£DROPFILES½á¹¹Ö®ºó½ô¸úFiles List£¬Files ListÊÇÒ»×é¿í×Ö·û´®£¬Ö®¼äÒÔ0Ïà¸ô£¬±ÈÈ磺"Îļþ1\0Îļþ2\0..." ÎÒÃÇ¿ÉÒÔͨ¹ýMultiByteToWideCharº¯Êý½«³£¹æµÄ×Ö·û´®×ª»»³É¿í×Ö·û´®¡£ÏÂÃæ¾ÍÊÇÉú³ÉÍϷŶÔÏóµÄ´úÂ룺 uDropFilesLen=sizeof(DROPFILES); dropFiles.pFiles =uDropFilesLen; dropFiles.pt.x=0; dropFiles.pt.y=0; dropFiles.fNC =FALSE; dropFiles.fWide =TRUE; uGblLen=uDropFilesLen+uBufLen<<1+8; //uBufLenÊÇÎļþÃû×Ö·û´«×éµÄ³¤¶È£¬ÓÉÓÚҪת»»³É¿í×Ö·û£¬Òò´Ë³¤¶ÈÒª³Ë2 hGblFiles= GlobalAlloc(GMEM_ZEROINIT|GMEM_MOVEABLE|GMEM_DDESHARE, uGblLen); szData=(char*)GlobalLock(hGblFiles); memcpy(szData,(LPVOID)(&dropFiles),uDropFilesLen); //½«DROPFILES copyµ½Í·²¿ szFileList=szData+uDropFilesLen; //µÃµ½´æ·ÅÎļþÁбíµÄÊ×µØÖ· MultiByteToWideChar(CP_ACP,MB_COMPOSITE, lpBuffer,uBufLen,(WCHAR *)szFileList,uBufLen); GlobalUnlock(hGblFiles); ÏÖÔÚÎÒÃǾͿÉÒÔ½«ÉÏÃæÁ½×éÊý¾Ý·ÅÈë¼ôÌù°åÖÐÁË£¬×¢ÒâÔÚдÊý¾ÝǰӦÏÈÇå¿Õ¼ôÌù°å¡£ÎªÁË·½±ã´ó¼ÒʹÓã¬ÏÂÃæÎÒ¸ø³öʵÏִ˹¦ÄܵĶÀÁ¢µÄº¯Êý: VOID CutOrCopyFiles(char * lpBuffer,UINT uBufLen,BOOL bCopy) lpBufferÊǰüÀ¨ËùÓÐ×¼±¸¼ôÇÐ/¿½±´µÄÎļþÃû³ÆµÄ»º³åÇø£»uBufLenÊÇlpBufferµÄ³¤¶È£»bCopy¾ö¶¨¸Ã²Ù×÷ÊÇCopy»¹ÊÇCut£¬TRUEΪCopy,FALSEΪCut¡£ÀýÈçÎÒÃÇ¿ÉÒÔÕâÑùµ÷Óøú¯Êý£º char szFiles[]="c:\\1.txt\0c:\\2.txt\0"; CutOrCopyFiles(szFiles,sizeof(szFiles),FALSE); À´¼ôÇÐÎļþ£¬»òÕßʹÓ㺠CutOrCopyFiles(szFiles,sizeof(szFiles),TRUE); À´¿½±´Îļþ¡£ #include #include #include ...... VOID CutOrCopyFiles(char *lpBuffer,UINT uBufLen,BOOL bCopy) { UINT uDropEffect; DROPFILES dropFiles; UINT uGblLen,uDropFilesLen; HGLOBAL hGblFiles,hGblEffect; char *szData,*szFileList; DWORD *dwDropEffect; uDropEffect=RegisterClipboardFormat("Preferred DropEffect" ; hGblEffect=GlobalAlloc(GMEM_ZEROINIT|GMEM_MOVEABLE|GMEM_DDESHARE,sizeof(DWORD)); dwDropEffect=(DWORD*)GlobalLock(hGblEffect); if(bCopy) *dwDropEffect=DROPEFFECT_COPY; else *dwDropEffect=DROPEFFECT_MOVE; GlobalUnlock(hGblEffect); uDropFilesLen=sizeof(DROPFILES); dropFiles.pFiles =uDropFilesLen; dropFiles.pt.x=0; dropFiles.pt.y=0; dropFiles.fNC =FALSE; dropFiles.fWide =TRUE; uGblLen=uDropFilesLen+uBufLen*2+8; hGblFiles= GlobalAlloc(GMEM_ZEROINIT|GMEM_MOVEABLE|GMEM_DDESHARE, uGblLen); szData=(char*)GlobalLock(hGblFiles); memcpy(szData,(LPVOID)(&dropFiles),uDropFilesLen); szFileList=szData+uDropFilesLen; MultiByteToWideChar(CP_ACP,MB_COMPOSITE, lpBuffer,uBufLen,(WCHAR *)szFileList,uBufLen); GlobalUnlock(hGblFiles); if( OpenClipboard(NULL) ) { EmptyClipboard(); SetClipboardData( CF_HDROP, hGblFiles ); SetClipboardData(uDropEffect,hGblEffect); CloseClipboard(); } } Ï£ÍûÒÔÉÏÄÚÈݶÔÄãÓÐËù°ïÖú¡£ ±¾Îĸ½ÉÏÒ»¸öDemo¹¤³Ì,±àÒëºóÉú³ÉCutCopy.exe³ÌÐò,¸Ã³ÌÐòµÄʹÓ÷½·¨ÈçÏ£º Æô¶¯³ÌÐòºó,¿ÉʹÓÃWindows ×ÊÔ´¹ÜÀíÆ÷µÈ³ÌÐò¼ôÇÐ/¿½±´Îļþ,È»ºóµã³ÌÐòÖеÄ[CheckClipboard],Demo³ÌÐò½«·ÖÎö¼ôÌù°åÖеÄÄÚÈÝ,²¢µ¯³öÏûÏ¢¿ò¸æÖªÊÇCopy Files»¹ÊÇCut Files,²¢¸ø³öÎļþÁбí.Óû§µã[OK]¹Ø±ÕÏûÏ¢¿òºó,ÎļþÁÐ±í ½«±»·ÅÈëÎı¾¿òÖÐ,´ËʱÓû§¿ÉÒÔͨ¹ý[Cut]/[Copy]°´Å¥À´¸Ä±ä¼ôÌù°åÖеÄÊôÐÔ¡£ ͬʱ,Óû§¿ÉÒÔͨ¹ý[Browser]À´Ñ¡ÔñÈô¸ÉÎļþµ½Îı¾¿òÖÐ,È»ºóµã[Cut]/[Copy]½øÐвÙ×÷,Ö®ºó,Óû§¼È¿ÉÒÔͨ¹ý[CheckClipboard]¼ì²é¼ôÌù°åÖеÄÄÚÈÝÒ²¿ÉÒÔͨ¹ýÔÚWindows ×ÊÔ´¹ÜÀíÆ÷µÈ³ÌÐòÖнøÐÐÕ³Ìù(Paste)À´¼ì²éÆäÊÇ·ñÕýÈ·¡£ [ Last edited by »ÃÓ°ÎÞºÛ on 2006-11-29 at 07:40 ] |
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