{"id":119450,"date":"2026-10-29T17:56:47","date_gmt":"2026-10-29T09:56:47","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/119450.html"},"modified":"2026-10-29T17:56:47","modified_gmt":"2026-10-29T09:56:47","slug":"c-c%e7%a8%8b%e5%ba%8f%e8%ae%be%e8%ae%a1%ef%bc%88%e4%ba%94%e5%8d%81%e4%ba%94%ef%bc%89-mfc-%e4%b8%8e-windows-%e6%a1%8c%e9%9d%a2%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/119450.html","title":{"rendered":"C\/C++\u7a0b\u5e8f\u8bbe\u8ba1\uff08\u4e94\u5341\u4e94\uff09\u2014\u2014 MFC \u4e0e Windows \u684c\u9762\u5e94\u7528"},"content":{"rendered":"

\u7b2c55\u7ae0 MFC \u4e0e Windows \u684c\u9762\u5e94\u7528<\/h2>\n

\u7b2c54\u7ae0\u8ba8\u8bba\u4e86 MSVC \u7684\u4e8c\u8fdb\u5236\u5951\u7ea6：\u8c03\u7528\u7ea6\u5b9a\u3001\u540d\u79f0\u4fee\u9970\u4e0e\u6570\u636e\u6a21\u578b\u3002\u8fd9\u4e9b\u5951\u7ea6\u51b3\u5b9a\u4e86 Windows \u539f\u751f\u7a0b\u5e8f\u5982\u4f55\u4e0e\u64cd\u4f5c\u7cfb\u7edf\u4ea4\u4e92\u3002\u672c\u7ae0\u8fdb\u5165\u5efa\u7acb\u5728\u8fd9\u4e00\u5951\u7ea6\u4e4b\u4e0a\u7684\u7b2c\u4e00\u4ee3 C++ \u684c\u9762\u6846\u67b6\u2014\u2014MFC（Microsoft Foundation Classes）\u3002MFC \u7684\u4ef7\u503c\u4e0d\u5728\u4e8e\u5b83\u201c\u8fc7\u65f6\u201d\u6216\u201c\u4ecd\u5728\u4f7f\u7528\u201d\u8fd9\u6837\u7b80\u5355\u7684\u5224\u65ad，\u800c\u5728\u4e8e\u5b83\u5c55\u793a\u4e86\u4e00\u79cd\u7279\u5b9a\u7684\u67b6\u6784\u9009\u62e9：\u5982\u4f55\u5728\u4e0d\u4fee\u6539 Win32 API \u7684\u524d\u63d0\u4e0b，\u7528 C++ \u7684\u7c7b\u7ee7\u627f\u3001\u865a\u51fd\u6570\u4e0e\u5b8f，\u4e3a\u8fc7\u7a0b\u5f0f\u7684\u6d88\u606f\u9a71\u52a8\u6a21\u578b\u63d0\u4f9b\u9762\u5411\u5bf9\u8c61\u7684\u5c01\u88c5，\u540c\u65f6\u907f\u514d\u4e3a\u6570\u767e\u79cd\u6d88\u606f\u5404\u81ea\u58f0\u660e\u865a\u51fd\u6570\u6240\u5e26\u6765\u7684 vtable \u81a8\u80c0\u3002\u7406\u89e3\u8fd9\u4e00\u9009\u62e9\u80cc\u540e\u7684\u7ea6\u675f\u4e0e\u6743\u8861，\u6bd4\u8bb0\u4f4f\u6d88\u606f\u6620\u5c04\u5b8f\u7684\u5199\u6cd5\u66f4\u6709\u957f\u671f\u4ef7\u503c\u3002<\/p>\n

\n

55.1 MFC \u7684\u5b9a\u4f4d：Win32 \u4e4b\u4e0a\u7684\u95f4\u63a5\u5c42<\/h3>\n

55.1.1 \u76f4\u63a5\u865a\u51fd\u6570\u65b9\u6848\u4e3a\u4f55\u4e0d\u53ef\u884c<\/h4>\n

Win32 \u7684\u7a97\u53e3\u8fc7\u7a0b\u662f\u4e00\u4e2a\u5355\u4e00\u7684\u56de\u8c03\u51fd\u6570，\u901a\u8fc7 switch \u8bed\u53e5\u6309\u6d88\u606f ID \u5206\u6d3e\u3002\u82e5\u7528 C++ \u865a\u51fd\u6570\u76f4\u63a5\u5efa\u6a21，\u6700\u81ea\u7136\u7684\u65b9\u6848\u662f\u4e3a\u6bcf\u4e00\u79cd\u7a97\u53e3\u6d88\u606f\u58f0\u660e\u4e00\u4e2a\u865a\u51fd\u6570 OnPaint\u3001OnLButtonDown\u3001OnTimer \u7b49\u3002\u8fd9\u4e00\u65b9\u6848\u7684\u95ee\u9898\u5728\u4e8e vtable \u7684\u89c4\u6a21\u3002\u8bbe\u7cfb\u7edf\u5b9a\u4e49\u7684\u6d88\u606f\u6570\u4e3a NsysN_{\\\\text{sys}}<\/span><\/span>N<\/span><\/span>sys<\/span><\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>，\u5e94\u7528\u7a0b\u5e8f\u81ea\u5b9a\u4e49\u6d88\u606f\u6570\u4e3a NappN_{\\\\text{app}}<\/span><\/span>N<\/span><\/span>app<\/span><\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>，\u5219\u6bcf\u4e2a CWnd \u6d3e\u751f\u7c7b\u7684 vtable \u9700\u8981\u5bb9\u7eb3
\nNvtable=Nsys+Napp
\nN_{\\\\text{vtable}} = N_{\\\\text{sys}} + N_{\\\\text{app}}
\n<\/span><\/span>N<\/span><\/span>vtable<\/span><\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>=<\/span><\/span><\/span><\/span>N<\/span><\/span>sys<\/span><\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>+<\/span><\/span><\/span><\/span>N<\/span><\/span>app<\/span><\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>
\n\u4e2a\u51fd\u6570\u6307\u9488\u3002\u5728 MFC \u8bde\u751f\u7684\u5e74\u4ee3，\u7cfb\u7edf\u6d88\u606f\u5df2\u6709\u6570\u767e\u79cd，\u4e14\u6570\u91cf\u968f Windows \u7248\u672c\u6301\u7eed\u589e\u957f\u3002\u4e3a\u6bcf\u4e2a\u6d88\u606f\u58f0\u660e\u865a\u51fd\u6570\u610f\u5473\u7740：\u4efb\u4f55\u65b0\u589e\u6d88\u606f\u90fd\u4f1a\u6539\u53d8 vtable \u5e03\u5c40，\u7834\u574f\u5df2\u6709\u6d3e\u751f\u7c7b\u7684\u4e8c\u8fdb\u5236\u517c\u5bb9\u6027；\u540c\u65f6，\u7edd\u5927\u591a\u6570\u7a97\u53e3\u53ea\u5173\u5fc3\u5176\u4e2d\u6781\u5c11\u6570\u7684\u6d88\u606f，\u4e3a\u4e0d\u5173\u5fc3\u7684\u6d88\u606f\u4fdd\u7559 vtable \u69fd\u4f4d\u662f\u7eaf\u7cb9\u7684\u7a7a\u95f4\u6d6a\u8d39\u3002<\/p>\n

55.1.2 \u6d88\u606f\u6620\u5c04\u7684\u95f4\u63a5\u65b9\u6848<\/h4>\n

MFC \u7684\u89e3\u51b3\u65b9\u6848\u662f\u7528\u6570\u636e\u8868\u67e5\u627e\u66ff\u4ee3\u865a\u51fd\u6570\u5206\u6d3e\u3002\u6bcf\u4e2a\u9700\u8981\u5904\u7406\u6d88\u606f\u7684\u7c7b\u7ef4\u62a4\u4e00\u5f20\u9759\u6001\u6570\u7ec4 _messageEntries，\u6570\u7ec4\u7684\u6bcf\u4e2a\u5143\u7d20\u662f\u4e00\u4e2a AFX_MSGMAP_ENTRY \u7ed3\u6784，\u8bb0\u5f55\u6d88\u606f\u6807\u8bc6\u4e0e\u5904\u7406\u51fd\u6570\u7684\u5bf9\u5e94\u5173\u7cfb\u3002DECLARE_MESSAGE_MAP() \u5b8f\u5728\u7c7b\u4e2d\u58f0\u660e\u4e09\u4e2a\u6210\u5458：\u79c1\u6709\u7684 _messageEntries \u6570\u7ec4\u3001\u53d7\u4fdd\u62a4\u7684 messageMap \u7ed3\u6784（\u6307\u5411\u8be5\u6570\u7ec4\u5e76\u6301\u6709\u6307\u5411\u57fa\u7c7b messageMap \u7684\u6307\u9488），\u4ee5\u53ca\u865a\u51fd\u6570 GetMessageMap() \u7528\u4e8e\u8fd4\u56de messageMap \u7684\u5730\u5740\u3002<\/p>\n

\u8fd9\u4e00\u8bbe\u8ba1\u7684\u6838\u5fc3\u662f\u5c06\u5206\u6d3e\u51b3\u7b56\u4ece\u7f16\u8bd1\u671f\u7684 vtable \u5e03\u5c40\u8f6c\u79fb\u5230\u8fd0\u884c\u671f\u7684\u8868\u67e5\u627e\u3002\u65b0\u589e\u6d88\u606f\u53ea\u9700\u5728\u6570\u7ec4\u4e2d\u8ffd\u52a0\u6761\u76ee，\u4e0d\u6539\u53d8\u4efb\u4f55\u7c7b\u7684\u5185\u5b58\u5e03\u5c40；\u4e0d\u5173\u5fc3\u7684\u6d88\u606f\u4e0d\u4ea7\u751f\u6761\u76ee，\u6ca1\u6709\u7a7a\u95f4\u5f00\u9500\u3002\u4ee3\u4ef7\u662f\u6bcf\u6b21\u6d88\u606f\u5206\u6d3e\u9700\u8981\u4e00\u6b21\u67e5\u627e，\u800c\u975e\u4e00\u6b21\u865a\u8c03\u7528\u3002<\/p>\n

55.1.3 \u67e5\u627e\u7684\u590d\u6742\u5ea6\u4e0e\u5de5\u7a0b\u53d6\u820d<\/h4>\n

BEGIN_MESSAGE_MAP \/ END_MESSAGE_MAP \u4e4b\u95f4\u751f\u6210\u7684\u6570\u7ec4\u662f\u6309\u4e66\u5199\u987a\u5e8f\u6392\u5217\u7684，\u5e76\u4e0d\u4fdd\u8bc1\u6309\u6d88\u606f ID \u6709\u5e8f\u3002\u67e5\u627e\u91c7\u7528\u7ebf\u6027\u626b\u63cf：\u4ece\u5f53\u524d\u7c7b\u7684\u6570\u7ec4\u5f00\u59cb，\u9010\u6761\u6bd4\u8f83\u6d88\u606f ID \u4e0e\u63a7\u4ef6 ID，\u672a\u547d\u4e2d\u5219\u901a\u8fc7 messageMap \u4e2d\u7684\u57fa\u7c7b\u6307\u9488\u9012\u5f52\u5230\u7236\u7c7b，\u76f4\u5230\u6839\u7c7b\u3002\u8bbe\u7c7b\u7ee7\u627f\u6df1\u5ea6\u4e3a dd<\/span><\/span>d<\/span><\/span><\/span><\/span><\/span>，\u7b2c kk<\/span><\/span>k<\/span><\/span><\/span><\/span><\/span> \u5c42\u6570\u7ec4\u7684\u6761\u76ee\u6570\u4e3a nkn_k<\/span><\/span>n<\/span><\/span>k<\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>，\u5219\u6700\u574f\u60c5\u51b5\u4e0b\u7684\u6bd4\u8f83\u6b21\u6570\u4e3a
\nCworst=\u2211k=1dnk.
\nC_{\\\\text{worst}} = \\\\sum_{k=1}^{d} n_k.
\n<\/span><\/span>C<\/span><\/span>worst<\/span><\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>=<\/span><\/span><\/span><\/span><\/span>k<\/span>=<\/span>1<\/span><\/span><\/span><\/span><\/span>\u2211<\/span><\/span><\/span><\/span>d<\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>n<\/span><\/span>k<\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

\u4e00\u4e2a\u81ea\u7136\u7684\u4f18\u5316\u601d\u8def\u662f\u5bf9\u6570\u7ec4\u6392\u5e8f\u540e\u4f7f\u7528\u4e8c\u5206\u67e5\u627e，\u5c06\u5355\u5c42\u67e5\u627e\u4ece O(nk)O(n_k)<\/span><\/span>O<\/span>(<\/span>n<\/span><\/span>k<\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>)<\/span><\/span><\/span><\/span><\/span> \u964d\u4e3a O(log\u2061nk)O(\\\\log n_k)<\/span><\/span>O<\/span>(<\/span>log<\/span><\/span><\/span>n<\/span><\/span>k<\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>)<\/span><\/span><\/span><\/span><\/span>\u3002\u4f46 MFC \u5e76\u672a\u8fd9\u6837\u505a\u3002\u539f\u56e0\u5728\u4e8e\u5b9e\u9645\u6761\u76ee\u6570\u5f88\u5c0f：\u4e00\u4e2a\u5178\u578b\u7684\u7a97\u53e3\u7c7b\u53ea\u5904\u7406\u5341\u4f59\u6761\u6d88\u606f，\u7ebf\u6027\u626b\u63cf\u5728\u5e38\u6570\u56e0\u5b50\u4e0a\u5df2\u7ecf\u8db3\u591f\u5feb，\u6392\u5e8f\u4e0e\u4e8c\u5206\u7684\u9884\u5904\u7406\u6210\u672c\u4ee5\u53ca\u7ef4\u62a4\u6709\u5e8f\u6027\u7684\u7ea6\u675f\u53cd\u800c\u4e0d\u5212\u7b97\u3002MFC \u9009\u62e9\u4e86\u53e6\u4e00\u6761\u4f18\u5316\u8def\u5f84：\u6700\u8fd1\u4f7f\u7528\u6d88\u606f\u7684\u54c8\u5e0c\u7f13\u51b2\u6c60\u3002_afxMsgCache \u662f\u4e00\u4e2a\u5bb9\u91cf\u4e3a 2 \u7684\u5e42\u7684\u6570\u7ec4，\u4ee5 (pMessageMap \u5730\u5740 ^ nMsg) \u7684\u4f4e\u4f4d\u4f5c\u4e3a\u7d22\u5f15，\u7f13\u5b58\u6700\u8fd1\u67e5\u627e\u6210\u529f\u7684\u6d88\u606f\u6620\u5c04\u6761\u76ee\u3002\u5bf9\u4e8e\u91cd\u590d\u89e6\u53d1\u7684\u540c\u4e00\u6d88\u606f（\u5982\u9f20\u6807\u79fb\u52a8\u3001\u5b9a\u65f6\u5668），\u7f13\u51b2\u6c60\u5c06\u67e5\u627e\u9000\u5316\u4e3a O(1)O(1)<\/span><\/span>O<\/span>(<\/span>1<\/span>)<\/span><\/span><\/span><\/span><\/span> \u7684\u54c8\u5e0c\u547d\u4e2d\u3002\u8fd9\u4e00\u8bbe\u8ba1\u7684\u542f\u793a\u662f：\u5728\u6761\u76ee\u6570\u5c0f\u3001\u8bbf\u95ee\u5c40\u90e8\u6027\u5f3a\u7684\u573a\u666f\u4e0b，\u7f13\u5b58\u70ed\u70b9\u6bd4\u4f18\u5316\u901a\u7528\u67e5\u627e\u66f4\u6709\u6548\u3002<\/p>\n

\n

55.2 \u7a0b\u5e8f\u7ed3\u6784：\u63a7\u5236\u53cd\u8f6c\u4e0e\u751f\u547d\u5468\u671f<\/h3>\n

55.2.1 \u5168\u5c40\u5bf9\u8c61\u4e0e\u6846\u67b6\u63a5\u7ba1<\/h4>\n

MFC \u7a0b\u5e8f\u4e0d\u663e\u5f0f\u4e66\u5199 main \u6216 WinMain\u3002\u5165\u53e3\u7531\u6846\u67b6\u63d0\u4f9b，\u6846\u67b6\u5728\u5185\u90e8\u5b8c\u6210 AfxWinInit\u3001\u8c03\u7528\u5168\u5c40 CWinApp \u6d3e\u751f\u5bf9\u8c61\u7684 InitInstance\u3001\u8fdb\u5165\u6d88\u606f\u5faa\u73af\u3001\u6700\u7ec8\u8c03\u7528 ExitInstance\u3002\u5168\u5c40\u5bf9\u8c61 theApp \u5728 main \u4e4b\u524d\u6784\u9020，\u5176\u6784\u9020\u51fd\u6570\u5c06\u81ea\u8eab\u6ce8\u518c\u4e3a\u5f53\u524d\u5e94\u7528\u5bf9\u8c61；\u6846\u67b6\u7684\u5165\u53e3\u51fd\u6570\u901a\u8fc7 AfxGetApp() \u83b7\u53d6\u8be5\u6307\u9488\u5e76\u9a71\u52a8\u6574\u4e2a\u751f\u547d\u5468\u671f\u3002<\/p>\n

\u8fd9\u4e00\u7ed3\u6784\u662f\u63a7\u5236\u53cd\u8f6c\u7684\u65e9\u671f\u5b9e\u4f8b：\u7a0b\u5e8f\u4e0d\u518d\u8c03\u7528\u6846\u67b6，\u800c\u662f\u7531\u6846\u67b6\u5728\u9884\u5b9a\u7684\u65f6\u70b9\u8c03\u7528\u7a0b\u5e8f\u63d0\u4f9b\u7684\u94a9\u5b50（InitInstance\u3001ExitInstance）\u3002C++ \u5168\u5c40\u5bf9\u8c61\u7684\u6784\u9020\u53d1\u751f\u5728 main \u4e4b\u524d，\u6070\u597d\u4e3a\u8fd9\u79cd\u201c\u5728\u5165\u53e3\u4e4b\u524d\u5b8c\u6210\u6ce8\u518c\u201d\u7684\u6a21\u5f0f\u63d0\u4f9b\u4e86\u8bed\u8a00\u5c42\u9762\u7684\u652f\u6301\u3002<\/p>\n

55.2.2 \u6d88\u606f\u5faa\u73af\u7684\u8bed\u4e49<\/h4>\n

\u6d88\u606f\u5faa\u73af\u7684\u5f62\u5f0f\u53ef\u4ee5\u5199\u4e3a
\nwhile\u00a0(GetMessage(m,null,0,0))\u2005\u200a{\u2005\u200aTranslateMessage(m);\u2005\u200aDispatchMessage(m);\u2005\u200a}
\n\\\\text{while } \\\\big( \\\\mathsf{GetMessage}(m, \\\\text{null}, 0, 0) \\\\big) \\\\; \\\\{ \\\\; \\\\mathsf{TranslateMessage}(m); \\\\; \\\\mathsf{DispatchMessage}(m); \\\\;\\\\}
\n<\/span><\/span>while\u00a0<\/span><\/span>(<\/span><\/span>GetMessage<\/span><\/span>(<\/span>m<\/span>,<\/span><\/span>null<\/span><\/span>,<\/span><\/span>0<\/span>,<\/span><\/span>0<\/span>)<\/span>)<\/span><\/span><\/span>{<\/span><\/span>TranslateMessage<\/span><\/span>(<\/span>m<\/span>)<\/span>;<\/span><\/span><\/span>DispatchMessage<\/span><\/span>(<\/span>m<\/span>)<\/span>;<\/span><\/span><\/span>}<\/span><\/span><\/span><\/span><\/span><\/span>
\nGetMessage \u5728\u961f\u5217\u4e3a\u7a7a\u65f6\u963b\u585e，\u5c06 CPU \u8ba9\u7ed9\u5176\u4ed6\u7ebf\u7a0b；DispatchMessage \u6839\u636e\u6d88\u606f\u4e2d\u7684\u7a97\u53e3\u53e5\u67c4\u627e\u5230\u5bf9\u5e94\u7684\u7a97\u53e3\u8fc7\u7a0b\u5e76\u8c03\u7528\u3002MFC \u5728\u8fd9\u4e00\u5c42\u4e4b\u4e0a\u63d2\u5165 CWnd::WindowProc，\u540e\u8005\u5148\u5904\u7406\u547d\u4ee4\u6d88\u606f\u7684\u8def\u7531（\u89c1 55.6），\u518d\u5c06\u975e\u547d\u4ee4\u6d88\u606f\u4ea4\u7ed9 OnWndMsg \u8fdb\u884c\u6d88\u606f\u6620\u5c04\u67e5\u627e\u3002\u56e0\u6b64，\u4ece Win32 \u6d88\u606f\u5230 MFC \u5904\u7406\u51fd\u6570\u7684\u8def\u5f84\u662f：DispatchMessage \u2192 CWnd::WindowProc \u2192 OnWndMsg \u2192 \u6d88\u606f\u6620\u5c04\u67e5\u627e \u2192 \u5904\u7406\u51fd\u6570\u3002<\/p>\n

55.2.3 \u6700\u5c0f\u7a0b\u5e8f\u7684\u7ed3\u6784\u8bed\u4e49<\/h4>\n

class<\/span> CMyApp<\/span> :<\/span> public<\/span> CWinApp<\/span><\/span> {<\/span>
\npublic<\/span>:<\/span>
\n BOOL InitInstance<\/span>(<\/span>)<\/span> override<\/span>;<\/span>
\n}<\/span>;<\/span>
\nclass<\/span> CMyFrame<\/span> :<\/span> public<\/span> CFrameWnd<\/span><\/span> {<\/span>
\npublic<\/span>:<\/span>
\n CMyFrame<\/span>(<\/span>)<\/span> {<\/span> Create<\/span>(<\/span>nullptr<\/span>,<\/span> _T<\/span>(<\/span>"\u7b2c\u4e00\u4e2a MFC \u7a0b\u5e8f"<\/span>)<\/span>)<\/span>;<\/span> }<\/span>
\n}<\/span>;<\/span>
\nCMyApp theApp;<\/span><\/p>\n

BOOL CMyApp<\/span>::<\/span>InitInstance<\/span>(<\/span>)<\/span> {<\/span>
\n m_pMainWnd =<\/span> new<\/span> CMyFrame;<\/span>
\n m_pMainWnd-><\/span>ShowWindow<\/span>(<\/span>SW_SHOW)<\/span>;<\/span>
\n return<\/span> TRUE;<\/span>
\n}<\/span><\/p>\n

Create \u5728\u7a97\u53e3\u7c7b\u6ce8\u518c\u4e0e CreateWindowEx \u8c03\u7528\u4e4b\u95f4\u5b8c\u6210\u4e86 MFC \u5bf9\u8c61\u7684\u5173\u8054：\u7a97\u53e3\u53e5\u67c4 hWndhWnd<\/span><\/span>hW<\/span>n<\/span>d<\/span><\/span><\/span><\/span><\/span> \u88ab\u8bb0\u5f55\u5728 CWnd \u5bf9\u8c61\u7684 m_hWnd \u6210\u5458\u4e2d，\u540c\u65f6\u8be5 CWnd \u6307\u9488\u88ab\u5b58\u5165\u4e00\u4e2a\u53e5\u67c4\u5230\u5bf9\u8c61\u7684\u6620\u5c04\u8868，\u4f7f\u5f97\u540e\u7eed\u7a97\u53e3\u8fc7\u7a0b\u80fd\u591f\u4ece hWndhWnd<\/span><\/span>hW<\/span>n<\/span>d<\/span><\/span><\/span><\/span><\/span> \u53cd\u67e5\u56de C++ \u5bf9\u8c61\u3002\u8fd9\u4e00\u6620\u5c04\u662f MFC \u5c06 Win32 \u53e5\u67c4\u4e16\u754c\u4e0e C++ \u5bf9\u8c61\u4e16\u754c\u8fde\u63a5\u8d77\u6765\u7684\u5173\u952e\u57fa\u7840\u8bbe\u65bd\u3002<\/p>\n

\n

55.3 \u6d88\u606f\u6620\u5c04\u7684\u6570\u636e\u7ed3\u6784\u4e0e\u5b8f\u5c55\u5f00<\/h3>\n

55.3.1 AFX_MSGMAP_ENTRY \u7684\u5b57\u6bb5\u8bed\u4e49<\/h4>\n

\u6bcf\u4e2a\u6620\u5c04\u6761\u76ee\u5305\u542b\u4e94\u4e2a\u5b57\u6bb5：nMessage（\u6d88\u606f ID）\u3001nCode（\u901a\u77e5\u7801，\u7528\u4e8e\u63a7\u4ef6\u901a\u77e5）\u3001nID（\u63a7\u4ef6\u6216\u547d\u4ee4 ID）\u3001nLastID（ID \u8303\u56f4\u4e0a\u754c，\u7528\u4e8e\u8303\u56f4\u547d\u4ee4）\u3001nSig（\u51fd\u6570\u7b7e\u540d\u6807\u8bc6）\u4e0e pfn（\u5904\u7406\u51fd\u6570\u6307\u9488）\u3002nSig \u7684\u4f5c\u7528\u662f\u5728\u8fd0\u884c\u671f\u6821\u9a8c\u5904\u7406\u51fd\u6570\u7684\u53c2\u6570\u7c7b\u578b\u662f\u5426\u4e0e\u6d88\u606f\u5339\u914d：\u4f8b\u5982 WM_PAINT \u7684\u5904\u7406\u51fd\u6570\u7b7e\u540d\u4e3a void (CWnd::*)()，\u800c WM_LBUTTONDOWN \u7684\u7b7e\u540d\u4e3a void (CWnd::*)(UINT, CPoint)，nSig \u8bb0\u5f55\u4e86\u8fd9\u4e9b\u7b7e\u540d\u7684\u7f16\u7801，\u8c03\u7528\u524d\u636e\u6b64\u8fdb\u884c\u7c7b\u578b\u8f6c\u6362\u3002<\/p>\n

55.3.2 DECLARE_MESSAGE_MAP \u7684\u5c55\u5f00<\/h4>\n

#<\/span>define<\/span> DECLARE_MESSAGE_MAP<\/span>(<\/span>)<\/span> <\/span>\\\\<\/span>
\nprotected<\/span>:<\/span> <\/span>\\\\<\/span>
\n static<\/span> const<\/span> AFX_MSGMAP_ENTRY _messageEntries[<\/span>]<\/span>;<\/span> <\/span>\\\\<\/span>
\n static<\/span> const<\/span> AFX_MSGMAP messageMap;<\/span> <\/span>\\\\<\/span>
\n virtual<\/span> const<\/span> AFX_MSGMAP*<\/span> GetMessageMap<\/span>(<\/span>)<\/span> const<\/span>;<\/span><\/span><\/span><\/p>\n

messageMap \u662f\u4e00\u4e2a\u9759\u6001\u7ed3\u6784，\u5176 pfnGetBaseMap \u5b57\u6bb5\u5728 BEGIN_MESSAGE_MAP \u4e2d\u88ab\u521d\u59cb\u5316\u4e3a\u57fa\u7c7b\u7684 GetMessageMap \u8c03\u7528\u7ed3\u679c\u3002\u8fd9\u4e00\u8bbe\u8ba1\u4f7f\u5f97\u67e5\u627e\u53ef\u4ee5\u6cbf\u7ee7\u627f\u94fe\u5411\u4e0a\u56de\u6eaf，\u800c\u65e0\u9700\u5728\u8fd0\u884c\u671f\u8fdb\u884c\u7c7b\u578b\u4fe1\u606f\u67e5\u8be2\u3002<\/p>\n

55.3.3 BEGIN_MESSAGE_MAP \u4e0e\u9759\u6001\u521d\u59cb\u5316<\/h4>\n

#<\/span>define<\/span> BEGIN_MESSAGE_MAP<\/span>(<\/span>theClass,<\/span> baseClass)<\/span> <\/span>\\\\<\/span>
\n const<\/span> AFX_MSGMAP*<\/span> theClass::<\/span>GetMessageMap<\/span>(<\/span>)<\/span> const<\/span> <\/span>\\\\<\/span>
\n {<\/span> return<\/span> &<\/span>theClass::<\/span>messageMap;<\/span> }<\/span> <\/span>\\\\<\/span>
\n const<\/span> AFX_MSGMAP theClass::<\/span>messageMap =<\/span> <\/span>\\\\<\/span>
\n {<\/span> &<\/span>baseClass::<\/span>messageMap,<\/span> &<\/span>theClass::<\/span>_messageEntries[<\/span>0<\/span>]<\/span> }<\/span>;<\/span> <\/span>\\\\<\/span>
\n const<\/span> AFX_MSGMAP_ENTRY theClass::<\/span>_messageEntries[<\/span>]<\/span> =<\/span> {<\/span><\/span><\/span><\/p>\n

messageMap \u7684\u521d\u59cb\u5316\u5f15\u7528\u4e86 baseClass::messageMap \u7684\u5730\u5740，\u8fd9\u8981\u6c42\u57fa\u7c7b\u7684 messageMap \u5728\u94fe\u63a5\u671f\u5df2\u5b9a\u4e49\u3002\u7531\u4e8e\u6240\u6709\u6620\u5c04\u7ed3\u6784\u90fd\u662f\u9759\u6001\u7684\u3001\u7f16\u8bd1\u671f\u53ef\u77e5\u7684，\u94fe\u63a5\u5668\u53ef\u4ee5\u89e3\u6790\u8fd9\u4e9b\u8de8\u7ffb\u8bd1\u5355\u5143\u7684\u5f15\u7528\u3002_messageEntries \u6570\u7ec4\u4ee5 END_MESSAGE_MAP \u63d2\u5165\u7684\u54e8\u5175\u6761\u76ee（nMessage == 0 \u4e14 nSig == AfxSig_end）\u7ec8\u6b62，\u67e5\u627e\u5faa\u73af\u4ee5\u54e8\u5175\u4e3a\u8fb9\u754c\u6761\u4ef6\u3002<\/p>\n

55.3.4 \u5e38\u7528\u6620\u5c04\u5b8f\u7684\u8bed\u4e49\u5dee\u5f02<\/h4>\n\n\u5b8f\u5339\u914d\u6761\u4ef6\u5178\u578b\u7528\u9014<\/tr>\n\n\n\n\n\n\n
ON_COMMAND(id, fn)<\/td>\nWM_COMMAND，nID == id，nCode == 0<\/td>\n\u83dc\u5355\u3001\u5de5\u5177\u680f\u3001\u52a0\u901f\u952e<\/td>\n<\/tr>\n
ON_BN_CLICKED(id, fn)<\/td>\nWM_COMMAND，nID == id，nCode == BN_CLICKED<\/td>\n\u6309\u94ae\u70b9\u51fb<\/td>\n<\/tr>\n
ON_MESSAGE(msg, fn)<\/td>\nnMessage == msg，\u7b7e\u540d LRESULT (WPARAM, LPARAM)<\/td>\n\u81ea\u5b9a\u4e49\u6d88\u606f<\/td>\n<\/tr>\n
ON_WM_PAINT()<\/td>\nWM_PAINT，\u7b7e\u540d void ()<\/td>\n\u91cd\u7ed8<\/td>\n<\/tr>\n
ON_WM_TIMER()<\/td>\nWM_TIMER，\u7b7e\u540d void (UINT_PTR)<\/td>\n\u5b9a\u65f6\u5668<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

ON_COMMAND \u4e0e ON_BN_CLICKED \u5728\u6d88\u606f\u5c42\u9762\u7684\u533a\u522b\u4ec5\u5728\u4e8e nCode \u5b57\u6bb5：\u6309\u94ae\u70b9\u51fb\u662f WM_COMMAND \u7684\u4e00\u79cd\u7279\u5b9a\u901a\u77e5\u7801\u3002MFC \u5c06\u5b83\u4eec\u62c6\u5206\u4e3a\u4e0d\u540c\u5b8f，\u662f\u4e3a\u4e86\u5728\u58f0\u660e\u5904\u8868\u8fbe\u610f\u56fe，\u800c\u975e\u6539\u53d8\u5206\u6d3e\u673a\u5236\u3002<\/p>\n

\n

55.4 \u5bf9\u8bdd\u6846\u3001\u63a7\u4ef6\u4e0e DDX<\/h3>\n

55.4.1 \u6a21\u6001\u5bf9\u8bdd\u6846\u7684\u63a7\u5236\u6d41<\/h4>\n

CDialog::DoModal() \u521b\u5efa\u6a21\u6001\u5bf9\u8bdd\u6846\u5e76\u542f\u52a8\u4e00\u4e2a\u5c40\u90e8\u6d88\u606f\u5faa\u73af\u3002\u5728\u5bf9\u8bdd\u6846\u5173\u95ed\u4e4b\u524d，DoModal \u4e0d\u8fd4\u56de，\u4f46\u4e3b\u6d88\u606f\u5faa\u73af\u4ecd\u7136\u5728\u5904\u7406\u5176\u4ed6\u7a97\u53e3\u7684\u4e8b\u4ef6\u2014\u2014\u8fd9\u5e76\u975e\u56e0\u4e3a\u4e3b\u5faa\u73af\u88ab\u6682\u505c，\u800c\u662f\u56e0\u4e3a\u6a21\u6001\u5faa\u73af\u62e6\u622a\u4e86\u672c\u5e94\u53d1\u5f80\u7236\u7a97\u53e3\u7684\u8f93\u5165，\u5e76\u901a\u8fc7 EnableWindow(FALSE) \u7981\u7528\u4e86\u7236\u7a97\u53e3\u3002\u8fd4\u56de\u503c\u4e3a IDOK \u6216 IDCANCEL，\u8868\u793a\u5bf9\u8bdd\u6846\u4ee5\u786e\u8ba4\u8fd8\u662f\u53d6\u6d88\u7ed3\u675f\u3002<\/p>\n

55.4.2 DDX \u7684\u53cc\u5411\u4ea4\u6362\u6a21\u578b<\/h4>\n

DDX（Dialog Data Exchange）\u7684\u6838\u5fc3\u662f\u4e00\u4e2a\u65b9\u5411\u53d7\u63a7\u7684\u6279\u91cf\u540c\u6b65\u64cd\u4f5c\u3002UpdateData(BOOL bSaveAndValidate) \u521b\u5efa\u4e00\u4e2a CDataExchange \u5bf9\u8c61，\u5c06\u5176\u65b9\u5411\u6807\u5fd7\u8bbe\u4e3a bSaveAndValidate，\u7136\u540e\u8c03\u7528\u5bf9\u8bdd\u6846\u7c7b\u7684 DoDataExchange \u91cd\u5199\u3002DoDataExchange \u4e2d\u6bcf\u4e2a DDX_ \u8c03\u7528\u6839\u636e CDataExchange \u7684\u65b9\u5411\u51b3\u5b9a\u6570\u636e\u6d41\u5411：<\/p>\n

    \n
  • UpdateData(TRUE)：\u63a7\u4ef6\u503c \u2192 \u6210\u5458\u53d8\u91cf\u3002<\/li>\n
  • UpdateData(FALSE)：\u6210\u5458\u53d8\u91cf \u2192 \u63a7\u4ef6\u503c\u3002<\/li>\n<\/ul>\n

    void<\/span> CMyDialog<\/span>::<\/span>DoDataExchange<\/span>(<\/span>CDataExchange*<\/span> pDX)<\/span> {<\/span>
    \n CDialog<\/span>::<\/span>DoDataExchange<\/span>(<\/span>pDX)<\/span>;<\/span>
    \n DDX_Text<\/span>(<\/span>pDX,<\/span> IDC_NAME,<\/span> m_strName)<\/span>;<\/span>
    \n DDX_Text<\/span>(<\/span>pDX,<\/span> IDC_SCORE,<\/span> m_nScore)<\/span>;<\/span>
    \n DDV_MinMaxInt<\/span>(<\/span>pDX,<\/span> m_nScore,<\/span> 0<\/span>,<\/span> 100<\/span>)<\/span>;<\/span>
    \n}<\/span><\/p>\n

    DDV（Dialog Data Validation）\u7d27\u968f DDX \u4e4b\u540e\u6267\u884c，\u4ec5\u5728 bSaveAndValidate == TRUE（\u5373\u6570\u636e\u4ece\u63a7\u4ef6\u6d41\u5411\u53d8\u91cf）\u65f6\u751f\u6548：\u5b83\u6821\u9a8c\u521a\u88ab\u5199\u5165\u6210\u5458\u53d8\u91cf\u7684\u503c\u662f\u5426\u6ee1\u8db3\u7ea6\u675f，\u82e5\u4e0d\u6ee1\u8db3\u5219\u5f39\u51fa\u9519\u8bef\u63d0\u793a\u3001\u5c06\u7126\u70b9\u8bbe\u56de\u8fdd\u89c4\u63a7\u4ef6，\u5e76\u629b\u51fa\u5f02\u5e38\u4ee5\u4e2d\u6b62\u4ea4\u6362\u3002\u8fd9\u4e00\u201c\u4ea4\u6362\u540e\u6821\u9a8c\u201d\u7684\u987a\u5e8f\u4fdd\u8bc1\u4e86\u6821\u9a8c\u5bf9\u8c61\u662f\u5373\u5c06\u88ab\u7a0b\u5e8f\u4f7f\u7528\u7684\u503c，\u800c\u975e\u5373\u5c06\u88ab\u663e\u793a\u7684\u503c\u3002<\/p>\n

    DoDataExchange \u7531\u6846\u67b6\u5728\u591a\u4e2a\u65f6\u70b9\u81ea\u52a8\u8c03\u7528：OnInitDialog \u7684\u9ed8\u8ba4\u5b9e\u73b0\u8c03\u7528 UpdateData(FALSE) \u628a\u6210\u5458\u53d8\u91cf\u7684\u521d\u503c\u5237\u5230\u63a7\u4ef6；OnOK \u7684\u9ed8\u8ba4\u5b9e\u73b0\u8c03\u7528 UpdateData(TRUE) \u628a\u7528\u6237\u8f93\u5165\u6536\u56de\u6210\u5458\u53d8\u91cf\u3002\u7a0b\u5e8f\u5458\u901a\u5e38\u53ea\u9700\u5728\u6210\u5458\u53d8\u91cf\u58f0\u660e\u540e\u3001\u8c03\u7528 DoDataExchange \u4e4b\u524d\u8bbe\u7f6e\u521d\u503c，\u800c\u65e0\u9700\u624b\u52a8\u540c\u6b65\u3002<\/p>\n

    55.4.3 \u63a7\u4ef6\u5305\u88c5\u4e0e\u5b50\u7c7b\u5316<\/h4>\n

    DDX_Control \u628a\u4e00\u4e2a CWnd \u6d3e\u751f\u5bf9\u8c61（\u5982 CButton\u3001CEdit）\u7ed1\u5b9a\u5230\u5bf9\u8bdd\u6846\u4e2d\u7684\u63a7\u4ef6 ID，\u4f7f\u8be5\u5bf9\u8c61\u6210\u4e3a\u63a7\u4ef6\u53e5\u67c4\u7684 C++ \u5305\u88c5\u3002\u6b64\u540e\u53ef\u4ee5\u901a\u8fc7\u5bf9\u8c61\u8c03\u7528\u63a7\u4ef6\u65b9\u6cd5（\u5982 m_list.AddString(…)），\u800c\u65e0\u9700\u76f4\u63a5\u4f7f\u7528 SendMessage\u3002\u8fd9\u79cd\u7ed1\u5b9a\u662f\u6c38\u4e45\u6027\u7684：\u63a7\u4ef6\u5bf9\u8c61\u7684\u751f\u547d\u5468\u671f\u4e0e\u5bf9\u8bdd\u6846\u5bf9\u8c61\u4e00\u81f4，\u800c\u975e\u4ec5\u5728\u5355\u6b21\u6570\u636e\u4ea4\u6362\u671f\u95f4\u6709\u6548\u3002<\/p>\n

    \n

    55.5 \u8d44\u6e90\u6587\u4ef6\u4e0e\u754c\u9762\u5b9a\u4e49<\/h3>\n

    .rc \u6587\u4ef6\u662f Windows \u8d44\u6e90\u7f16\u8bd1\u5668（rc.exe）\u7684\u8f93\u5165，\u5b9a\u4e49\u5bf9\u8bdd\u6846\u6a21\u677f\u3001\u83dc\u5355\u3001\u56fe\u6807\u3001\u5b57\u7b26\u4e32\u8868\u3001\u52a0\u901f\u952e\u8868\u7b49\u3002\u8d44\u6e90\u5728\u7f16\u8bd1\u671f\u88ab\u7f16\u7801\u4e3a\u4e8c\u8fdb\u5236\u8d44\u6e90\u8282，\u94fe\u63a5\u8fdb PE \u6587\u4ef6；\u8fd0\u884c\u65f6\u901a\u8fc7 FindResource \/ LoadResource \u6309\u7c7b\u578b\u4e0e\u540d\u79f0\u67e5\u627e\u3002<\/p>\n

    \u4e00\u4e2a\u5bf9\u8bdd\u6846\u6a21\u677f\u7684\u6587\u672c\u5f62\u5f0f\u5982\u4e0b：<\/p>\n

    IDD_DIALOG1 DIALOGEX 0, 0, 300, 200
    \nSTYLE DS_SETFONT | WS_DLGFRAME
    \nFONT 9, "\u5b8b\u4f53"
    \nBEGIN
    \n LTEXT "\u8bf7\u8f93\u5165:", IDC_STATIC, 10, 10, 60, 20
    \n EDITTEXT IDC_EDIT, 80, 10, 200, 20
    \n DEFPUSHBUTTON "\u786e\u5b9a", IDOK, 100, 150, 80, 30
    \nEND<\/p>\n

    \u5750\u6807\u4ee5\u5bf9\u8bdd\u6846\u5355\u4f4d（Dialog Unit, DU）\u8868\u793a，\u800c\u975e\u50cf\u7d20\u3002\u5bf9\u8bdd\u6846\u5355\u4f4d\u7531\u7cfb\u7edf\u5b57\u4f53\u51b3\u5b9a：\u6c34\u5e73\u65b9\u5411\u4e00\u4e2a\u5355\u4f4d\u7b49\u4e8e\u5e73\u5747\u5b57\u7b26\u5bbd\u5ea6\u7684\u56db\u5206\u4e4b\u4e00，\u5782\u76f4\u65b9\u5411\u7b49\u4e8e\u5b57\u7b26\u9ad8\u5ea6\u7684\u516b\u5206\u4e4b\u4e00\u3002\u8fd9\u4e00\u673a\u5236\u4f7f\u5f97\u5bf9\u8bdd\u6846\u5728\u4e0d\u540c DPI \u4e0e\u4e0d\u540c\u7cfb\u7edf\u5b57\u4f53\u4e0b\u4fdd\u6301\u6bd4\u4f8b\u4e00\u81f4，\u4ee3\u4ef7\u662f\u50cf\u7d20\u5750\u6807\u9700\u8981\u7ecf\u8fc7\u4e00\u6b21\u57fa\u4e8e\u5b57\u4f53\u5ea6\u91cf\u7684\u6362\u7b97\u3002Resource.h \u4e2d\u7684 ID \u5b8f\u7531\u8d44\u6e90\u7f16\u8f91\u5668\u751f\u6210，\u4ee3\u7801\u4e0e\u8d44\u6e90\u901a\u8fc7\u6570\u503c ID \u5173\u8054，\u800c\u975e\u5b57\u7b26\u4e32\u540d\u79f0\u3002<\/p>\n

    \n

    55.6 \u6587\u6863\/\u89c6\u56fe\u67b6\u6784\u4e0e\u547d\u4ee4\u8def\u7531<\/h3>\n

    55.6.1 \u89c2\u5bdf\u8005\u6a21\u5f0f\u7684\u5b9e\u4f8b\u5316<\/h4>\n

    Document\/View \u662f\u89c2\u5bdf\u8005\u6a21\u5f0f\u5728 MFC \u4e2d\u7684\u5177\u4f53\u5b9e\u73b0：CDocument \u662f\u901a\u77e5\u8005，\u6301\u6709\u6570\u636e\u5e76\u7ef4\u62a4\u4e00\u4e2a\u6307\u5411\u5176\u6240\u6709\u89c6\u56fe\u7684\u6307\u9488\u5217\u8868；CView \u662f\u89c2\u5bdf\u8005，\u5728 OnDraw \u4e2d\u4ece\u6587\u6863\u8bfb\u53d6\u6570\u636e\u5e76\u7ed8\u5236\u3002\u5f53\u6587\u6863\u6570\u636e\u53d1\u751f\u53d8\u5316\u65f6，CDocument::UpdateAllViews \u904d\u5386\u89c6\u56fe\u5217\u8868，\u9010\u4e2a\u8c03\u7528\u89c6\u56fe\u7684 OnUpdate，\u4f7f\u6240\u6709\u89c6\u56fe\u540c\u6b65\u5237\u65b0\u3002<\/p>\n

    \u8bbe\u6587\u6863\u5173\u8054\u7684\u89c6\u56fe\u6570\u4e3a kk<\/span><\/span>k<\/span><\/span><\/span><\/span><\/span>，\u4e00\u6b21\u6570\u636e\u53d8\u66f4\u7684\u901a\u77e5\u4ee3\u4ef7\u4e3a
    \nCnotify=\u2211i=1kcupdate(i),
    \nC_{\\\\text{notify}} = \\\\sum_{i=1}^{k} c_{\\\\text{update}}^{(i)},
    \n<\/span><\/span>C<\/span><\/span>notify<\/span><\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>=<\/span><\/span><\/span><\/span><\/span>i<\/span>=<\/span>1<\/span><\/span><\/span><\/span><\/span>\u2211<\/span><\/span><\/span><\/span>k<\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>c<\/span><\/span>update<\/span><\/span><\/span><\/span><\/span><\/span>(<\/span>i<\/span>)<\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>,<\/span><\/span><\/span><\/span><\/span><\/span>
    \n\u5176\u4e2d cupdate(i)c_{\\\\text{update}}^{(i)}<\/span><\/span>c<\/span><\/span>update<\/span><\/span><\/span><\/span><\/span><\/span>(<\/span>i<\/span>)<\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span> \u662f\u7b2c ii<\/span><\/span>i<\/span><\/span><\/span><\/span><\/span> \u4e2a\u89c6\u56fe\u7684\u5237\u65b0\u4ee3\u4ef7\u3002\u8fd9\u4e00\u8bbe\u8ba1\u4f7f\u5f97\u540c\u4e00\u4efd\u6570\u636e\u53ef\u4ee5\u7528\u8868\u683c\u3001\u56fe\u8868\u6216\u4efb\u610f\u81ea\u5b9a\u4e49\u89c6\u56fe\u540c\u65f6\u5448\u73b0，\u800c\u65e0\u9700\u5728\u6570\u636e\u5c42\u611f\u77e5\u89c6\u56fe\u7684\u5b58\u5728\u3002\u4e0e Qt \u7684 Model\/View \u76f8\u6bd4，MFC \u7684 Document\/View \u7f3a\u5c11\u7d22\u5f15\u62bd\u8c61\u4e0e\u6309\u9700\u67e5\u8be2：\u89c6\u56fe\u901a\u5e38\u6301\u6709\u5bf9\u6587\u6863\u6570\u636e\u7684\u76f4\u63a5\u5f15\u7528\u6216\u6574\u4f53\u91cd\u7ed8，\u800c\u975e\u901a\u8fc7\u884c\u5217\u7d22\u5f15\u9010\u683c\u83b7\u53d6\u3002\u8fd9\u4e00\u5dee\u5f02\u5728\u6570\u636e\u91cf\u5927\u65f6\u8868\u73b0\u4e3a\u6027\u80fd\u5dee\u8ddd，\u4f46\u5728\u6587\u6863\u89c4\u6a21\u6709\u9650\u7684\u4f20\u7edf\u684c\u9762\u573a\u666f\u4e2d\u5e76\u4e0d\u6784\u6210\u74f6\u9888\u3002<\/p>\n

    55.6.2 \u547d\u4ee4\u8def\u7531\u7684\u94fe\u5f0f\u4f20\u64ad<\/h4>\n

    \u547d\u4ee4\u6d88\u606f（WM_COMMAND，\u6765\u81ea\u83dc\u5355\u3001\u5de5\u5177\u680f\u3001\u52a0\u901f\u952e）\u4e0d\u6cbf\u666e\u901a\u6d88\u606f\u6620\u5c04\u76f4\u63a5\u5206\u6d3e，\u800c\u662f\u8d70\u547d\u4ee4\u8def\u7531\u3002CCmdTarget::OnCmdMsg \u7684\u9ed8\u8ba4\u5b9e\u73b0\u5148\u5728\u5f53\u524d\u547d\u4ee4\u76ee\u6807\u7684\u7c7b\u6d88\u606f\u6620\u5c04\u4e2d\u67e5\u627e\u5904\u7406\u51fd\u6570；\u82e5\u672a\u547d\u4e2d，\u5219\u6cbf\u6807\u51c6\u8def\u7531\u94fe\u5c06\u547d\u4ee4\u4f20\u9012\u7ed9\u4e0b\u4e00\u4e2a\u76ee\u6807\u3002\u5178\u578b\u7684\u8def\u7531\u94fe\u4e3a
    \nView\u2192Document\u2192Frame\u2192App.
    \n\\\\text{View} \\\\to \\\\text{Document} \\\\to \\\\text{Frame} \\\\to \\\\text{App}.
    \n<\/span><\/span>View<\/span><\/span><\/span>\u2192<\/span><\/span><\/span><\/span>Document<\/span><\/span><\/span>\u2192<\/span><\/span><\/span><\/span>Frame<\/span><\/span><\/span>\u2192<\/span><\/span><\/span><\/span>App<\/span><\/span>.<\/span><\/span><\/span><\/span><\/span><\/span>
    \n\u6846\u67b6\u7a97\u53e3（CFrameWnd）\u5728\u6536\u5230\u547d\u4ee4\u540e，\u5148\u5c06\u5176\u4ea4\u7ed9\u5f53\u524d\u6d3b\u52a8\u89c6\u56fe，\u89c6\u56fe\u672a\u5904\u7406\u5219\u4ea4\u7ed9\u6587\u6863，\u4f9d\u6b64\u7c7b\u63a8\u3002\u8fd9\u4e00\u673a\u5236\u4f7f\u5f97\u547d\u4ee4\u5904\u7406\u53ef\u4ee5\u653e\u5728\u6700\u5408\u9002\u7684\u5c42\u7ea7：\u4e0e\u6570\u636e\u76f8\u5173\u7684\u547d\u4ee4\u653e\u5728 CDocument，\u4e0e\u754c\u9762\u5e03\u5c40\u76f8\u5173\u7684\u547d\u4ee4\u653e\u5728 CFrameWnd，\u5168\u5c40\u547d\u4ee4\u653e\u5728 CWinApp，\u800c\u65e0\u9700\u5728\u6bcf\u4e00\u5c42\u91cd\u590d\u6ce8\u518c\u3002<\/p>\n

    55.6.3 \u547d\u4ee4\u8def\u7531\u7684\u5de5\u7a0b\u542b\u4e49<\/h4>\n

    \u547d\u4ee4\u8def\u7531\u7684\u677e\u8026\u5408\u7279\u6027\u610f\u5473\u7740\u83dc\u5355\u9879\u7684\u53ef\u7528\u72b6\u6001\u4e0e\u547d\u4ee4\u5904\u7406\u51fd\u6570\u7684\u4f4d\u7f6e\u65e0\u5173\u3002\u4e00\u4e2a\u201c\u4fdd\u5b58\u201d\u547d\u4ee4\u65e0\u8bba\u5728\u89c6\u56fe\u3001\u6587\u6863\u8fd8\u662f\u5e94\u7528\u5c42\u5904\u7406，\u83dc\u5355\u9879\u7684\u70b9\u51fb\u90fd\u4f1a\u5230\u8fbe\u6b63\u786e\u7684\u5904\u7406\u51fd\u6570\u3002ON_UPDATE_COMMAND_UI \u8fdb\u4e00\u6b65\u5c06\u547d\u4ee4\u7684\u542f\u7528\/\u7981\u7528\u72b6\u6001\u4e0e\u5904\u7406\u51fd\u6570\u7ed1\u5b9a：\u5728\u83dc\u5355\u4e0b\u62c9\u6216\u5de5\u5177\u680f\u66f4\u65b0\u65f6，\u6846\u67b6\u8c03\u7528\u66f4\u65b0\u5904\u7406\u51fd\u6570，\u540e\u8005\u6839\u636e\u5f53\u524d\u6587\u6863\u72b6\u6001\u51b3\u5b9a\u662f\u5426\u7f6e\u7070\u83dc\u5355\u9879\u3002\u8fd9\u4f7f\u5f97\u754c\u9762\u72b6\u6001\u4e0e\u4e1a\u52a1\u72b6\u6001\u4e4b\u95f4\u4e0d\u9700\u8981\u624b\u52a8\u540c\u6b65\u3002<\/p>\n

    \n

    55.7 GDI \u7ed8\u56fe\u4e0e\u8bbe\u5907\u4e0a\u4e0b\u6587<\/h3>\n

    55.7.1 CDC \u7684\u5c01\u88c5\u8bed\u4e49<\/h4>\n

    CDC \u662f Win32 HDC \u7684 C++ \u5305\u88c5\u3002OnDraw(CDC* pDC) \u4e2d\u7684 pDC \u6307\u5411\u4e00\u4e2a\u5df2\u7ecf\u4e0e\u76ee\u6807\u8bbe\u5907\u5173\u8054\u7684\u8bbe\u5907\u4e0a\u4e0b\u6587：\u5728\u5c4f\u5e55\u7ed8\u5236\u65f6\u5173\u8054\u7a97\u53e3，\u5728\u6253\u5370\u65f6\u5173\u8054\u6253\u5370\u673a\u3002MFC \u901a\u8fc7 CView::OnDraw \u7684\u53c2\u6570\u62bd\u8c61，\u4f7f\u5f97\u540c\u4e00\u6bb5\u7ed8\u56fe\u4ee3\u7801\u53ef\u4ee5\u8f93\u51fa\u5230\u5c4f\u5e55\u6216\u6253\u5370\u673a，\u800c\u65e0\u9700\u533a\u5206\u8bbe\u5907\u7c7b\u578b\u3002<\/p>\n

    55.7.2 SelectObject \u7684\u53e5\u67c4\u5f52\u8fd8\u7ea6\u675f<\/h4>\n

    GDI \u5bf9\u8c61（\u753b\u7b14\u3001\u753b\u5237\u3001\u5b57\u4f53\u3001\u4f4d\u56fe）\u5728\u88ab\u9009\u5165\u8bbe\u5907\u4e0a\u4e0b\u6587\u540e，\u8bbe\u5907\u4e0a\u4e0b\u6587\u6301\u6709\u5bf9\u8be5\u5bf9\u8c61\u7684\u5f15\u7528\u3002SelectObject \u8fd4\u56de\u5148\u524d\u88ab\u9009\u5165\u7684\u540c\u7c7b\u5bf9\u8c61\u3002\u82e5\u8c03\u7528\u8005\u4e0d\u4fdd\u5b58\u5e76\u6700\u7ec8\u6062\u590d\u65e7\u5bf9\u8c61，\u8bbe\u5907\u4e0a\u4e0b\u6587\u5728\u9500\u6bc1\u65f6\u4ecd\u5f15\u7528\u7740\u65b0\u5bf9\u8c61，\u5bfc\u81f4 GDI \u53e5\u67c4\u6cc4\u6f0f\u3002\u8bbe\u8fdb\u7a0b\u7684 GDI \u53e5\u67c4\u914d\u989d\u4e3a QQ<\/span><\/span>Q<\/span><\/span><\/span><\/span><\/span>（Windows \u9ed8\u8ba4\u6bcf\u4e2a\u8fdb\u7a0b\u7ea6 10,000 \u4e2a），\u6bcf\u6b21\u6cc4\u6f0f\u4e00\u4e2a\u53e5\u67c4，\u5219\u7ecf\u8fc7 QQ<\/span><\/span>Q<\/span><\/span><\/span><\/span><\/span> \u6b21\u7ed8\u5236\u5468\u671f\u540e，CreatePen \u6216 SelectObject \u5c06\u5931\u8d25，\u7ed8\u5236\u9759\u9ed8\u9000\u5316\u6216\u7a0b\u5e8f\u5d29\u6e83\u3002<\/p>\n

    \u6b63\u786e\u7684\u6a21\u5f0f\u662f：<\/p>\n

    CBrush br<\/span>(<\/span>RGB<\/span>(<\/span>255<\/span>,<\/span> 0<\/span>,<\/span> 0<\/span>)<\/span>)<\/span>;<\/span>
    \nCBrush*<\/span> pOld =<\/span> pDC-><\/span>SelectObject<\/span>(<\/span>&<\/span>br)<\/span>;<\/span>
    \npDC-><\/span>Ellipse<\/span>(<\/span>30<\/span>,<\/span> 220<\/span>,<\/span> 120<\/span>,<\/span> 310<\/span>)<\/span>;<\/span>
    \npDC-><\/span>SelectObject<\/span>(<\/span>pOld)<\/span>;<\/span><\/p>\n

    pOld \u4fdd\u5b58\u7684\u662f\u8bbe\u5907\u4e0a\u4e0b\u6587\u7684\u539f\u59cb\u72b6\u6001，\u6062\u590d\u5b83\u662f\u5c06\u8bbe\u5907\u4e0a\u4e0b\u6587\u8fd8\u539f\u5230\u8c03\u7528\u524d\u72b6\u6001\u7684\u5fc5\u8981\u6761\u4ef6\u3002CDC::SaveDC() \/ RestoreDC() \u63d0\u4f9b\u4e86\u66f4\u7c97\u7c92\u5ea6\u7684\u72b6\u6001\u4fdd\u5b58\u4e0e\u6062\u590d，\u9002\u7528\u4e8e\u4e00\u6b21\u4fdd\u5b58\u591a\u4e2a\u5bf9\u8c61\u5c5e\u6027\u7684\u573a\u666f\u3002\u5728\u5f02\u5e38\u53ef\u80fd\u4e2d\u65ad\u7ed8\u5236\u7684\u4ee3\u7801\u8def\u5f84\u4e2d，SaveDC\/RestoreDC \u6bd4\u624b\u52a8\u4fdd\u5b58\u6bcf\u4e2a\u65e7\u5bf9\u8c61\u66f4\u53ef\u9760\u3002<\/p>\n

    55.7.3 OnDraw \u4e0e OnPaint \u7684\u5206\u5de5<\/h4>\n

    \u5728 Document\/View \u7a0b\u5e8f\u4e2d，\u7ed8\u5236\u901a\u5e38\u653e\u5728 CView::OnDraw(CDC*) \u4e2d，\u800c\u975e\u76f4\u63a5\u5904\u7406 WM_PAINT\u3002\u6846\u67b6\u5728 OnPaint \u4e2d\u51c6\u5907\u597d CPaintDC（\u5c01\u88c5 BeginPaint \/ EndPaint），\u7136\u540e\u8c03\u7528 OnDraw，\u4f7f OnDraw \u65e0\u9700\u5173\u5fc3\u7ed8\u5236\u662f\u5426\u53d1\u751f\u5728\u54cd\u5e94 WM_PAINT \u7684\u4e0a\u4e0b\u6587\u4e2d\u3002CPaintDC \u7684\u6784\u9020\u51fd\u6570\u8c03\u7528 BeginPaint，\u6790\u6784\u51fd\u6570\u8c03\u7528 EndPaint；\u82e5\u5728 OnPaint \u4e2d\u9519\u8bef\u5730\u4f7f\u7528 CClientDC \u800c\u975e CPaintDC，\u5c06\u5bfc\u81f4\u66f4\u65b0\u533a\u57df\u4e0d\u88ab\u6e05\u9664，\u5f15\u53d1\u91cd\u590d\u91cd\u7ed8\u3002<\/p>\n

    \n

    55.8 \u7efc\u5408\u5b9e\u6218：DDX \u9a71\u52a8\u7684\u5bf9\u8bdd\u6846\u8ba1\u7b97\u5668<\/h3>\n

    \u4ee5\u4e0b\u5bf9\u8bdd\u6846\u7c7b\u6f14\u793a\u4e86 DDX\u3001\u547d\u4ee4\u6620\u5c04\u4e0e\u8f93\u5165\u6821\u9a8c\u7684\u7ec4\u5408\u3002\u6210\u5458\u53d8\u91cf\u5728 DoDataExchange \u4e2d\u7ed1\u5b9a\u5230\u63a7\u4ef6，OnAdd \u4e0e OnSub \u901a\u8fc7 UpdateData(TRUE) \u8bfb\u53d6\u8f93\u5165，\u8ba1\u7b97\u540e\u901a\u8fc7 UpdateData(FALSE) \u5199\u56de\u7ed3\u679c\u3002<\/p>\n

    class<\/span> CCalcDlg<\/span> :<\/span> public<\/span> CDialog<\/span><\/span> {<\/span>
    \n DECLARE_MESSAGE_MAP<\/span>(<\/span>)<\/span>
    \npublic<\/span>:<\/span>
    \n CCalcDlg<\/span>(<\/span>CWnd*<\/span> p =<\/span> nullptr<\/span>)<\/span> :<\/span> CDialog<\/span>(<\/span>IDD_CALC,<\/span> p)<\/span> {<\/span>}<\/span>
    \n CString m_strA,<\/span> m_strB,<\/span> m_strRes;<\/span><\/p>\n

    void<\/span> DoDataExchange<\/span>(<\/span>CDataExchange*<\/span> pDX)<\/span> override<\/span> {<\/span>
    \n CDialog<\/span>::<\/span>DoDataExchange<\/span>(<\/span>pDX)<\/span>;<\/span>
    \n DDX_Text<\/span>(<\/span>pDX,<\/span> IDC_A,<\/span> m_strA)<\/span>;<\/span>
    \n DDX_Text<\/span>(<\/span>pDX,<\/span> IDC_B,<\/span> m_strB)<\/span>;<\/span>
    \n DDX_Text<\/span>(<\/span>pDX,<\/span> IDC_RES,<\/span> m_strRes)<\/span>;<\/span>
    \n }<\/span><\/p>\n

    void<\/span> DoCalc<\/span>(<\/span>int<\/span> op)<\/span> {<\/span>
    \n if<\/span> (<\/span>!<\/span>UpdateData<\/span>(<\/span>TRUE)<\/span>)<\/span> return<\/span>;<\/span> \/\/ \u8bfb\u5165\u5931\u8d25\u5219\u4e2d\u6b62<\/span>
    \n int<\/span> x =<\/span> _ttoi<\/span>(<\/span>m_strA)<\/span>;<\/span>
    \n int<\/span> y =<\/span> _ttoi<\/span>(<\/span>m_strB)<\/span>;<\/span>
    \n int<\/span> r =<\/span> (<\/span>op ==<\/span> 0<\/span>)<\/span> ?<\/span> x +<\/span> y :<\/span> x –<\/span> y;<\/span>
    \n m_strRes.<\/span>Format<\/span>(<\/span>_T<\/span>(<\/span>"%d"<\/span>)<\/span>,<\/span> r)<\/span>;<\/span>
    \n UpdateData<\/span>(<\/span>FALSE)<\/span>;<\/span> \/\/ \u5199\u56de\u663e\u793a<\/span>
    \n }<\/span>
    \n afx_msg void<\/span> OnAdd<\/span>(<\/span>)<\/span> {<\/span> DoCalc<\/span>(<\/span>0<\/span>)<\/span>;<\/span> }<\/span>
    \n afx_msg void<\/span> OnSub<\/span>(<\/span>)<\/span> {<\/span> DoCalc<\/span>(<\/span>1<\/span>)<\/span>;<\/span> }<\/span>
    \n}<\/span>;<\/span><\/p>\n

    BEGIN_MESSAGE_MAP<\/span>(<\/span>CCalcDlg,<\/span> CDialog)<\/span>
    \n ON_BN_CLICKED<\/span>(<\/span>IDC_ADD,<\/span> &<\/span>CCalcDlg::<\/span>OnAdd)<\/span>
    \n ON_BN_CLICKED<\/span>(<\/span>IDC_SUB,<\/span> &<\/span>CCalcDlg::<\/span>OnSub)<\/span>
    \nEND_MESSAGE_MAP<\/span>(<\/span>)<\/span><\/p>\n

    UpdateData(TRUE) \u7684\u8fd4\u56de\u503c\u8868\u793a\u4ea4\u6362\u4e0e\u6821\u9a8c\u662f\u5426\u5168\u90e8\u6210\u529f\u3002\u82e5 DDV_ \u6821\u9a8c\u5931\u8d25，\u4ea4\u6362\u88ab\u5f02\u5e38\u4e2d\u6b62，\u8fd4\u56de FALSE；\u8c03\u7528\u65b9\u5e94\u5728\u6b64\u60c5\u51b5\u4e0b\u653e\u5f03\u540e\u7eed\u8ba1\u7b97，\u800c\u4e0d\u662f\u4f7f\u7528\u53ef\u80fd\u672a\u66f4\u65b0\u7684\u6210\u5458\u53d8\u91cf\u3002_ttoi \u5bf9\u975e\u6570\u5b57\u5b57\u7b26\u4e32\u8fd4\u56de 0 \u4e14\u4e0d\u62a5\u544a\u9519\u8bef，\u56e0\u6b64\u82e5\u8981\u533a\u5206\u201c\u8f93\u5165 0\u201d\u4e0e\u201c\u8f93\u5165\u975e\u6cd5\u201d，\u9700\u8981\u5728 DoDataExchange \u4e2d\u6dfb\u52a0 DDV_MinMaxInt \u6216\u81ea\u5b9a\u4e49\u6821\u9a8c\u3002<\/p>\n

    \n

    55.9 MFC \u4e0e Qt \u7684\u67b6\u6784\u5dee\u5f02<\/h3>\n\n\u7ef4\u5ea6MFCQt<\/tr>\n\n\n\n\n\n\n\n
    \u4e8b\u4ef6\u5206\u6d3e<\/td>\n\u6d88\u606f\u6620\u5c04\u8868 + \u57fa\u7c7b\u94fe\u67e5\u627e<\/td>\n\u4fe1\u53f7\u69fd，\u5143\u5bf9\u8c61\u7cfb\u7edf\u8fd0\u884c\u671f\u89e3\u6790<\/td>\n<\/tr>\n
    \u8026\u5408\u65b9\u5f0f<\/td>\n\u53d1\u9001\u8005\u4e0e\u63a5\u6536\u8005\u901a\u8fc7\u6d88\u606f ID \u95f4\u63a5\u5173\u8054<\/td>\nconnect \u5efa\u7acb\u6709\u5411\u8fde\u63a5，\u53d1\u9001\u8005\u4e0d\u611f\u77e5\u63a5\u6536\u8005<\/td>\n<\/tr>\n
    \u547d\u4ee4\u5904\u7406<\/td>\n\u6cbf View\u2192Doc\u2192Frame\u2192App \u8def\u7531<\/td>\n\u4efb\u610f\u5bf9\u8c61\u901a\u8fc7 connect \u63a5\u6536<\/td>\n<\/tr>\n
    \u754c\u9762\u63cf\u8ff0<\/td>\n.rc \u8d44\u6e90，\u5bf9\u8bdd\u6846\u5355\u4f4d<\/td>\n.ui \u6216\u4ee3\u7801，\u50cf\u7d20\/\u5e03\u5c40\u7ea6\u675f<\/td>\n<\/tr>\n
    \u7ed8\u56fe<\/td>\nCDC + GDI \u53e5\u67c4<\/td>\nQPainter + \u8bbe\u5907\u62bd\u8c61<\/td>\n<\/tr>\n
    \u8de8\u5e73\u53f0<\/td>\n\u4ec5 Windows<\/td>\nWindows \/ Linux \/ macOS \/ \u5d4c\u5165\u5f0f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    MFC \u7684\u6d88\u606f\u6620\u5c04\u4e0e Qt \u7684\u4fe1\u53f7\u69fd\u5728\u5206\u6d3e\u65f6\u673a\u4e0a\u5b58\u5728\u7ed3\u6784\u6027\u5dee\u5f02：MFC \u5728\u6d88\u606f\u5230\u8fbe\u7a97\u53e3\u8fc7\u7a0b\u4e4b\u540e\u624d\u67e5\u627e\u5904\u7406\u51fd\u6570，\u67e5\u627e\u662f\u62c9\u53d6\u5f0f\u7684；Qt \u5728 connect \u65f6\u5efa\u7acb\u8fde\u63a5\u5173\u7cfb，\u53d1\u5c04\u4fe1\u53f7\u65f6\u6309\u5df2\u5efa\u7acb\u7684\u8fde\u63a5\u8868\u63a8\u9001\u8c03\u7528\u3002\u524d\u8005\u7684\u4f18\u52bf\u662f\u96f6\u8fd0\u884c\u671f\u8fde\u63a5\u7ba1\u7406\u5f00\u9500，\u540e\u8005\u7684\u4f18\u52bf\u662f\u53d1\u9001\u8005\u4e0e\u63a5\u6536\u8005\u5b8c\u5168\u89e3\u8026\u3001\u8fde\u63a5\u5173\u7cfb\u53ef\u4ee5\u5728\u8fd0\u884c\u671f\u52a8\u6001\u4fee\u6539\u3002\u5728\u6027\u80fd\u4e0a，MFC \u7684\u76f4\u63a5\u6d88\u606f\u5904\u7406\u901a\u5e38\u6bd4 Qt \u7684\u4fe1\u53f7\u69fd\u7565\u5feb，\u56e0\u4e3a\u540e\u8005\u9700\u8981\u7ecf\u8fc7\u5143\u5bf9\u8c61\u67e5\u627e\u4e0e\u53c2\u6570\u6253\u5305；\u4f46\u8fd9\u4e00\u5dee\u8ddd\u5728\u7edd\u5927\u591a\u6570\u754c\u9762\u4ea4\u4e92\u4e2d\u5e76\u975e\u74f6\u9888，\u800c Qt \u7684\u8de8\u5e73\u53f0\u4e0e\u5f00\u53d1\u6548\u7387\u6536\u76ca\u901a\u5e38\u8fdc\u8d85\u8fd9\u4e00\u5f00\u9500\u3002<\/p>\n

    \n

    55.10 \u4e60\u9898\u4e0e\u7b54\u6848<\/h3>\n

    \u4e60\u9898 55.1（\u6982\u5ff5\u9898）<\/h4>\n

    \u95ee：MFC \u4e3a\u4ec0\u4e48\u7528\u6d88\u606f\u6620\u5c04\u8868\u800c\u4e0d\u662f\u4e3a\u6bcf\u79cd\u6d88\u606f\u58f0\u660e\u865a\u51fd\u6570？<\/p>\n

    \u7b54：\u4e3a\u6570\u767e\u79cd\u7cfb\u7edf\u6d88\u606f\u58f0\u660e\u865a\u51fd\u6570\u4f1a\u5bfc\u81f4\u6bcf\u4e2a CWnd \u6d3e\u751f\u7c7b\u7684 vtable \u6781\u5176\u5e9e\u5927，\u4e14\u7cfb\u7edf\u65b0\u589e\u6d88\u606f\u4f1a\u6539\u53d8 vtable \u5e03\u5c40\u3001\u7834\u574f\u4e8c\u8fdb\u5236\u517c\u5bb9\u6027\u3002\u6d88\u606f\u6620\u5c04\u7528\u9759\u6001\u6570\u7ec4\u5b58\u50a8\u201c\u6d88\u606f ID \u2192 \u5904\u7406\u51fd\u6570\u201d\u7684\u6620\u5c04，\u53ea\u6709\u88ab\u5904\u7406\u7684\u6d88\u606f\u624d\u4ea7\u751f\u6761\u76ee，\u65b0\u589e\u6d88\u606f\u4e0d\u6539\u53d8\u7c7b\u5e03\u5c40\u3002\u4ee3\u4ef7\u662f\u8fd0\u884c\u671f\u9700\u8981\u4e00\u6b21\u8868\u67e5\u627e，MFC \u901a\u8fc7\u6700\u8fd1\u6d88\u606f\u54c8\u5e0c\u7f13\u51b2\u6c60\u5c06\u91cd\u590d\u6d88\u606f\u7684\u67e5\u627e\u964d\u4e3a O(1)O(1)<\/span><\/span>O<\/span>(<\/span>1<\/span>)<\/span><\/span><\/span><\/span><\/span>\u3002<\/p>\n

    \u4e60\u9898 55.2（\u6982\u5ff5\u9898）<\/h4>\n

    \u95ee：DECLARE_MESSAGE_MAP \u4e0e BEGIN_MESSAGE_MAP \u5404\u81ea\u751f\u6210\u4e86\u4ec0\u4e48？<\/p>\n

    \u7b54：DECLARE_MESSAGE_MAP \u5728\u7c7b\u4e2d\u58f0\u660e _messageEntries \u9759\u6001\u6570\u7ec4\u3001messageMap \u9759\u6001\u7ed3\u6784\u548c\u865a\u51fd\u6570 GetMessageMap()\u3002BEGIN_MESSAGE_MAP \u5b9a\u4e49 GetMessageMap \u7684\u5b9e\u73b0\u3001\u521d\u59cb\u5316 messageMap（\u5176\u4e2d\u57fa\u7c7b\u6307\u9488\u6307\u5411 baseClass::messageMap），\u5e76\u5f00\u59cb _messageEntries \u6570\u7ec4\u7684\u5b9a\u4e49；END_MESSAGE_MAP \u63d2\u5165\u54e8\u5175\u6761\u76ee\u5e76\u95ed\u5408\u6570\u7ec4\u3002<\/p>\n

    \u4e60\u9898 55.3（\u6982\u5ff5\u9898）<\/h4>\n

    \u95ee：UpdateData(TRUE) \u4e0e UpdateData(FALSE) \u7684\u6570\u636e\u6d41\u5411\u5206\u522b\u662f\u4ec0\u4e48？DDV \u6821\u9a8c\u5728\u54ea\u4e2a\u65b9\u5411\u751f\u6548？<\/p>\n

    \u7b54：UpdateData(TRUE) \u628a\u63a7\u4ef6\u4e2d\u7684\u503c\u8bfb\u5165\u6210\u5458\u53d8\u91cf；UpdateData(FALSE) \u628a\u6210\u5458\u53d8\u91cf\u7684\u503c\u5199\u5165\u63a7\u4ef6\u3002DDV \u6821\u9a8c\u4ec5\u5728 TRUE \u65b9\u5411\u751f\u6548，\u5373\u5728\u6821\u9a8c\u4ece\u63a7\u4ef6\u8bfb\u5165\u7684\u503c，\u56e0\u4e3a\u8fd9\u662f\u5373\u5c06\u88ab\u7a0b\u5e8f\u4f7f\u7528\u7684\u6570\u636e\u3002<\/p>\n

    \u4e60\u9898 55.4（\u6982\u5ff5\u9898）<\/h4>\n

    \u95ee：Document\/View \u4e2d UpdateAllViews \u7684\u4f5c\u7528\u662f\u4ec0\u4e48？\u5b83\u4e0e\u89c2\u5bdf\u8005\u6a21\u5f0f\u7684\u5bf9\u5e94\u5173\u7cfb\u5982\u4f55？<\/p>\n

    \u7b54：UpdateAllViews \u904d\u5386\u6587\u6863\u5173\u8054\u7684\u6240\u6709\u89c6\u56fe，\u8c03\u7528\u6bcf\u4e2a\u89c6\u56fe\u7684 OnUpdate，\u4f7f\u5b83\u4eec\u4f9d\u636e\u6587\u6863\u7684\u6700\u65b0\u6570\u636e\u5237\u65b0\u3002\u6587\u6863\u662f\u89c2\u5bdf\u8005\u6a21\u5f0f\u4e2d\u7684 Subject，\u89c6\u56fe\u662f Observer；UpdateAllViews \u662f Subject \u7684\u72b6\u6001\u53d8\u66f4\u901a\u77e5，OnUpdate \u662f Observer \u7684\u66f4\u65b0\u63a5\u53e3\u3002<\/p>\n

    \u4e60\u9898 55.5（\u6982\u5ff5\u9898）<\/h4>\n

    \u95ee：\u547d\u4ee4\u8def\u7531\u4e3a\u4ec0\u4e48\u8981\u628a\u547d\u4ee4\u6cbf View\u2192Document\u2192Frame\u2192App \u4f20\u9012，\u800c\u4e0d\u662f\u76f4\u63a5\u5728\u7a97\u53e3\u8fc7\u7a0b\u4e2d\u5904\u7406？<\/p>\n

    \u7b54：\u547d\u4ee4\u7684\u5904\u7406\u903b\u8f91\u53ef\u80fd\u4f9d\u8d56\u4e0d\u540c\u5c42\u7ea7\u7684\u72b6\u6001：\u4e0e\u6570\u636e\u76f8\u5173\u7684\u547d\u4ee4\u9002\u5408\u653e\u5728\u6587\u6863，\u4e0e\u89c6\u56fe\u5448\u73b0\u76f8\u5173\u7684\u9002\u5408\u653e\u5728\u89c6\u56fe，\u5168\u5c40\u547d\u4ee4\u9002\u5408\u653e\u5728\u5e94\u7528\u3002\u8def\u7531\u673a\u5236\u5141\u8bb8\u628a\u5904\u7406\u51fd\u6570\u653e\u5728\u6700\u5408\u9002\u7684\u5c42\u7ea7，\u800c\u65e0\u9700\u5728\u6bcf\u4e2a\u53ef\u80fd\u63a5\u6536\u547d\u4ee4\u7684\u5bf9\u8c61\u4e0a\u91cd\u590d\u6ce8\u518c；\u83dc\u5355\u9879\u7684\u53ef\u7528\u6027\u4e5f\u53ef\u4ee5\u901a\u8fc7 ON_UPDATE_COMMAND_UI \u5728\u6b63\u786e\u7684\u5c42\u7ea7\u52a8\u6001\u51b3\u5b9a\u3002<\/p>\n

    \u4e60\u9898 55.6（\u6982\u5ff5\u9898）<\/h4>\n

    \u95ee：SelectObject \u8fd4\u56de\u7684\u65e7\u5bf9\u8c61\u4e3a\u4ec0\u4e48\u5fc5\u987b\u6062\u590d？\u4e0d\u6062\u590d\u4f1a\u5bfc\u81f4\u4ec0\u4e48？<\/p>\n

    \u7b54：\u8bbe\u5907\u4e0a\u4e0b\u6587\u5728\u88ab\u9500\u6bc1\u65f6\u4ecd\u5f15\u7528\u7740\u88ab\u9009\u5165\u7684\u65b0\u5bf9\u8c61，\u8be5 GDI \u5bf9\u8c61\u7684\u5f15\u7528\u8ba1\u6570\u4e0d\u4f1a\u5f52\u96f6，\u5bfc\u81f4\u53e5\u67c4\u6cc4\u6f0f\u3002\u6bcf\u4e2a\u8fdb\u7a0b\u7684 GDI \u53e5\u67c4\u914d\u989d\u6709\u9650（\u7ea6 10,000 \u4e2a），\u6cc4\u6f0f\u8017\u5c3d\u914d\u989d\u540e，\u540e\u7eed CreatePen\u3001SelectObject \u5c06\u5931\u8d25，\u7ed8\u5236\u9759\u9ed8\u9000\u5316\u6216\u7a0b\u5e8f\u5d29\u6e83\u3002\u6062\u590d\u65e7\u5bf9\u8c61\u662f\u5c06\u8bbe\u5907\u4e0a\u4e0b\u6587\u8fd8\u539f\u5230\u8c03\u7528\u524d\u72b6\u6001\u7684\u5fc5\u8981\u6b65\u9aa4\u3002<\/p>\n

    \u4e60\u9898 55.7（\u6982\u5ff5\u9898）<\/h4>\n

    \u95ee：MFC \u7684\u6d88\u606f\u6620\u5c04\u4e0e Qt \u7684\u4fe1\u53f7\u69fd\u5728\u201c\u5206\u6d3e\u65f6\u673a\u201d\u4e0a\u6709\u4f55\u672c\u8d28\u5dee\u5f02？<\/p>\n

    \u7b54：MFC \u5728\u6d88\u606f\u5230\u8fbe\u7a97\u53e3\u8fc7\u7a0b\u540e\u6309\u6d88\u606f ID \u67e5\u627e\u5904\u7406\u51fd\u6570，\u662f\u62c9\u53d6\u5f0f\u7684\u3001\u5728\u63a5\u6536\u7aef\u9a71\u52a8\u7684\u5206\u6d3e；Qt \u5728 connect \u65f6\u5efa\u7acb\u8fde\u63a5\u5173\u7cfb，\u4fe1\u53f7\u53d1\u5c04\u65f6\u6309\u8fde\u63a5\u8868\u63a8\u9001\u8c03\u7528，\u662f\u53d1\u9001\u7aef\u9a71\u52a8\u7684\u5206\u6d3e\u3002\u524d\u8005\u65e0\u8fd0\u884c\u671f\u8fde\u63a5\u7ba1\u7406\u5f00\u9500，\u540e\u8005\u5b9e\u73b0\u4e86\u53d1\u9001\u8005\u4e0e\u63a5\u6536\u8005\u7684\u5b8c\u5168\u89e3\u8026\u3002<\/p>\n

    \n

    55.11 \u7f16\u7a0b\u9898<\/h3>\n

    55.1 \u6700\u5c0f MFC \u7a97\u53e3\u3002 \u7f16\u5199 CWinApp + CFrameWnd \u7684\u6700\u5c0f\u7a0b\u5e8f，\u9a8c\u8bc1 InitInstance \u7684\u8c03\u7528\u65f6\u673a\u4e0e ShowWindow \u7684\u5fc5\u8981\u6027\u3002\u5728 InitInstance \u4e2d\u6545\u610f\u4e0d\u8c03\u7528 ShowWindow，\u89c2\u5bdf\u7a0b\u5e8f\u884c\u4e3a\u3002<\/p>\n

    55.2 \u6d88\u606f\u6620\u5c04\u7684\u67e5\u627e\u8def\u5f84\u3002 \u5728\u6d3e\u751f\u7c7b\u4e2d\u53ea\u5904\u7406 WM_LBUTTONDOWN，\u5728\u57fa\u7c7b\u4e2d\u5904\u7406 WM_PAINT\u3002\u7528\u8c03\u8bd5\u5668\u5728 OnWndMsg \u7684\u67e5\u627e\u5faa\u73af\u5904\u89c2\u5bdf：\u70b9\u51fb\u9f20\u6807\u65f6\u67e5\u627e\u5728\u6d3e\u751f\u7c7b\u6570\u7ec4\u547d\u4e2d，\u91cd\u7ed8\u65f6\u67e5\u627e\u56de\u6eaf\u5230\u57fa\u7c7b\u6570\u7ec4\u3002\u8bb0\u5f55\u6bcf\u6b21\u67e5\u627e\u7684\u6bd4\u8f83\u6b21\u6570\u3002<\/p>\n

    55.3 DDX \u53cc\u5411\u540c\u6b65\u3002 \u7f16\u5199\u5bf9\u8bdd\u6846，\u5305\u542b\u4e24\u4e2a\u7f16\u8f91\u6846\u7ed1\u5b9a\u5230 CString \u6210\u5458\u3002\u5728\u6309\u94ae\u70b9\u51fb\u65f6\u5148\u4fee\u6539\u6210\u5458\u53d8\u91cf\u518d\u8c03\u7528 UpdateData(FALSE)，\u89c2\u5bdf\u63a7\u4ef6\u5185\u5bb9\u662f\u5426\u66f4\u65b0；\u518d\u8c03\u7528 UpdateData(TRUE)，\u89c2\u5bdf\u6210\u5458\u53d8\u91cf\u662f\u5426\u88ab\u63a7\u4ef6\u5185\u5bb9\u8986\u76d6\u3002<\/p>\n

    55.4 DDV \u6821\u9a8c\u5931\u8d25\u8def\u5f84\u3002 \u4e3a\u5206\u6570\u7f16\u8f91\u6846\u6dfb\u52a0 DDV_MinMaxInt(0, 100)，\u8f93\u5165 150 \u540e\u70b9\u51fb\u786e\u5b9a\u3002\u89c2\u5bdf UpdateData(TRUE) \u7684\u8fd4\u56de\u503c\u3001\u7126\u70b9\u4f4d\u7f6e\u4e0e\u5f39\u51fa\u6d88\u606f\u3002\u9a8c\u8bc1\u5728 DoCalc \u4e2d\u68c0\u67e5\u8fd4\u56de\u503c\u4e0e\u4e0d\u68c0\u67e5\u8fd4\u56de\u503c\u7684\u5dee\u5f02\u3002<\/p>\n

    55.5 \u547d\u4ee4\u8def\u7531\u5b9a\u4f4d\u3002 \u5728 Document \u4e0e View \u4e2d\u5206\u522b\u4e3a\u540c\u4e00\u4e2a\u83dc\u5355\u547d\u4ee4\u6dfb\u52a0\u5904\u7406\u51fd\u6570，\u7528\u8c03\u8bd5\u5668\u89c2\u5bdf\u54ea\u4e2a\u5148\u88ab\u8c03\u7528\u3002\u79fb\u9664 View \u4e2d\u7684\u5904\u7406\u51fd\u6570，\u786e\u8ba4\u547d\u4ee4\u8def\u7531\u5230 Document\u3002<\/p>\n

    55.6 GDI \u53e5\u67c4\u6cc4\u6f0f\u89c2\u6d4b\u3002 \u7f16\u5199\u4e00\u4e2a\u81ea\u7ed8\u63a7\u4ef6，\u5728 OnPaint \u4e2d\u521b\u5efa CPen \u5e76 SelectObject \u4f46\u4e0d\u6062\u590d\u65e7\u5bf9\u8c61，\u4ee5\u9ad8\u9891\u5b9a\u65f6\u5668\u89e6\u53d1\u91cd\u7ed8\u3002\u7528\u4efb\u52a1\u7ba1\u7406\u5668\u7684\u201cGDI \u5bf9\u8c61\u201d\u5217\u89c2\u5bdf\u53e5\u67c4\u6570\u6301\u7eed\u589e\u957f；\u7136\u540e\u52a0\u5165\u6062\u590d\u4ee3\u7801，\u786e\u8ba4\u53e5\u67c4\u6570\u7a33\u5b9a\u3002<\/p>\n

    \n

    55.12 \u7b97\u6cd5\u9898<\/h3>\n

    55.1 \u6d88\u606f\u6620\u5c04\u8868\u7684\u6a21\u62df\u3002 \u7528 std::vector<Entry> \u5b9e\u73b0\u4e00\u4e2a\u7b80\u5316\u6d88\u606f\u6620\u5c04：Entry \u5305\u542b\u6d88\u606f ID \u4e0e\u51fd\u6570\u6307\u9488，find \u4ece\u5f53\u524d\u8868\u7ebf\u6027\u626b\u63cf，\u672a\u547d\u4e2d\u5219\u6cbf base \u6307\u9488\u9012\u5f52\u3002\u6bd4\u8f83\u7ebf\u6027\u626b\u63cf\u4e0e\u54c8\u5e0c\u7f13\u5b58\u4e24\u79cd\u5b9e\u73b0\u5728\u4e00\u4e07\u6b21\u968f\u673a\u67e5\u627e\u4e2d\u7684\u8017\u65f6，\u9a8c\u8bc1\u7f13\u5b58\u5bf9\u91cd\u590d\u6d88\u606f\u7684\u52a0\u901f\u6548\u679c\u3002<\/p>\n

    55.2 \u5bf9\u8bdd\u6846\u5e03\u5c40\u7684\u5750\u6807\u6362\u7b97\u3002 \u7ed9\u5b9a\u5bf9\u8bdd\u6846\u6a21\u677f\u4e2d\u7684\u5bf9\u8bdd\u6846\u5355\u4f4d\u5750\u6807\u4e0e\u7cfb\u7edf\u5b57\u4f53\u7684\u5e73\u5747\u5b57\u7b26\u5bbd\u5ea6 wcw_c<\/span><\/span>w<\/span><\/span>c<\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span> \u4e0e\u5b57\u7b26\u9ad8\u5ea6 hch_c<\/span><\/span>h<\/span><\/span>c<\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>，\u5b9e\u73b0\u50cf\u7d20\u5750\u6807\u6362\u7b97：
    \nxpx=xDU\u22c5wc4,ypx=yDU\u22c5hc8.
    \nx_{\\\\text{px}} = \\\\frac{x_{\\\\text{DU}} \\\\cdot w_c}{4}, \\\\qquad y_{\\\\text{px}} = \\\\frac{y_{\\\\text{DU}} \\\\cdot h_c}{8}.
    \n<\/span><\/span>x<\/span><\/span>px<\/span><\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>=<\/span><\/span><\/span><\/span><\/span><\/span>4<\/span><\/span><\/span><\/span><\/span><\/span><\/span>x<\/span><\/span>DU<\/span><\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u22c5<\/span><\/span>w<\/span><\/span>c<\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>,<\/span><\/span><\/span>y<\/span><\/span>px<\/span><\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>=<\/span><\/span><\/span><\/span><\/span><\/span>8<\/span><\/span><\/span><\/span><\/span><\/span><\/span>y<\/span><\/span>DU<\/span><\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u22c5<\/span><\/span>h<\/span><\/span>c<\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>.<\/span><\/span><\/span><\/span><\/span><\/span>
    \n\u9a8c\u8bc1\u6362\u7b97\u7ed3\u679c\u4e0e MapDialogRect \u7684\u8f93\u51fa\u662f\u5426\u4e00\u81f4\u3002<\/p>\n

    55.3 \u547d\u4ee4\u8def\u7531\u7684\u6a21\u62df\u3002 \u7528\u94fe\u5f0f\u7ed3\u6784\u5efa\u6a21 View\u2192Document\u2192Frame\u2192App \u7684\u547d\u4ee4\u8def\u7531：\u6bcf\u4e2a\u8282\u70b9\u6301\u6709\u4e00\u4e2a\u201c\u547d\u4ee4 ID \u2192 \u5904\u7406\u51fd\u6570\u201d\u7684\u6620\u5c04，OnCmdMsg \u5728\u5f53\u524d\u8282\u70b9\u67e5\u627e，\u672a\u547d\u4e2d\u5219\u8c03\u7528\u4e0b\u4e00\u8282\u70b9\u7684 OnCmdMsg\u3002\u5b9e\u73b0\u8be5\u94fe\u5e76\u9a8c\u8bc1\u547d\u4ee4\u5728\u6b63\u786e\u5c42\u7ea7\u88ab\u5904\u7406\u3002<\/p>\n

    55.4 _ttoi \u7684\u5b89\u5168\u5b9e\u73b0\u3002 \u5b9e\u73b0\u4e00\u4e2a\u8de8\u5e73\u53f0\u7684\u5b57\u7b26\u4e32\u8f6c\u6574\u6570\u51fd\u6570，\u8981\u6c42：\u8df3\u8fc7\u524d\u5bfc\u7a7a\u767d\u3001\u8bc6\u522b\u6b63\u8d1f\u53f7\u3001\u62d2\u7edd\u975e\u6570\u5b57\u540e\u7f00（\u800c\u975e\u9759\u9ed8\u8fd4\u56de 0）\u3001\u62a5\u544a\u6ea2\u51fa\u3002\u7ed9\u51fa\u4e0e _ttoi \u5728\u975e\u6cd5\u8f93\u5165\u4e0b\u7684\u884c\u4e3a\u5bf9\u6bd4\u3002<\/p>\n

    55.5 \u8868\u8fbe\u5f0f\u6c42\u503c\u63a5\u5165\u5bf9\u8bdd\u6846\u3002 \u5c06\u7b2c51\u7ae0\u7684\u53cc\u6808\u4e2d\u7f00\u6c42\u503c\u5668\u63a5\u5165 MFC \u5bf9\u8bdd\u6846\u8ba1\u7b97\u5668，\u66ff\u6362 _ttoi \u7684\u7b80\u5355\u52a0\u51cf\u903b\u8f91，\u652f\u6301\u62ec\u53f7\u4e0e\u4e58\u9664\u3002\u7528 UpdateData(TRUE) \u8bfb\u53d6\u8868\u8fbe\u5f0f\u5b57\u7b26\u4e32，\u6c42\u503c\u540e\u5199\u56de\u7ed3\u679c\u3002<\/p>\n

    55.6 \u6587\u6863\u591a\u89c6\u56fe\u540c\u6b65\u3002 \u8bbe\u8ba1\u4e00\u4e2a\u5305\u542b\u8868\u683c\u89c6\u56fe\u4e0e\u6587\u672c\u89c6\u56fe\u7684\u6587\u6863：\u4e24\u4e2a\u89c6\u56fe\u5747\u6d3e\u751f\u81ea CView，\u6587\u6863\u5728\u6570\u636e\u53d8\u66f4\u65f6\u8c03\u7528 UpdateAllViews\u3002\u9a8c\u8bc1\u5728\u4e00\u4e2a\u89c6\u56fe\u4e2d\u4fee\u6539\u6570\u636e\u540e，\u53e6\u4e00\u4e2a\u89c6\u56fe\u662f\u5426\u540c\u6b65\u66f4\u65b0；\u5206\u6790 OnUpdate \u7684\u53c2\u6570 lHint \u5982\u4f55\u7528\u4e8e\u533a\u5206\u53d8\u66f4\u7c7b\u578b\u4ee5\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5168\u91cf\u5237\u65b0\u3002<\/p>\n

    \n

    55.13 \u5e38\u89c1\u7f3a\u9677\u4e0e\u5de5\u7a0b\u5bf9\u7b56<\/h3>\n

    \u7b2c\u4e00\u7c7b：\u6d88\u606f\u6620\u5c04\u5b8f\u4e0d\u5b8c\u6574\u3002 DECLARE_MESSAGE_MAP \u5b58\u5728\u4e8e\u7c7b\u4e2d\u4f46\u7f3a\u5c11 BEGIN_MESSAGE_MAP \/ END_MESSAGE_MAP，\u6216\u53cd\u4e4b\u3002\u94fe\u63a5\u671f\u62a5\u544a\u672a\u89e3\u6790\u7684 messageMap \u6216 GetMessageMap\u3002\u5bf9\u7b56\u662f\u786e\u4fdd\u4e09\u4e2a\u5b8f\u6210\u7ec4\u51fa\u73b0，\u4e14 BEGIN_MESSAGE_MAP \u7684\u7b2c\u4e8c\u4e2a\u53c2\u6570\u5fc5\u987b\u662f\u6b63\u786e\u7684\u76f4\u63a5\u57fa\u7c7b\u3002<\/p>\n

    \u7b2c\u4e8c\u7c7b：\u5904\u7406\u51fd\u6570\u7b7e\u540d\u4e0e\u6d88\u606f\u4e0d\u5339\u914d\u3002 \u5c06 ON_WM_LBUTTONDOWN \u7684\u5904\u7406\u51fd\u6570\u58f0\u660e\u4e3a\u65e0\u53c2\u6570\u5f62\u5f0f，\u8fd0\u884c\u671f nSig \u6821\u9a8c\u5931\u8d25，\u5904\u7406\u51fd\u6570\u4e0d\u88ab\u8c03\u7528\u6216\u53c2\u6570\u88ab\u9519\u8bef\u89e3\u91ca\u3002\u5bf9\u7b56\u662f\u6309\u6d88\u606f\u7c7b\u578b\u4f7f\u7528 MFC \u89c4\u5b9a\u7684\u7b7e\u540d，afx_msg \u4ec5\u662f\u6807\u8bb0，\u4e0d\u53c2\u4e0e\u7c7b\u578b\u68c0\u67e5，\u7b7e\u540d\u6b63\u786e\u6027\u7531\u7a0b\u5e8f\u5458\u4fdd\u8bc1\u3002<\/p>\n

    \u7b2c\u4e09\u7c7b：DDX \u6210\u5458\u53d8\u91cf\u672a\u521d\u59cb\u5316\u5373 UpdateData(FALSE)\u3002 \u5728 OnInitDialog \u4e4b\u524d\u8c03\u7528 UpdateData(FALSE)，\u6210\u5458\u53d8\u91cf\u7684\u672a\u5b9a\u4e49\u503c\u88ab\u5199\u5165\u63a7\u4ef6\u3002\u5bf9\u7b56\u662f\u5728\u6784\u9020\u51fd\u6570\u6216 OnInitDialog \u4e2d\u5148\u8bbe\u7f6e\u6210\u5458\u53d8\u91cf\u7684\u521d\u503c，\u518d\u4f9d\u8d56\u9ed8\u8ba4\u7684 UpdateData(FALSE)\u3002<\/p>\n

    \u7b2c\u56db\u7c7b：UpdateData(TRUE) \u5931\u8d25\u540e\u7ee7\u7eed\u4f7f\u7528\u6210\u5458\u53d8\u91cf\u3002 DDV \u6821\u9a8c\u5931\u8d25\u65f6\u4ea4\u6362\u88ab\u4e2d\u6b62，\u6210\u5458\u53d8\u91cf\u53ef\u80fd\u4fdd\u7559\u65e7\u503c\u6216\u90e8\u5206\u66f4\u65b0\u3002\u5bf9\u7b56\u662f\u68c0\u67e5 UpdateData(TRUE) \u7684\u8fd4\u56de\u503c，\u5931\u8d25\u65f6\u7acb\u5373\u8fd4\u56de\u3002<\/p>\n

    \u7b2c\u4e94\u7c7b：SelectObject \u65e7\u5bf9\u8c61\u672a\u6062\u590d\u3002 GDI \u53e5\u67c4\u9010\u6b21\u6cc4\u6f0f，\u6700\u7ec8\u8017\u5c3d\u914d\u989d\u3002\u5bf9\u7b56\u662f\u6bcf\u6b21 SelectObject \u90fd\u4fdd\u5b58\u8fd4\u56de\u503c\u5e76\u5728\u7ed8\u5236\u5b8c\u6210\u540e\u6062\u590d；\u5bf9\u5f02\u5e38\u53ef\u80fd\u4e2d\u65ad\u7684\u8def\u5f84\u4f7f\u7528 SaveDC\/RestoreDC\u3002<\/p>\n

    \u7b2c\u516d\u7c7b：\u5728 OnPaint \u4e2d\u4f7f\u7528 CClientDC \u800c\u975e CPaintDC\u3002 \u66f4\u65b0\u533a\u57df\u4e0d\u88ab\u6807\u8bb0\u4e3a\u5df2\u5904\u7406，\u7a97\u53e3\u6301\u7eed\u6536\u5230 WM_PAINT，CPU \u5360\u7528\u98d9\u5347\u3002\u5bf9\u7b56\u662f\u5728 OnPaint \u4e2d\u59cb\u7ec8\u4f7f\u7528 CPaintDC；\u82e5\u5728 OnDraw \u4e2d\u7ed8\u56fe，\u6846\u67b6\u5df2\u63d0\u4f9b\u6b63\u786e\u7684 CDC*\u3002<\/p>\n

    \u7b2c\u4e03\u7c7b：\u8de8\u7ebf\u7a0b\u64cd\u4f5c MFC \u7a97\u53e3\u5bf9\u8c61\u3002 \u5de5\u4f5c\u7ebf\u7a0b\u76f4\u63a5\u8c03\u7528 CWnd \u65b9\u6cd5\u6216 UpdateData，\u7834\u574f\u7a97\u53e3\u53e5\u67c4\u5230\u5bf9\u8c61\u7684\u7ebf\u7a0b\u5c40\u90e8\u6620\u5c04\u3002\u5bf9\u7b56\u662f\u901a\u8fc7 PostMessage \u6216\u81ea\u5b9a\u4e49\u6d88\u606f\u628a\u64cd\u4f5c\u6295\u9012\u5230\u4e3b\u7ebf\u7a0b，\u800c\u975e\u8de8\u7ebf\u7a0b\u76f4\u63a5\u8c03\u7528\u3002<\/p>\n

    \u7b2c\u516b\u7c7b：\u8d44\u6e90 ID \u51b2\u7a81\u6216\u672a\u5b9a\u4e49\u3002 .rc \u4e2d\u7684 ID \u4e0e Resource.h \u4e0d\u4e00\u81f4，\u6216\u4e24\u4e2a\u63a7\u4ef6\u4f7f\u7528\u4e86\u540c\u4e00 ID，\u5bfc\u81f4 ON_BN_CLICKED \u6620\u5c04\u5230\u9519\u8bef\u7684\u63a7\u4ef6\u3002\u5bf9\u7b56\u662f\u8ba9\u8d44\u6e90\u7f16\u8f91\u5668\u7edf\u4e00\u7ba1\u7406 ID，\u907f\u514d\u624b\u5de5\u7f16\u8f91 Resource.h \u9020\u6210\u4e0d\u540c\u6b65\u3002<\/p>\n

    \n

    55.14 \u672c\u7ae0\u5c0f\u7ed3<\/h3>\n

    \u672c\u7ae0\u4ee5\u201c\u95f4\u63a5\u5c42\u201d\u4e3a\u7ebf\u7d22，\u5206\u6790\u4e86 MFC \u5728 Win32 \u4e4b\u4e0a\u6240\u505a\u7684\u67b6\u6784\u9009\u62e9\u3002\u6d88\u606f\u6620\u5c04\u7528\u9759\u6001\u6570\u7ec4\u67e5\u627e\u66ff\u4ee3\u865a\u51fd\u6570\u5206\u6d3e，\u4ee5\u8fd0\u884c\u671f\u67e5\u627e\u7684\u4ee3\u4ef7\u6362\u53d6\u4e86 vtable \u7684\u7a33\u5b9a\u4e0e\u7a7a\u95f4\u7684\u8282\u7701；\u7ebf\u6027\u626b\u63cf\u5728\u6761\u76ee\u6570\u5c0f\u7684\u524d\u63d0\u4e0b\u8db3\u591f\u5feb，\u6700\u8fd1\u6d88\u606f\u54c8\u5e0c\u7f13\u51b2\u6c60\u5219\u628a\u91cd\u590d\u6d88\u606f\u7684\u67e5\u627e\u964d\u4e3a\u5e38\u6570\u65f6\u95f4\u3002DDX \u628a\u63a7\u4ef6\u4e0e\u6210\u5458\u53d8\u91cf\u4e4b\u95f4\u7684\u53cc\u5411\u540c\u6b65\u5c01\u88c5\u4e3a\u65b9\u5411\u53d7\u63a7\u7684\u6279\u91cf\u64cd\u4f5c，DDV \u5728\u201c\u63a7\u4ef6 \u2192 \u53d8\u91cf\u201d\u65b9\u5411\u4e0a\u6267\u884c\u6821\u9a8c，\u4e8c\u8005\u7684\u6267\u884c\u987a\u5e8f\u7531 DoDataExchange \u7684\u8c03\u7528\u7ea6\u5b9a\u4fdd\u8bc1\u3002Document\/View \u5b9e\u4f8b\u5316\u89c2\u5bdf\u8005\u6a21\u5f0f，\u4f7f\u540c\u4e00\u6570\u636e\u652f\u6491\u591a\u4e2a\u89c6\u56fe；\u547d\u4ee4\u8def\u7531\u628a\u547d\u4ee4\u6cbf View\u2192Document\u2192Frame\u2192App \u4f20\u9012，\u5141\u8bb8\u5904\u7406\u903b\u8f91\u843d\u5728\u6700\u5408\u9002\u7684\u5c42\u7ea7\u3002GDI \u7ed8\u5236\u7684\u6838\u5fc3\u7ea6\u675f\u662f\u53e5\u67c4\u7684\u501f\u7528\u4e0e\u5f52\u8fd8：SelectObject \u8fd4\u56de\u7684\u65e7\u5bf9\u8c61\u5fc5\u987b\u6062\u590d，\u5426\u5219\u8bbe\u5907\u4e0a\u4e0b\u6587\u6301\u6709\u65b0\u5bf9\u8c61\u7684\u5f15\u7528\u76f4\u81f3\u9500\u6bc1，\u53e5\u67c4\u914d\u989d\u88ab\u9010\u6b65\u8017\u5c3d\u3002<\/p>\n

    \u8fd9\u4e9b\u673a\u5236\u4e4b\u95f4\u7684\u5173\u8054\u6784\u6210\u4e86 MFC \u7a0b\u5e8f\u7684\u7ea6\u675f\u7f51\u7edc：\u6d88\u606f\u6620\u5c04\u7684\u5b8f\u5fc5\u987b\u6210\u7ec4\u4e14\u57fa\u7c7b\u6b63\u786e，DDX \u7684\u8fd4\u56de\u503c\u5fc5\u987b\u88ab\u68c0\u67e5，GDI \u65e7\u5bf9\u8c61\u5fc5\u987b\u6062\u590d，\u547d\u4ee4\u5904\u7406\u7684\u4f4d\u7f6e\u51b3\u5b9a\u8def\u7531\u8def\u5f84\u3002\u7406\u89e3\u8fd9\u4e9b\u7ea6\u675f，\u6bd4\u8bb0\u4f4f API \u540d\u79f0\u66f4\u80fd\u652f\u6491\u5bf9\u5b58\u91cf MFC \u4ee3\u7801\u7684\u9605\u8bfb\u3001\u4fee\u6539\u4e0e\u8fc1\u79fb\u3002MFC \u7684\u4ef7\u503c\u4e0d\u5728\u4e8e\u5b83\u662f\u5426\u662f\u201c\u65b0\u9879\u76ee\u7684\u6700\u4f18\u9009\u62e9\u201d，\u800c\u5728\u4e8e\u5b83\u5c55\u793a\u4e86\u4e00\u79cd\u5728\u53d7\u9650\u7684\u5386\u53f2\u6761\u4ef6\u4e0b\u7528 C++ \u5c01\u88c5\u8fc7\u7a0b\u5f0f API \u7684\u5b8c\u6574\u65b9\u6848；\u8fd9\u4e00\u65b9\u6848\u7684\u5f97\u5931，\u5bf9\u7406\u89e3\u540e\u7eed\u4efb\u4f55 GUI \u6846\u67b6\u7684\u8bbe\u8ba1\u90fd\u6784\u6210\u6709\u76ca\u7684\u53c2\u7167\u3002<\/p>\n

    \u4e0b\u4e00\u7ae0\u8fdb\u5165\u7b2c\u5341\u4e00\u7bc7，\u4ece\u4e8c\u53c9\u6811\u4e0e\u6811\u7ed3\u6784\u5f00\u59cb\u8ba8\u8bba\u9ad8\u7ea7\u6570\u636e\u7ed3\u6784\u3002<\/p>\n

    \n

    55.15 \u81ea\u68c0\u6e05\u5355<\/h3>\n
      \n
    • \u80fd\u8bf4\u660e\u6d88\u606f\u6620\u5c04\u4e3a\u4f55\u7528\u8868\u67e5\u627e\u66ff\u4ee3\u865a\u51fd\u6570\u5206\u6d3e<\/li>\n
    • \u80fd\u89e3\u91ca DECLARE_MESSAGE_MAP \/ BEGIN_MESSAGE_MAP \/ END_MESSAGE_MAP \u5404\u81ea\u7684\u751f\u6210\u7269<\/li>\n
    • \u80fd\u63cf\u8ff0\u6d88\u606f\u6620\u5c04\u6cbf\u57fa\u7c7b\u94fe\u67e5\u627e\u7684\u8fc7\u7a0b\u4e0e\u7f13\u51b2\u6c60\u7684\u4f5c\u7528<\/li>\n
    • \u80fd\u533a\u5206 ON_COMMAND \u4e0e ON_BN_CLICKED \u5728\u6d88\u606f\u5c42\u9762\u7684\u5dee\u5f02<\/li>\n
    • \u80fd\u8bf4\u660e DDX \u7684\u53cc\u5411\u6570\u636e\u6d41\u5411\u4e0e DDV \u7684\u751f\u6548\u65b9\u5411<\/li>\n
    • \u80fd\u89e3\u91ca UpdateData(TRUE) \u8fd4\u56de\u503c\u7684\u5de5\u7a0b\u610f\u4e49<\/li>\n
    • \u80fd\u8bf4\u660e Document\/View \u4e0e\u89c2\u5bdf\u8005\u6a21\u5f0f\u7684\u5bf9\u5e94\u5173\u7cfb<\/li>\n
    • \u80fd\u63cf\u8ff0\u547d\u4ee4\u8def\u7531\u7684\u6807\u51c6\u94fe\u4e0e OnUpdate_COMMAND_UI \u7684\u4f5c\u7528<\/li>\n
    • \u80fd\u89e3\u91ca SelectObject \u65e7\u5bf9\u8c61\u6062\u590d\u7684\u5fc5\u8981\u6027\u4e0e GDI \u53e5\u67c4\u914d\u989d\u7684\u5173\u7cfb<\/li>\n
    • \u80fd\u533a\u5206 OnPaint \u4e2d CPaintDC \u4e0e CClientDC \u7684\u8bed\u4e49\u5dee\u5f02<\/li>\n
    • \u80fd\u4ece\u5206\u6d3e\u65f6\u673a\u4e0e\u8026\u5408\u65b9\u5f0f\u4e24\u4e2a\u7ef4\u5ea6\u5bf9\u6bd4 MFC \u6d88\u606f\u6620\u5c04\u4e0e Qt \u4fe1\u53f7\u69fd<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"

      \u7b2c55\u7ae0 MFC \u4e0e Windows \u684c\u9762\u5e94\u7528\u7b2c54\u7ae0\u8ba8\u8bba\u4e86 MSVC \u7684\u4e8c\u8fdb\u5236\u5951\u7ea6：\u8c03\u7528\u7ea6\u5b9a\u3001\u540d\u79f0\u4fee\u9970\u4e0e\u6570\u636e\u6a21\u578b\u3002\u8fd9\u4e9b\u5951\u7ea6\u51b3\u5b9a\u4e86 Windows \u539f\u751f\u7a0b\u5e8f\u5982\u4f55\u4e0e\u64cd\u4f5c\u7cfb\u7edf\u4ea4\u4e92\u3002\u672c\u7ae0\u8fdb\u5165\u5efa\u7acb\u5728\u8fd9\u4e00\u5951\u7ea6\u4e4b\u4e0a\u7684\u7b2c\u4e00\u4ee3 C \u684c\u9762\u6846\u67b6\u2014\u2014MFC（Microsoft Foundation Classes）\u3002MFC \u7684\u4ef7\u503c\u4e0d\u5728\u4e8e\u5b83\u201c\u8fc7\u65f6\u201d\u6216\u201c\u4ecd\u5728\u4f7f\u7528\u201d\u8fd9\u6837\u7b80\u5355\u7684\u5224\u65ad，\u800c\u5728\u4e8e\u5b83\u5c55\u793a\u4e86\u4e00\u79cd\u7279\u5b9a\u7684\u67b6\u6784\u9009\u62e9：\u5982\u4f55\u5728\u4e0d\u4fee\u6539 Win<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[55,174,3750],"topic":[],"class_list":["post-119450","post","type-post","status-publish","format-standard","hentry","category-server","tag-c","tag-mfc"],"yoast_head":"\nC\/C++\u7a0b\u5e8f\u8bbe\u8ba1\uff08\u4e94\u5341\u4e94\uff09\u2014\u2014 MFC \u4e0e Windows \u684c\u9762\u5e94\u7528 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/119450.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\/C++\u7a0b\u5e8f\u8bbe\u8ba1\uff08\u4e94\u5341\u4e94\uff09\u2014\u2014 MFC \u4e0e Windows \u684c\u9762\u5e94\u7528 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u7b2c55\u7ae0 MFC \u4e0e Windows \u684c\u9762\u5e94\u7528\u7b2c54\u7ae0\u8ba8\u8bba\u4e86 MSVC \u7684\u4e8c\u8fdb\u5236\u5951\u7ea6：\u8c03\u7528\u7ea6\u5b9a\u3001\u540d\u79f0\u4fee\u9970\u4e0e\u6570\u636e\u6a21\u578b\u3002\u8fd9\u4e9b\u5951\u7ea6\u51b3\u5b9a\u4e86 Windows \u539f\u751f\u7a0b\u5e8f\u5982\u4f55\u4e0e\u64cd\u4f5c\u7cfb\u7edf\u4ea4\u4e92\u3002\u672c\u7ae0\u8fdb\u5165\u5efa\u7acb\u5728\u8fd9\u4e00\u5951\u7ea6\u4e4b\u4e0a\u7684\u7b2c\u4e00\u4ee3 C \u684c\u9762\u6846\u67b6\u2014\u2014MFC（Microsoft Foundation Classes）\u3002MFC \u7684\u4ef7\u503c\u4e0d\u5728\u4e8e\u5b83\u201c\u8fc7\u65f6\u201d\u6216\u201c\u4ecd\u5728\u4f7f\u7528\u201d\u8fd9\u6837\u7b80\u5355\u7684\u5224\u65ad，\u800c\u5728\u4e8e\u5b83\u5c55\u793a\u4e86\u4e00\u79cd\u7279\u5b9a\u7684\u67b6\u6784\u9009\u62e9：\u5982\u4f55\u5728\u4e0d\u4fee\u6539 Win\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/119450.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-10-29T09:56:47+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"9 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/119450.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/119450.html\",\"name\":\"C\/C++\u7a0b\u5e8f\u8bbe\u8ba1\uff08\u4e94\u5341\u4e94\uff09\u2014\u2014 MFC \u4e0e Windows \u684c\u9762\u5e94\u7528 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-10-29T09:56:47+00:00\",\"dateModified\":\"2026-10-29T09:56:47+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/119450.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/119450.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/119450.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"C\/C++\u7a0b\u5e8f\u8bbe\u8ba1\uff08\u4e94\u5341\u4e94\uff09\u2014\u2014 MFC \u4e0e Windows \u684c\u9762\u5e94\u7528\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"C\/C++\u7a0b\u5e8f\u8bbe\u8ba1\uff08\u4e94\u5341\u4e94\uff09\u2014\u2014 MFC \u4e0e Windows \u684c\u9762\u5e94\u7528 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/119450.html","og_locale":"zh_CN","og_type":"article","og_title":"C\/C++\u7a0b\u5e8f\u8bbe\u8ba1\uff08\u4e94\u5341\u4e94\uff09\u2014\u2014 MFC \u4e0e Windows \u684c\u9762\u5e94\u7528 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u7b2c55\u7ae0 MFC \u4e0e Windows \u684c\u9762\u5e94\u7528\u7b2c54\u7ae0\u8ba8\u8bba\u4e86 MSVC \u7684\u4e8c\u8fdb\u5236\u5951\u7ea6：\u8c03\u7528\u7ea6\u5b9a\u3001\u540d\u79f0\u4fee\u9970\u4e0e\u6570\u636e\u6a21\u578b\u3002\u8fd9\u4e9b\u5951\u7ea6\u51b3\u5b9a\u4e86 Windows \u539f\u751f\u7a0b\u5e8f\u5982\u4f55\u4e0e\u64cd\u4f5c\u7cfb\u7edf\u4ea4\u4e92\u3002\u672c\u7ae0\u8fdb\u5165\u5efa\u7acb\u5728\u8fd9\u4e00\u5951\u7ea6\u4e4b\u4e0a\u7684\u7b2c\u4e00\u4ee3 C \u684c\u9762\u6846\u67b6\u2014\u2014MFC（Microsoft Foundation Classes）\u3002MFC \u7684\u4ef7\u503c\u4e0d\u5728\u4e8e\u5b83\u201c\u8fc7\u65f6\u201d\u6216\u201c\u4ecd\u5728\u4f7f\u7528\u201d\u8fd9\u6837\u7b80\u5355\u7684\u5224\u65ad，\u800c\u5728\u4e8e\u5b83\u5c55\u793a\u4e86\u4e00\u79cd\u7279\u5b9a\u7684\u67b6\u6784\u9009\u62e9：\u5982\u4f55\u5728\u4e0d\u4fee\u6539 Win","og_url":"https:\/\/www.wsisp.com\/helps\/119450.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2026-10-29T09:56:47+00:00","author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"9 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/119450.html","url":"https:\/\/www.wsisp.com\/helps\/119450.html","name":"C\/C++\u7a0b\u5e8f\u8bbe\u8ba1\uff08\u4e94\u5341\u4e94\uff09\u2014\u2014 MFC \u4e0e Windows \u684c\u9762\u5e94\u7528 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2026-10-29T09:56:47+00:00","dateModified":"2026-10-29T09:56:47+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/119450.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/119450.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/119450.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"C\/C++\u7a0b\u5e8f\u8bbe\u8ba1\uff08\u4e94\u5341\u4e94\uff09\u2014\u2014 MFC \u4e0e Windows \u684c\u9762\u5e94\u7528"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/119450","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=119450"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/119450\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=119450"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=119450"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=119450"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=119450"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}