{"id":17894,"date":"2023-02-21T16:11:26","date_gmt":"2023-02-21T08:11:26","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=17894"},"modified":"2023-07-30T22:57:02","modified_gmt":"2023-07-30T14:57:02","slug":"%e7%bc%96%e7%a8%8b%e4%b8%adhandle%e4%b8%8ehook%e4%bb%80%e4%b9%88%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/17894.html","title":{"rendered":"\u7f16\u7a0b\u4e2dhandle\u4e0ehook\u4ec0\u4e48\u533a\u522b"},"content":{"rendered":"<blockquote class=\"wp-block-quote\">\n<p>\u7f16\u7a0b\u4e2dhandle\u4e0ehook\u7684\u533a\u522b\u662f\uff1a\u4e0d\u540c\u7684\u6280\u672f\u6808\u91cchandle\u548chook\u53ef\u80fd\u6307\u4e0d\u540c\u7684\u4e1c\u897f\u3002\u6cdb\u6cdb\u6765\u8bf4handle\u662f\u5bf9\u8ba1\u7b97\u673a\u8d44\u6e90\uff08\u6587\u4ef6\uff0c\u8bbe\u5907\uff0c\u7f51\u7edc\uff0c\u7a97\u53e3\u7b49\u7b49\uff09\u7684\u62bd\u8c61\u8868\u793a\u3002\u7a0b\u5e8f\u5458\u53ef\u4ee5\u901a\u8fc7handle\u6765\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u7684\u5404\u7c7b\u8d44\u6e90\u3002\u800chook\u6307\u901a\u8fc7\u62e6\u622a\u7cfb\u7edf\u6216\u8005\u5e94\u7528\u4e2d\u7684\u4e8b\u4ef6\u3002<\/p>\n<\/blockquote>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img fetchpriority=\"high\" alt=\"\" class=\"wp-image-17937\" decoding=\"async\" height=\"421\" sizes=\"(max-width: 680px) 100vw, 680px\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/02\/\u6dfb\u52a0\u6807\u9898-11-15.png?x-oss-process=image\/auto-orient,1\/format,webp\" srcset=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/02\/\u6dfb\u52a0\u6807\u9898-11-15.png?x-oss-process=image\/auto-orient,1\/format,webp 680w, https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/02\/\u6dfb\u52a0\u6807\u9898-11-15-300x186.png 300w\" width=\"680\"\/><\/figure>\n<\/div>\n<h2 class=\"wp-block-heading\"><strong>\u4e00\u3001\u7f16\u7a0b\u4e2dhandle\u4e0ehook\u7684\u533a\u522b<\/strong><\/h2>\n<p>\u4e0d\u540c\u7684\u6280\u672f\u6808\u91cc\uff0chandle\u548chook\u53ef\u80fd\u6307\u4e0d\u540c\u7684\u4e1c\u897f\u3002<\/p>\n<p>\u6cdb\u6cdb\u6765\u8bf4\uff0chandle\u662f\u5bf9\u8ba1\u7b97\u673a\u8d44\u6e90\uff08\u6587\u4ef6\uff0c\u8bbe\u5907\uff0c\u7f51\u7edc\uff0c\u7a97\u53e3\u7b49\u7b49\uff09\u7684\u62bd\u8c61\u8868\u793a\u3002\u7a0b\u5e8f\u5458\u53ef\u4ee5\u901a\u8fc7handle\u6765\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u7684\u5404\u7c7b\u8d44\u6e90\u3002\u800chook\u6307\u901a\u8fc7\u62e6\u622a\u7cfb\u7edf\u6216\u8005\u5e94\u7528\u4e2d\u7684\u4e8b\u4ef6\uff0c\u4fe1\u53f7\u548c\u8c03\u7528\uff0c\u6765\u66f4\u6539\u7cfb\u7edf\u6216\u8005\u5e94\u7528\u7684\u9ed8\u8ba4\u884c\u4e3a\u3002<\/p>\n<h3 class=\"wp-block-heading\"><strong>hook<\/strong><\/h3>\n<p>Hook\u53ef\u4ee5\u4ee5\u7ebf\u7a0b\u4e3a\u5355\u4f4d\u8fdb\u884c\u7b5b\u9009\u3002\u6bcf\u4e2aGUI\u7ebf\u7a0b\u6709\u4e00\u4e2a\u6d88\u606f\u961f\u5217\uff0c\u7528\u6765\u63a5\u53d7\u6d88\u606f\uff0c\u65e2\u7136\u662f\u6d88\u606fHook\uff0c\u90a3\u5c31\u5e94\u8be5\u662f\u9488\u5bf9\u67d0\u4e2a\u7ebf\u7a0b\u7684\u63a5\u6536\u5230\u7684\u6d88\u606f\u505aHook\u3002<\/p>\n<p>\u4f8b\u5982\uff1a\u5b9e\u73b0\u7684\u9632\u952e\u76d8\u52fe\u53d6\uff0c\u53ef\u4ee5\u4f7f\u7528\u8fd9\u79cd\u6280\u672f\u3002\u5b89\u88c5\u4e86\u4e00\u4e2aWH_KEYBOARD_LL\u94a9\u5b50\uff0c\u5728\u952e\u76d8\u6309\u4e0b\uff0c\u53d1\u5f80\u4efb\u610f\u7684\u7ebf\u7a0b\u6d88\u606f\u961f\u5217\u524d\uff0c\u4f1a\u5148\u8c03\u7528\u6211\u4eec\u7684\u952e\u76d8\u94a9\u5b50\uff0c\u94a9\u5b50\u91cc\u9762\u5224\u65ad\u662f\u4e0d\u662f\u6211\u4eec\u7684\u8f93\u5165\u6846\u7684\u7a97\u53e3\u6d88\u606f\uff0c\u5982\u679c\u4e0d\u662f\uff0c\u5ffd\u7565\u3002\u5982\u679c\u662f\uff0c\u505a\u52a0\u5bc6\u5904\u7406\u5e76\u4fdd\u5b58\uff0c\u6539\u53d8\u53d1\u9001\u7684\u5b57\u7b26\uff08\u5982\u6539\u4e3a\u201d*\u201d\uff09\uff0c\u53d1\u9001\u81f3\u7a97\u53e3\u8fc7\u7a0b\u4e2d\u3002\u5982\u679c\u7b2c\u4e09\u65b9\u8c03\u7528GetWindowText\uff0c\u7531\u4e8e\u6587\u672c\u6846\u4e2d\u7684\u90fd\u662f\u201d*\u201d\uff0c\u6240\u4ee5\u65e0\u6cd5\u83b7\u53d6\u51fa\u771f\u5b9e\u5b57\u7b26\u3002<\/p>\n<p>\u4f46\u8fd9\u79cd\u94a9\u5b50\u8c01\u4e5f\u53ef\u4ee5\u5b89\u88c5\uff0cWindows\u5c06\u6240\u6709\u7a0b\u5e8f\u5b89\u88c5\u7684\u94a9\u5b50\u7ec4\u6210\u4e86\u4e00\u4e2a\u94a9\u5b50\u94fe\u3002\u5982\u679c\u7b2c\u4e09\u65b9\u4e5f\u5b89\u88c5\u4e86\u4e00\u4e2a\u94a9\u5b50\uff0c\u8fd8\u662f\u5728\u6211\u4eec\u5b89\u88c5\u5b8c\u4e4b\u540e\u5b89\u88c5\u7684\uff0c\u90a3\u4e48\u5b83\u5c06\u4f1a\u622a\u83b7\u5230\u771f\u5b9e\u5b57\u7b26\u3002\u6240\u4ee5\uff0c\u6240\u4ee5\u53ef\u4ee5\u8fdb\u4e00\u6b65\u52a0\u5f3a\u5904\u7406\uff0c\u589e\u52a0\u4e00\u4e2a\u5b9a\u65f6\u5668\uff0c\u4e0d\u505c\u7684\u5b89\u88c5\u5378\u8f7d\u591a\u4e2a\u94a9\u5b50\u3002\u8fd9\u6837\uff0c\u5373\u4fbf\u7b2c\u4e09\u65b9\u4e5f\u5728\u4e0d\u505c\u7684\u5b89\u88c5\u94a9\u5b50\uff0c\u60f3\u622a\u53d6\u5230\u5b8c\u6574\u7684PIN\uff0c\u53ef\u80fd\u6027\u53d8\u7684\u5f88\u5c0f\u3002\u4f46\u5982\u679c\u8fd9\u4e2a\u6076\u610f\u7a0b\u5e8f\u9a7b\u7559\u5728\u7528\u6237\u7cfb\u7edf\u4e2d\u5f88\u591a\u5929\uff0c\u901a\u8fc7\u6bcf\u6b21\u7684\u7edf\u8ba1\uff0c\u53ef\u80fd\u80fd\u5f97\u5230\u5b8c\u6574\u7684PIN\u3002<\/p>\n<h3 class=\"wp-block-heading\"><strong>Handle<\/strong><\/h3>\n<p>Handle\u672c\u8eab\u662f\u4e00\u4e2a32\u4f4d\u7684\u65e0\u7b26\u53f7\u6574\u6570\uff0c\u5b83\u7528\u6765\u4ee3\u8868\u4e00\u4e2a\u5185\u6838\u5bf9\u8c61\u3002\u5b83\u5e76\u4e0d\u6307\u5411\u5b9e\u9645\u7684\u5185\u6838\u5bf9\u8c61\uff0c\u7528\u6237\u6a21\u5f0f\u4e0b\u7684\u7a0b\u5e8f\u6c38\u8fdc\u4e0d\u53ef\u80fd\u83b7\u5f97\u4e00\u4e2a\u5185\u6838\u5bf9\u8c61\u7684\u5b9e\u9645\u5730\u5740\uff08\u4e00\u822c\u60c5\u51b5\u4e0b\uff09\u3002\u90a3\u4e48Handle\u7684\u610f\u4e49\u4f55\u5728\uff1f\u5b83\u5b9e\u9645\u4e0a\u662f\u4f5c\u4e3a\u4e00\u4e2a\u7d22\u5f15\u5728\u4e00\u4e2a\u8868\u4e2d\u67e5\u627e\u5bf9\u5e94\u7684\u5185\u6838\u5bf9\u8c61\u7684\u5b9e\u9645\u5730\u5740\u3002\u90a3\u4e48\u8fd9\u4e2a\u8868\u5728\u54ea\u91cc\u5462\uff1f\u6bcf\u4e2a\u8fdb\u7a0b\u90fd\u6709\u8fd9\u6837\u7684\u4e00\u4e2a\u8868\uff0c\u53eb\u53e5\u67c4\u8868\u3002\u8be5\u8868\u7684\u540d\u5217\u524d\u8305\u9879\u5c31\u662f\u8fdb\u7a0b\u81ea\u5df1\u7684\u53e5\u67c4\uff0c\u8fd9\u4e5f\u662f\u4e3a\u4ec0\u4e48\u4f60\u8c03\u7528GetCurrentProcess()\u603b\u662f\u8fd4\u56de0x7FFFFFFF\u539f\u56e0\u3002<\/p>\n<p>\u7b80\u5355\u5730\u8bf4\uff0cHandle\u5c31\u662f\u4e00\u79cd\u7528\u6765\u201d\u95f4\u63a5\u201d\u4ee3\u8868\u4e00\u4e2a\u5185\u6838\u5bf9\u8c61\u7684\u6574\u6570\u503c\u3002\u4f60\u53ef\u4ee5\u5728\u7a0b\u5e8f\u4e2d\u4f7f\u7528handle\u6765\u4ee3\u8868\u4f60\u60f3\u8981\u64cd\u4f5c\u7684\u5185\u6838\u5bf9\u8c61\u3002\u8fd9\u91cc\u7684\u5185\u6838\u5bf9\u8c61\u5305\u62ec\uff1a\u4e8b\u4ef6\uff08Event\uff09\u3001\u7ebf\u7a0b\u3001\u8fdb\u7a0b\u3001Mutex\u7b49\u7b49\u3002\u6211\u4eec\u6700\u5e38\u89c1\u7684\u5c31\u662f\u6587\u4ef6\u53e5\u67c4\uff08file 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