{"id":657,"date":"2014-09-18T11:20:21","date_gmt":"2014-09-18T03:20:21","guid":{"rendered":"http:\/\/blog.qdac.cc\/?p=657"},"modified":"2014-09-18T13:24:25","modified_gmt":"2014-09-18T05:24:25","slug":"c-builder%e4%b8%ad%e5%ae%9e%e7%8e%b0%e5%af%b9delphi%e5%8c%bf%e5%90%8d%e5%87%bd%e6%95%b0%e7%9a%84%e6%94%af%e6%8c%81","status":"publish","type":"post","link":"https:\/\/blog.qdac.cc\/?p=657","title":{"rendered":"C++ Builder\u4e2d\u5b9e\u73b0\u5bf9Delphi\u533f\u540d\u51fd\u6570\u7684\u652f\u6301"},"content":{"rendered":"

\u597d\u5427\uff0cC++\u91cc\u6ca1\u6709\u533f\u540d\u51fd\u6570\uff0c\u770b\u7531Pas\u751f\u6210\u7684HPP\u6587\u4ef6\uff0c\u4f60\u4f1a\u53d1\u73b0\u5b83\u8981\u4f60\u5b9e\u73b0\u4e00\u4e2aInterface\uff0c\u597d\u5728C++\u7684\u7c7b\u578b\u58f0\u660e\u662f\u968f\u65f6\u968f\u5730\u53ef\u4ee5\u8fdb\u884c\u7684\uff0c\u6240\u4ee5\u5bf9\u5e94\u7684\u5b9e\u73b0\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n

1\u3001\u58f0\u660e\u4e00\u4e2a\u7c7b\uff0c\u7ee7\u627f\u81eaTCppInterfacedObject<\u533f\u540d\u51fd\u6570\u7c7b\u578b>\u4ee5\u5b9e\u73b0\u533f\u540d\u51fd\u6570\u5bf9\u5e94\u7684\u63a5\u53e3\uff0c\u4f60\u613f\u610f\u5199\u6210interface\u4e5f\u65e0\u6240\u8c13\uff0c\u5728C++\u4e2d\uff0cstruct\u548cclass\u5b9e\u9645\u4e0a\u5e76\u6ca1\u5565\u672c\u8d28\u7684\u533a\u522b\uff0c\u800cinterface\u53ea\u662fstruct\u7684\u4e00\u4e2a\u522b\u540d\u800c\u5df2\u3002<\/p>\n

\n
 class TMyHandler:public TCppInterfacedObject<TMyAnEvent>\r\n\u00a0 {\r\n\u00a0 public:\r\n\u00a0 \u00a0 void __fastcall Invoke(...\u4f60\u7684\u533f\u540d\u51fd\u6570\u53c2\u6570)\r\n\u00a0 \u00a0 {\r\n\u00a0 \u00a0 \u4f60\u7684\u533f\u540d\u51fd\u6570\u5b9e\u73b0\u4ee3\u7801\r\n\u00a0 \u00a0 }\r\n\u00a0 }<\/pre>\n
\u5728\u8fd9\u91cc\u4e0d\u8981\u6307\u671b\u8c61Delphi\u7684\u533f\u540d\u51fd\u6570\u4e00\u6837\u76f4\u63a5\u8bbf\u95ee\u5c40\u90e8\u53d8\u91cf\uff0cC++\u7684\u7c7b\u53d7C++\u9650\u5236\u3002<\/p><\/div>\n
\u00a0 2\u3001\u5728\u9700\u8981\u533f\u540d\u51fd\u6570\u7684\u5730\u65b9\uff0cnew \u4e00\u4e2a\u4f60\u7684\u7c7b\u7684\u5b9e\u4f8b\uff0c\u8fd9\u4e2a\u5b9e\u4f8b\u4e0d\u9700\u8981\u4f60\u53bb\u91ca\u653e\uff0c\u5b83\u662f\u4e00\u4e2a\u667a\u80fd\u6307\u9488\uff0c\u7136\u540e\u5c31OK\u4e86\u3002<\/div>\n
<\/div>\n
\u793a\u4f8b\u5982\u4e0b\uff1a<\/div>\n
\n
void __fastcall TForm1::Button1Click(TObject *Sender){\r\nclass TMyEvent:public TCppInterfacedObject<TQXMLObjectPropFilterEvent>\r\n  {\r\n  public:\r\n\u00a0   void __fastcall Invoke(TQXMLNode* ASender, System::TObject* AObject, System::UnicodeString APropName, bool &Accept)\r\n  \u00a0 {\r\n  \u00a0 if (APropName==\"Enabled\")\r\n  \u00a0 \u00a0 Accept=False;\r\n  \u00a0 else\r\n  \u00a0 \u00a0 Accept=True;\r\n  \u00a0 }\r\n  };\r\nTQXMLNode *AXML=new TQXMLNode;\r\nAXML->Add(\"Button1\",Button1,False,new TMyEvent);\r\nShowMessage(AXML->Encode(True,L\" \");\r\ndelete AXML;\r\n}<\/pre>\n
\u662f\u4e0d\u662f\u611f\u89c9\u4e0a\u9762\u7684\u4ee3\u7801\u770b\u7740\u6709\u70b9\u4e71\uff0c\u597d\u5427\uff0c\u4e07\u80fd\u7684\u5b8f\u51fa\u9a6c\u4e86\uff1a<\/p><\/div>\n
\n
#define DELPHI_ANON(AType,ATypeName,Code) \\\r\n\u00a0 class ATypeName:public TCppInterfacedObject<AType>\\\r\n\u00a0 \u00a0 {\\\r\n\u00a0 \u00a0 public:\\\r\n\u00a0 \u00a0 \u00a0 void __fastcall Invoke##Code\\\r\n\u00a0 \u00a0 };<\/pre>\n
\u4e0a\u9762\u7684\u4ee3\u7801\u4e5f\u5c31\u53d8\u6210\u4e86\uff1a<\/p><\/div>\n
\n
void __fastcall TForm1::Button1Click(TObject *Sender)\r\n{\r\nDELPHI_ANON(TQXMLObjectPropFilterEvent,TMyEvent,\r\n\u00a0 (TQXMLNode* ASender, System::TObject* AObject, System::UnicodeString APropName, bool &Accept)\r\n\u00a0 {\r\n\u00a0 if (APropName==\"Enabled\")\r\n\u00a0 \u00a0 Accept=False;\r\n\u00a0 else\r\n\u00a0 \u00a0 Accept=True;\r\n\u00a0 }\r\n);\r\nTQXMLNode *AXML=new TQXMLNode;\r\nAXML->Add(\"Button1\",Button1,False,new TMyEvent);\r\nShowMessage(AXML->Encode(True,L\" \");\r\ndelete AXML;\r\n}<\/pre>\n
\u5b9e\u9645\u4e0a\uff0c\u4e00\u822c\u60c5\u51b5\u4e0bTMyEvent\u8fd9\u4e2a\u7c7b\u578b\u4e5f\u4e0d\u662f\u6211\u4eec\u5173\u5fc3\u7684\uff0c\u6211\u4eec\u66f4\u5173\u5fc3\u7684\u662f\u4e00\u4e2a\u53d8\u91cf\u540d\uff0c\u4e5f\u5c31\u5f15\u7533\u51fa\u4e0b\u4e00\u4e2a\u7248\u672c\uff1a<\/p>\n
#define DELPHI_ANON(AType,Code,AVar) \\\r\n  class AType##AVar:public TCppInterfacedObject<AType>\\\r\n  {\\\r\n  public:\\\r\n    void __fastcall Invoke##Code\\\r\n  } *AVar=new AType##AVar\r\n<\/pre>\n
\u90a3\u4e48\u4e0a\u9762\u7684\u4ee3\u7801\u5c31\u4f1a\u53d8\u4e3a\uff1a<\/p>\n
void __fastcall TForm1::Button1Click(TObject *Sender)\r\n{\r\nDELPHI_ANON(TQXMLObjectPropFilterEvent,TMyEvent,\r\n  (TQXMLNode* ASender, System::TObject* AObject, System::UnicodeString APropName, bool &Accept)\r\n  {\r\n  if (APropName==\"Enabled\")\r\n    Accept=False;\r\n  else\r\n    Accept=True;\r\n  },ACallback\r\n);\r\nTQXMLNode *AXML=new TQXMLNode;\r\nAXML->Add(\"Button1\",Button1,False,ACallback);\r\nShowMessage(AXML->Encode(True,L\" \");\r\ndelete AXML;\r\n}<\/pre>\n
QString\u65b0\u7248\u5df2\u7ecf\u5185\u7f6e\u4e86\u540e\u4e00\u79cd\u5f62\u5f0f\u7684\u58f0\u660e\uff0c\u5f53\u7136\u5982\u679c\u6709\u66f4\u597d\u7684\u529e\u6cd5\uff0c\u6211\u4f1a\u6beb\u4e0d\u72b9\u8c6b\u7684\u66ff\u6362\u6389\uff0c\u4e0d\u8fc7\u76ee\u524d\u6211\u6682\u65f6\u6ca1\u6709\u3002\u5982\u679c\u4f60\u6709\u66f4\u597d\u7684\u5b9e\u73b0\u529e\u6cd5\uff0c\u6b22\u8fce\u63d0\u4f9b\u5efa\u8bae\u3002\u6211\u89c9\u5f97\u901a\u8fc7STL\u4e5f\u8bb8\u6709\u4e00\u5b9a\u7684\u5e0c\u671b\uff0c\u4f46\u6211\u6ca1\u60f3\u51fa\u6765\u3002\u4e5f\u8bb8\u4f60\u77e5\u9053\uff0c\u4e0d\u8981\u541d\u556c\u4f60\u7684\u667a\u6167\uff0c\u544a\u8bc9\u6211\u5427\u3002<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"
\u597d\u5427\uff0cC++\u91cc\u6ca1\u6709\u533f\u540d\u51fd\u6570\uff0c\u770b\u7531Pas\u751f […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[69],"tags":[70,31,450,72,71],"class_list":["post-657","post","type-post","status-publish","format-standard","hentry","category-c-builder","tag-builder","tag-c","tag-delphi","tag-72","tag-71"],"views":5124,"_links":{"self":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/657","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=657"}],"version-history":[{"count":6,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/657\/revisions"}],"predecessor-version":[{"id":663,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/657\/revisions\/663"}],"wp:attachment":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=657"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=657"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=657"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}