{"id":2786,"date":"2026-07-24T20:50:22","date_gmt":"2026-07-24T12:50:22","guid":{"rendered":"https:\/\/updates.visual-paradigm.com\/fr\/releases\/visualize-c-code-uml-class-diagram-vpascode\/"},"modified":"2026-07-24T20:50:22","modified_gmt":"2026-07-24T12:50:22","slug":"visualize-c-code-uml-class-diagram-vpascode","status":"publish","type":"releases","link":"https:\/\/updates.visual-paradigm.com\/fr\/releases\/visualize-c-code-uml-class-diagram-vpascode\/","title":{"rendered":"Visualisez le code C sous forme de diagrammes de classes UML instantan\u00e9ment avec VPasCode"},"content":{"rendered":"<p><img fetchpriority=\"high\" alt=\"Turn C code into UML class diagrams automatically with VPasCode. Use our free C editor and online C diagram tool to visualize, edit, export, and share struct relationships.\" class=\"alignnone size-full wp-image-3213\" decoding=\"async\" fetchpriority=\"high\" height=\"816\" sizes=\"(max-width: 1312px) 100vw, 1312px\" src=\"https:\/\/updates.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/visualize-c-code-uml-class-diagram-hero-banner.jpg\" srcset=\"https:\/\/updates.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/visualize-c-code-uml-class-diagram-hero-banner.jpg 1312w, https:\/\/updates.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/visualize-c-code-uml-class-diagram-hero-banner-300x187.jpg 300w, https:\/\/updates.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/visualize-c-code-uml-class-diagram-hero-banner-1024x637.jpg 1024w, https:\/\/updates.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/visualize-c-code-uml-class-diagram-hero-banner-768x478.jpg 768w\" width=\"1312\"\/><\/p>\n<p>Chez Visual Paradigm, nous sommes ravis de pr\u00e9senter une mise \u00e0 jour puissante de notre <a href=\"https:\/\/www.visual-paradigm.com\/features\/diagram-as-code-tool\/\">plateforme diagramme-en-code<\/a>, Visual Paradigm <a href=\"https:\/\/www.vpascode.com\/overview\/\">VPasCode<\/a>. Les ing\u00e9nieurs, les d\u00e9veloppeurs et les architectes logiciels peuvent d\u00e9sormais transformer le code source C en diagrammes de classes UML propres et bien structur\u00e9s automatiquement en temps r\u00e9el.<\/p>\n<p>Comprendre les relations structurelles dans C\u2014en particulier \u00e0 travers des bases de code h\u00e9rit\u00e9es, des d\u00e9finitions complexes <code>struct<\/code> de structures, et des structures imbriqu\u00e9es de pointeurs\u2014peut \u00eatre difficile. VPasCode comble le foss\u00e9 entre le code source \u00e9crit et la clart\u00e9 architecturale. En agissant comme un <b>\u00e9diteur C gratuit<\/b> et un outil moderne <b>outil en ligne de diagramme C<\/b>, VPasCode transforme directement le code structurel en diagrammes interactifs sans n\u00e9cessiter de configuration manuelle complexe.<\/p>\n<hr\/>\n<h2>Qu&#8217;est-ce que VPasCode ?<\/h2>\n<p><a href=\"https:\/\/www.vpascode.com\/overview\/\">VPasCode<\/a> est un outil <b>diagramme-en-code<\/b> qui simplifie la visualisation des architectures, des syst\u00e8mes et de la logique. Au lieu de g\u00e9rer des dizaines d&#8217;utilitaires de visualisation ind\u00e9pendants, VPasCode regroupe les moteurs populaires de transformation texte-diagramme et les formats structur\u00e9s dans un seul espace de travail bas\u00e9 sur le web.<\/p>\n<p>VPasCode prend nativement en charge :<\/p>\n<ul>\n<li><b>Langages de diagrammation :<\/b> <a href=\"https:\/\/updates.visual-paradigm.com\/releases\/free-plantuml-sequence-diagram-builder\/\">PlantUML<\/a>, <a href=\"https:\/\/updates.visual-paradigm.com\/releases\/vpascode-expands-mermaid-support-ishikawa-event-modeling-venn-wardley-maps-now-available\/\">Mermaid<\/a>, <a href=\"https:\/\/updates.visual-paradigm.com\/releases\/introducing-vpascode-the-ultimate-unified-text-to-diagram-platform\/\">Graphviz<\/a>, <a href=\"https:\/\/updates.visual-paradigm.com\/releases\/free-online-mind-map-tool-vpascode-markmap\/\">Markmap<\/a>, <a href=\"https:\/\/updates.visual-paradigm.com\/releases\/ai-chart-generation-create-with-chatbot-edit-with-vpascode\/\">ECharts<\/a><\/li>\n<li><b>Donn\u00e9es structur\u00e9es :<\/b> <a href=\"https:\/\/updates.visual-paradigm.com\/releases\/free-online-json-editor-visualizer-vpascode-update\/\">JSON<\/a>, <a href=\"https:\/\/updates.visual-paradigm.com\/releases\/free-online-yaml-diagram-tool-vpascode-update\/\">YAML<\/a>, <a href=\"https:\/\/updates.visual-paradigm.com\/releases\/vpascode-xml-visualization-announcement\/\">XML<\/a>, <a href=\"https:\/\/updates.visual-paradigm.com\/releases\/free-online-csv-diagram-tool-vpascode-update\/\">CSV<\/a>, <a href=\"https:\/\/updates.visual-paradigm.com\/releases\/vpascode-supports-toml-visualization\/\">TOML<\/a><\/li>\n<li><b>Langages de base de donn\u00e9es\u00a0:<\/b> <a href=\"https:\/\/updates.visual-paradigm.com\/releases\/free-sql-to-erd-tool-online-editor\/\">SQL<\/a><\/li>\n<li><b>Langages de programmation\u00a0:<\/b> <a href=\"https:\/\/updates.visual-paradigm.com\/releases\/vpascode-java-code-to-uml-class-diagram\/\">Java<\/a>, <a href=\"https:\/\/updates.visual-paradigm.com\/releases\/typescript-to-uml-class-diagram-generator\/\">TypeScript<\/a>, <a href=\"https:\/\/updates.visual-paradigm.com\/releases\/vpascode-visualize-go-uml-class-diagram\/\">Go<\/a>, <a href=\"https:\/\/updates.visual-paradigm.com\/releases\/visualize-rust-code-uml-diagram-as-code\/\">Rust<\/a>, <a href=\"https:\/\/updates.visual-paradigm.com\/releases\/vpascode-csharp-to-uml-class-diagram-update\/\">C#<\/a>, <a href=\"https:\/\/updates.visual-paradigm.com\/releases\/visualize-python-code-as-uml-class-diagrams-vpascode\/\">Python<\/a>, <a href=\"https:\/\/updates.visual-paradigm.com\/releases\/visualize-c-code-uml-class-diagram-vpascode\/\">C<\/a>, <a href=\"https:\/\/updates.visual-paradigm.com\/releases\/visualize-cpp-code-as-uml-class-diagram-vpascode\/\">C++<\/a>, <a href=\"https:\/\/updates.visual-paradigm.com\/releases\/visualize-php-code-uml-class-diagram-vpascode\/\">PHP<\/a>, <a href=\"https:\/\/updates.visual-paradigm.com\/releases\/ruby-uml-class-diagram-as-code-vpascode\/\">Ruby<\/a>, <a href=\"https:\/\/updates.visual-paradigm.com\/releases\/visualize-scala-code-uml-class-diagram-vpascode\/\">Scala<\/a>, <a href=\"https:\/\/updates.visual-paradigm.com\/releases\/visualize-zig-code-uml-class-diagrams-vpascode\/\">Zig<\/a>, <a href=\"https:\/\/updates.visual-paradigm.com\/releases\/vpascode-kotlin-uml-class-diagram-generator\/\">Kotlin<\/a>, <a href=\"https:\/\/updates.visual-paradigm.com\/releases\/visualize-swift-code-uml-class-diagram-vpascode\/\">Swift<\/a>, et <a href=\"https:\/\/updates.visual-paradigm.com\/releases\/visualize-elixir-code-as-uml-class-diagrams-vpascode\/\">Elixir<\/a><\/li>\n<\/ul>\n<p>Que vous ayez besoin de <a href=\"https:\/\/updates.visual-paradigm.com\/releases\/free-plantuml-sequence-diagram-builder\/\">diagrammes de s\u00e9quence<\/a>, <a href=\"https:\/\/updates.visual-paradigm.com\/releases\/next-gen-ai-flowchart-generator-clearer-process-workflows-made-simple\/\">organigrammes<\/a>, <a href=\"https:\/\/updates.visual-paradigm.com\/releases\/ai-diagram-generator-new-types-dfd-erd\/\">mod\u00e8les entit\u00e9-association<\/a>, ou <a href=\"https:\/\/updates.visual-paradigm.com\/releases\/introducing-vpascode-the-ultimate-unified-text-to-diagram-platform\/\">diagrammes de classes UML<\/a>, <a href=\"https:\/\/updates.visual-paradigm.com\/releases\/introducing-visual-paradigm-18-1-a-new-era-of-unified-ecosystems-and-ai-driven-innovation\/\">VPasCode<\/a> fournit un environnement interactif fluide avec des fonctionnalit\u00e9s de pr\u00e9visualisation en direct.<\/p>\n<hr\/>\n<h2>Comment la visualisation du code C fonctionne dans VPasCode<\/h2>\n<p id=\"bxUjcSo\"><img alt=\"Screenshot of VPasCode, a diagram-as-code tool, editing a C code and reading the corresponding UML class diagram side by side.\" class=\"alignnone wp-image-3223 size-full\" decoding=\"async\" height=\"745\" sizes=\"(max-width: 1192px) 100vw, 1192px\" src=\"https:\/\/updates.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a63599d4d092.png\" srcset=\"https:\/\/updates.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a63599d4d092.png 1192w, https:\/\/updates.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a63599d4d092-300x188.png 300w, https:\/\/updates.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a63599d4d092-1024x640.png 1024w, https:\/\/updates.visual-paradigm.com\/wp-content\/uploads\/2026\/07\/img_6a63599d4d092-768x480.png 768w\" width=\"1192\"\/><\/p>\n<p>Visualiser les structures C dans VPasCode est rapide et simple. L&#8217;application web dispose d&#8217;une interface \u00e0 \u00e9cran divis\u00e9 avec un \u00e9diteur de code sur la gauche et une vue d&#8217;affichage en direct du diagramme sur la droite.<\/p>\n<ol>\n<li><b>\u00c9crivez ou collez du code :<\/b> Saisissez votre code C directement dans l&#8217;\u00e9diteur situ\u00e9 sur le c\u00f4t\u00e9 gauche.<\/li>\n<li><b>Faites glisser et d\u00e9posez des fichiers sources :<\/b> Faites glisser un fichier source C (<code>.c<\/code> ou <code>.h<\/code>) directement dans la fen\u00eatre du navigateur pour importer et afficher automatiquement le fichier.<\/li>\n<li><b>Affichage en temps r\u00e9el des diagrammes UML :<\/b> \u00c0 mesure que vous tapez, modifiez ou ajoutez des structures, votre diagramme de classes UML se met \u00e0 jour instantan\u00e9ment sur la droite.<\/li>\n<\/ol>\n<p>Parce que VPasCode dispose de <b>d\u00e9tection automatique du code<\/b>, il analyse automatiquement votre entr\u00e9e et s\u00e9lectionne le parseur appropri\u00e9 sans n\u00e9cessiter de configuration manuelle.<\/p>\n<hr\/>\n<h2>Voyez-le en action : visualisation des relations entre structures C<\/h2>\n<p>Pour d\u00e9montrer \u00e0 quel point il est simple de transformer des structures C en diagrammes UML exploitables, examinez l&#8217;extrait suivant mettant en sc\u00e8ne des structures imbriqu\u00e9es et des tableaux de pointeurs :<\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">C<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/#c:eNpTzsxLzilNSVWwKS5JyczXy7Dj5eLlKqksSE1JTVMoLikqTS5RqOblUgCC5IzEIoW8xNzUaFODWGterloFx7zM3MQca9xaIAoUkhKLU8EaXPLTSVDtnFhiTbxzECZoKRSklhRHG8KFM\/NKQELxyfmleSVgowNSi4rz86wBMQhLuQ==\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Modifier le code C dans VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">C<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/#c:eNpTzsxLzilNSVWwKS5JyczXy7Dj5eLlKqksSE1JTVMoLikqTS5RqOblUgCC5IzEIoW8xNzUaFODWGterloFx7zM3MQca9xaIAoUkhKLU8EaXPLTSVDtnFhiTbxzECZoKRSklhRHG8KFM\/NKQELxyfmleSVgowNSi4rz86wBMQhLuQ==\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit C in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"language-c\"><code class=\"language-c\" data-language=\"c\" class=\"language-c\">#include &lt;stdio.h&gt;\r\n\r\ntypedef struct {\r\n    char name[50];\r\n} Animal;\r\n\r\ntypedef struct {\r\n    Animal base;\r\n} Dog;\r\n\r\ntypedef struct {\r\n    Animal base;\r\n} Cat;\r\n\r\ntypedef struct {\r\n    char name[50];\r\n    Animal* pets[10];\r\n    int pet_count;\r\n} Person;\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/#c:eNpTzsxLzilNSVWwKS5JyczXy7Dj5eLlKqksSE1JTVMoLikqTS5RqOblUgCC5IzEIoW8xNzUaFODWGterloFx7zM3MQca9xaIAoUkhKLU8EaXPLTSVDtnFhiTbxzECZoKRSklhRHG8KFM\/NKQELxyfmleSVgowNSi4rz86wBMQhLuQ==\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit C in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/#c:eNpTzsxLzilNSVWwKS5JyczXy7Dj5eLlKqksSE1JTVMoLikqTS5RqOblUgCC5IzEIoW8xNzUaFODWGterloFx7zM3MQca9xaIAoUkhKLU8EaXPLTSVDtnFhiTbxzECZoKRSklhRHG8KFM\/NKQELxyfmleSVgowNSi4rz86wBMQhLuQ==\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Modifier le code C dans VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<p>Lorsqu&#8217;il est analys\u00e9 dans VPasCode, cet extrait g\u00e9n\u00e8re un diagramme de classes UML complet, d\u00e9taillant clairement les attributs, les tableaux de pointeurs et les associations structurelles.<\/p>\n<p><a href=\"https:\/\/www.vpascode.com\/#c:KyxCIyufJKbLi2akISdCrykmu-8ggIn8JKbDKoWkAIfDBb6evb80WkICn2A5lCJSr6XJWrXhhbe5nxpCtCGSQnpA8R8AIOd5gI35BldfHAfqJYon9iu92CrQ2WMf9SNHXZ3HpBmIa4XySdvfNWd8q83KekByF6i0\" rel=\"noopener\" target=\"_blank\">Cliquez ici pour ouvrir, modifier et exp\u00e9rimenter cet exemple de code C directement dans VPasCode<\/a>.<\/p>\n<hr\/>\n<h2>Fonctionnalit\u00e9s cl\u00e9s d&#8217;exportation et de partage<\/h2>\n<p>VPasCode est con\u00e7u pour la collaboration en \u00e9quipe et les flux de documentation fluides :<\/p>\n<ul>\n<li><b>Partager via un lien hypertexte :<\/b> Partagez instantan\u00e9ment des diagrammes avec vos coll\u00e8gues via des URL standard \u2014 aucun compte ni connexion requis pour les destinataires.<\/li>\n<li><b>Copier l&#8217;image dans le presse-papiers :<\/b> Copiez facilement les diagrammes rendus directement dans votre presse-papiers pour une insertion rapide dans des diapositives de pr\u00e9sentation, des discussions ou des tableaux de projet.<\/li>\n<li><b>Options d&#8217;exportation :<\/b> T\u00e9l\u00e9chargez des fichiers vectoriels haute r\u00e9solution <b>SVG<\/b> ou des images de haute qualit\u00e9 <b>PNG<\/b> pour l&#8217;\u00e9dition de documentation.<\/li>\n<\/ul>\n<hr\/>\n<h2>Fonctionnalit\u00e9s avanc\u00e9es d&#8217;IA pour la cr\u00e9ation de diagrammes<\/h2>\n<p>En plus de ses capacit\u00e9s de rendu de base, VPasCode inclut des fonctionnalit\u00e9s d&#8217;IA pour am\u00e9liorer la productivit\u00e9 et acc\u00e9l\u00e9rer la cr\u00e9ation de diagrammes :<\/p>\n<ul>\n<li><b><a href=\"https:\/\/updates.visual-paradigm.com\/releases\/never-get-stuck-on-syntax-again-introducing-ai-code-error-fixing-in-vpascode\/\">Correction automatique des erreurs de code par IA<\/a>:<\/b>Vous avez rencontr\u00e9 une erreur de syntaxe dans votre script de diagramme ? Cliquez sur \u00ab Corriger par IA \u00bb pour diagnostiquer et corriger automatiquement les probl\u00e8mes de syntaxe. VPasCode affiche une comparaison c\u00f4te \u00e0 c\u00f4te du code et explique la correction afin que vous puissiez apprendre en temps r\u00e9el.<\/li>\n<li><b><a href=\"https:\/\/updates.visual-paradigm.com\/releases\/break-language-barriers-natively-with-vpascodes-new-ai-diagram-translation\/\">Traduction de diagrammes par IA<\/a>:<\/b>Traduisez instantan\u00e9ment les \u00e9tiquettes, le texte et les annotations de vos diagrammes dans diff\u00e9rentes langues \u00e0 l&#8217;aide d&#8217;outils de traduction par IA int\u00e9gr\u00e9s.<\/li>\n<li><b><a href=\"https:\/\/updates.visual-paradigm.com\/releases\/seamlessly-connect-diagramming-to-documentation-vpascode-integrates-with-opendocs\/\">Int\u00e9gration \u00e0 OpenDocs<\/a>:<\/b>Envoyez directement vos diagrammes termin\u00e9s vers Visual Paradigm OpenDocs pour simplifier la documentation du design logiciel.<\/li>\n<\/ul>\n<blockquote>\n<p><b>Remarque :<\/b>L&#8217;\u00e9dition de diagrammes, le rendu en temps r\u00e9el, le partage de liens et l&#8217;exportation sont enti\u00e8rement gratuits. Les fonctionnalit\u00e9s d&#8217;IA sont disponibles via l&#8217;\u00e9dition Combo en ligne de Visual Paradigm (ou sup\u00e9rieure) et l&#8217;\u00e9dition Professionnelle Bureau de Visual Paradigm (ou sup\u00e9rieure) avec maintenance active.<\/p>\n<\/blockquote>\n<hr\/>\n<h2>Commencez \u00e0 visualiser votre code C d\u00e8s aujourd&#8217;hui<\/h2>\n<p>Que vous ayez besoin d&#8217;un \u00e9diteur C <b>gratuit et flexible<\/b> pour des modifications rapides, un outil de diagramme C en ligne fiable<b>pour cartographier les d\u00e9pendances, ou un outil de diagramme en code multi-langages<\/b>pour votre \u00e9quipe, VPasCode vous offre une solution compl\u00e8te bas\u00e9e sur navigateur.<b>outil de diagramme en code<\/b>pour votre \u00e9quipe, VPasCode vous offre une solution compl\u00e8te bas\u00e9e sur navigateur.<\/p>\n<p><a href=\"https:\/\/www.vpascode.com\/\">Essayez VPasCode gratuitement d\u00e8s maintenant<\/a><\/p>\n<p><a href=\"https:\/\/www.visual-paradigm.com\/features\/unified-platform\/\">Plateforme unifi\u00e9e<\/a>Acc\u00e8s \u00e0 VPasCode : dans la cat\u00e9gorie \u00ab D\u00e9veloppeur \u00bb du hub d&#8217;applications.<\/p>\n","protected":false},"featured_media":2787,"template":"","meta":{"_acf_changed":false,"_yoast_wpseo_title":"Visualisez instantan\u00e9ment le code C en diagrammes de classes UML | VPasCode","_yoast_wpseo_metadesc":"Transformez automatiquement le code C en diagrammes de classes UML avec VPasCode. 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