SyncfusionExamples · rparthi-1687 · Jul 24, 2025 · Jun 2, 2025 · Jul 18, 2025
diff --git a/How to/Show and Hide Annotations/Show and Hide Annotations/.gitignore b/How to/Show and Hide Annotations/Show and Hide Annotations/.gitignore
@@ -0,0 +1,23 @@
+.DS_Store
+node_modules
+/dist
+
+
+# local env files
+.env.local
+.env.*.local
+
+# Log files
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+
+# Editor directories and files
+.idea
+.vscode
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?
diff --git a/How to/Show and Hide Annotations/Show and Hide Annotations/README.md b/How to/Show and Hide Annotations/Show and Hide Annotations/README.md
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+# textsearch
+
+## Project setup
+```
+npm install
+```
+
+### Compiles and hot-reloads for development
+```
+npm run serve
+```
+
+### Compiles and minifies for production
+```
+npm run build
+```
+
+### Lints and fixes files
+```
+npm run lint
+```
+
+### Customize configuration
+See [Configuration Reference](https://cli.vuejs.org/config/).
diff --git a/How to/Show and Hide Annotations/Show and Hide Annotations/babel.config.js b/How to/Show and Hide Annotations/Show and Hide Annotations/babel.config.js
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+module.exports = {
+  presets: [
+    '@vue/cli-plugin-babel/preset'
+  ]
+}
diff --git a/How to/Show and Hide Annotations/Show and Hide Annotations/jsconfig.json b/How to/Show and Hide Annotations/Show and Hide Annotations/jsconfig.json
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+{
+  "compilerOptions": {
+    "target": "es5",
+    "module": "esnext",
+    "baseUrl": "./",
+    "moduleResolution": "node",
+    "paths": {
+      "@/*": [
+        "src/*"
+      ]
+    },
+    "lib": [
+      "esnext",
+      "dom",
+      "dom.iterable",
+      "scripthost"
+    ]
+  }
+}
diff --git a/How to/Show and Hide Annotations/Show and Hide Annotations/package.json b/How to/Show and Hide Annotations/Show and Hide Annotations/package.json
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+{
+  "name": "textsearch",
+  "version": "0.1.0",
+  "private": true,
+  "scripts": {
+    "serve": "vue-cli-service serve",
+    "build": "vue-cli-service build",
+    "lint": "vue-cli-service lint"
+  },
+  "dependencies": {
+    "@syncfusion/ej2-vue-pdfviewer": "*",
+    "core-js": "^3.8.3",
+    "vue": "^3.2.13",
+    "buffer": "^6.0.3",
+    "crypto-browserify": "^3.12.0",
+    "stream-browserify": "^3.0.0",
+    "util": "^0.12.5",
+    "vm-browserify": "^1.1.2"
+  },
+  "devDependencies": {
+    "@babel/core": "^7.12.16",
+    "@babel/eslint-parser": "^7.12.16",
+    "@vue/cli-plugin-babel": "~5.0.0",
+    "@vue/cli-plugin-eslint": "~5.0.0",
+    "@vue/cli-service": "~5.0.0",
+    "eslint": "^7.32.0",
+    "eslint-plugin-vue": "^8.0.3"
+  },
+  "eslintConfig": {
+    "root": true,
+    "env": {
+      "node": true
+    },
+    "extends": [
+      "plugin:vue/essential",
+      "eslint:recommended"
+    ],
+    "parserOptions": {
+      "parser": "@babel/eslint-parser"
+    },
+    "rules": {}
+  },
+  "browserslist": [
+    "> 1%",
+    "last 2 versions",
+    "not dead",
+    "not ie 11"
+  ]
+}
diff --git a/How to/Show and Hide Annotations/Show and Hide Annotations/public/favicon.ico b/How to/Show and Hide Annotations/Show and Hide Annotations/public/favicon.ico
diff --git a/How to/Show and Hide Annotations/Show and Hide Annotations/public/index.html b/How to/Show and Hide Annotations/Show and Hide Annotations/public/index.html
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+<!DOCTYPE html>
+<html lang="">
+  <head>
+    <meta charset="utf-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width,initial-scale=1.0">
+    <link rel="icon" href="<%= BASE_URL %>favicon.ico">
+    <title><%= htmlWebpackPlugin.options.title %></title>
+  </head>
+  <body>
+    <noscript>
+      <strong>We're sorry but <%= htmlWebpackPlugin.options.title %> doesn't work properly without JavaScript enabled. Please enable it to continue.</strong>
+    </noscript>
+    <br><br><br>
+    <div id="app"></div>
+    <!-- built files will be auto injected -->
+  </body>
+</html>
diff --git a/How to/Show and Hide Annotations/Show and Hide Annotations/src/App.vue b/How to/Show and Hide Annotations/Show and Hide Annotations/src/App.vue
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+<template>
+  <div id="app">
+    <button id="hideBtn" v-on:click="hideAnnotations">Hide Annotations</button>
+    <button id="unhideBtn" v-on:click="unhideAnnotations">Show Annotations</button>
+    <ejs-pdfviewer
+      id="pdfViewer"
+      ref="pdfviewer"
+      :documentPath="documentPath"
+      :resourceUrl="resourceUrl">
+    </ejs-pdfviewer>
+  </div>
+</template>
+
+<script>
+import {PdfViewerComponent, Toolbar, Magnification, Navigation, LinkAnnotation, BookmarkView, 
+  ThumbnailView, Print, TextSelection, TextSearch, Annotation, FormFields, FormDesigner, PageOrganizer } from '@syncfusion/ej2-vue-pdfviewer';
+
+export default {
+  name: 'app',
+  components: {
+    'ejs-pdfviewer': PdfViewerComponent,
+  },
+  data() {
+    return {
+      documentPath: "https://cdn.syncfusion.com/content/pdf/pdf-succinctly.pdf",
+      resourceUrl: "https://cdn.syncfusion.com/ej2/30.1.37/dist/ej2-pdfviewer-lib",
+      exportObject: "",
+      annotationsVisible: true
+    };
+  },
+  provide: {
+    PdfViewer: [
+      Toolbar, Magnification, Navigation, LinkAnnotation, BookmarkView,
+      ThumbnailView, Print, TextSelection, TextSearch, Annotation, FormFields, FormDesigner, PageOrganizer
+    ]
+  },
+  methods: {
+    async hideAnnotations() {
+      const viewer = this.$refs.pdfviewer.ej2Instances;
+
+      try {
+        const value = await viewer.exportAnnotationsAsObject();
+        this.exportObject = JSON.stringify(value); // Convert object to string for later use
+        viewer.deleteAnnotations();
+      } catch (error) {
+        console.error('Error hiding annotations:', error);
+      }
+    },
+
+    unhideAnnotations() {
+      const viewer = this.$refs.pdfviewer.ej2Instances;
+
+      if (this.exportObject) {
+        const parsedObject = JSON.parse(this.exportObject);
+        viewer.importAnnotation(JSON.parse(parsedObject));
+      }
+    }
+  }
+};
+</script>
+
+<style>
+@import "../node_modules/@syncfusion/ej2-base/styles/material.css";
+@import "../node_modules/@syncfusion/ej2-buttons/styles/material.css";
+@import "../node_modules/@syncfusion/ej2-dropdowns/styles/material.css";
+@import "../node_modules/@syncfusion/ej2-inputs/styles/material.css";
+@import "../node_modules/@syncfusion/ej2-navigations/styles/material.css";
+@import "../node_modules/@syncfusion/ej2-popups/styles/material.css";
+@import "../node_modules/@syncfusion/ej2-splitbuttons/styles/material.css";
+@import "../node_modules/@syncfusion/ej2-vue-pdfviewer/styles/material.css";
+</style>
diff --git a/How to/Show and Hide Annotations/Show and Hide Annotations/src/assets/logo.png b/How to/Show and Hide Annotations/Show and Hide Annotations/src/assets/logo.png
diff --git a/How to/Show and Hide Annotations/Show and Hide Annotations/src/main.js b/How to/Show and Hide Annotations/Show and Hide Annotations/src/main.js
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+import { createApp } from 'vue'
+import App from './App.vue'
+
+createApp(App).mount('#app')
diff --git a/How to/Show and Hide Annotations/Show and Hide Annotations/vue.config.js b/How to/Show and Hide Annotations/Show and Hide Annotations/vue.config.js
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+const { defineConfig } = require('@vue/cli-service')
+module.exports = defineConfig({
+  transpileDependencies: true
+})