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SF4524LogeshKumarSF4524LogeshKumar
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845073: Show and Hide Annotations Sample
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‎How to/Show and Hide Annotations/Show and Hide Annotations/.gitignore

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.DS_Store
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node_modules
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/dist
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# local env files
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.env.local
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.env.*.local
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# Log files
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npm-debug.log*
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yarn-debug.log*
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yarn-error.log*
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pnpm-debug.log*
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# Editor directories and files
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.idea
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.vscode
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*.suo
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*.ntvs*
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*.njsproj
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*.sln
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*.sw?

‎How to/Show and Hide Annotations/Show and Hide Annotations/README.md

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# textsearch
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## Project setup
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```
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npm install
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```
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### Compiles and hot-reloads for development
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```
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npm run serve
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```
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### Compiles and minifies for production
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```
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npm run build
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```
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### Lints and fixes files
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```
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npm run lint
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```
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### Customize configuration
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See [Configuration Reference](https://cli.vuejs.org/config/).

‎How to/Show and Hide Annotations/Show and Hide Annotations/babel.config.js

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module.exports = {
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presets: [
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'@vue/cli-plugin-babel/preset'
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]
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}

‎How to/Show and Hide Annotations/Show and Hide Annotations/jsconfig.json

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{
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"compilerOptions": {
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"target": "es5",
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"module": "esnext",
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"baseUrl": "./",
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"moduleResolution": "node",
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"paths": {
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"@/*": [
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"src/*"
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]
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},
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"lib": [
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"esnext",
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"dom",
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"dom.iterable",
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"scripthost"
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]
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}
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}

‎How to/Show and Hide Annotations/Show and Hide Annotations/package.json

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{
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"name": "textsearch",
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"version": "0.1.0",
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"private": true,
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"scripts": {
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"serve": "vue-cli-service serve",
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"build": "vue-cli-service build",
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"lint": "vue-cli-service lint"
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},
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"dependencies": {
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"@syncfusion/ej2-vue-pdfviewer": "*",
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"core-js": "^3.8.3",
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"vue": "^3.2.13",
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"buffer": "^6.0.3",
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"crypto-browserify": "^3.12.0",
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"stream-browserify": "^3.0.0",
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"util": "^0.12.5",
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"vm-browserify": "^1.1.2"
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},
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"devDependencies": {
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"@babel/core": "^7.12.16",
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"@babel/eslint-parser": "^7.12.16",
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"@vue/cli-plugin-babel": "~5.0.0",
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"@vue/cli-plugin-eslint": "~5.0.0",
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"@vue/cli-service": "~5.0.0",
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"eslint": "^7.32.0",
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"eslint-plugin-vue": "^8.0.3"
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},
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"eslintConfig": {
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"root": true,
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"env": {
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"node": true
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},
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"extends": [
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"plugin:vue/essential",
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"eslint:recommended"
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],
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"parserOptions": {
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"parser": "@babel/eslint-parser"
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},
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"rules": {}
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},
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"browserslist": [
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"> 1%",
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"last 2 versions",
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"not dead",
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"not ie 11"
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]
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}

‎How to/Show and Hide Annotations/Show and Hide Annotations/public/favicon.ico

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‎How to/Show and Hide Annotations/Show and Hide Annotations/public/index.html

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<!DOCTYPE html>
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<html lang="">
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<head>
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width,initial-scale=1.0">
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<link rel="icon" href="<%= BASE_URL %>favicon.ico">
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<title><%= htmlWebpackPlugin.options.title %></title>
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</head>
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<body>
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<noscript>
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<strong>We're sorry but <%= htmlWebpackPlugin.options.title %> doesn't work properly without JavaScript enabled. Please enable it to continue.</strong>
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</noscript>
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<br><br><br>
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<div id="app"></div>
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<!-- built files will be auto injected -->
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</body>
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</html>

‎How to/Show and Hide Annotations/Show and Hide Annotations/src/App.vue

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<template>
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<div id="app">
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<button v-on:click="toggleAnnotations">
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{{ annotationsVisible ? 'Hide Annotation' : 'Show Annotation' }}
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</button>
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<ejs-pdfviewer
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id="pdfViewer"
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ref="pdfviewer"
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:documentPath="documentPath"
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:serviceUrl="serviceUrl">
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</ejs-pdfviewer>
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</div>
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</template>
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<script>
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import {PdfViewerComponent, Toolbar, Magnification, Navigation, LinkAnnotation, BookmarkView,
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ThumbnailView, Print, TextSelection, TextSearch, Annotation, FormFields, FormDesigner, PageOrganizer } from '@syncfusion/ej2-vue-pdfviewer';
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export default {
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name: 'app',
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components: {
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'ejs-pdfviewer': PdfViewerComponent,
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},
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data() {
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return {
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documentPath: "Annotations.pdf",
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serviceUrl: "https://localhost:44309/pdfviewer",
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exportObject: "",
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annotationsVisible: true
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};
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},
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provide: {
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PdfViewer: [
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Toolbar, Magnification, Navigation, LinkAnnotation, BookmarkView,
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ThumbnailView, Print, TextSelection, TextSearch, Annotation, FormFields, FormDesigner, PageOrganizer
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]
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},
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methods: {
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async toggleAnnotations() {
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const viewer = this.$refs.pdfviewer.ej2Instances;
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if (this.annotationsVisible) {
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// Hide annotations by exporting and deleting them
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try {
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const value = await viewer.exportAnnotationsAsObject();
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this.exportObject = JSON.stringify(value); // Convert object to string for later use
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const count = viewer.annotationCollection.length;
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for (let i = 0; i < count; i++) {
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// Always delete the first item as the collection shrinks
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viewer.annotationModule.deleteAnnotationById(viewer.annotationCollection[0].annotationId);
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}
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this.annotationsVisible = false;
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} catch (error) {
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console.error('Error hiding annotations:', error);
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}
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} else {
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// Restore annotations
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if (this.exportObject) {
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const parsedObject = JSON.parse(this.exportObject);
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viewer.importAnnotation(JSON.parse(parsedObject));
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}
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this.annotationsVisible = true;
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}
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}
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}
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};
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</script>
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<style>
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@import "../node_modules/@syncfusion/ej2-base/styles/material.css";
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@import "../node_modules/@syncfusion/ej2-buttons/styles/material.css";
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@import "../node_modules/@syncfusion/ej2-dropdowns/styles/material.css";
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@import "../node_modules/@syncfusion/ej2-inputs/styles/material.css";
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@import "../node_modules/@syncfusion/ej2-navigations/styles/material.css";
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@import "../node_modules/@syncfusion/ej2-popups/styles/material.css";
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@import "../node_modules/@syncfusion/ej2-splitbuttons/styles/material.css";
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@import "../node_modules/@syncfusion/ej2-vue-pdfviewer/styles/material.css";
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</style>

‎How to/Show and Hide Annotations/Show and Hide Annotations/src/assets/logo.png

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‎How to/Show and Hide Annotations/Show and Hide Annotations/src/main.js

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import { createApp } from 'vue'
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import App from './App.vue'
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createApp(App).mount('#app')

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