IgniteUI · IMinchev64 · Jul 20, 2026
diff --git a/samples/layouts/accordion/programmatic-expansion/README.md b/samples/layouts/accordion/programmatic-expansion/README.md
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+<!-- NOTE: do not change this file because it's auto re-generated from template: -->
+<!-- https://github.com/IgniteUI/igniteui-react-examples/tree/vnext/templates/sample/ReadMe.md -->
+
+This folder contains implementation of React application with example of Programmatic Expansion feature using [Accordion](https://www.infragistics.com/products/ignite-ui-react/react/components/general-getting-started.html) component.
+
+
+<html lang="en" xmlns="http://www.w3.org/1999/xhtml">
+    <body>
+        <a target="_blank" href="https://www.infragistics.com/products/ignite-ui-react/react/components/general-getting-started.html" rel="noopener noreferrer">
+            <img height="40px" style="border-radius: 0rem" alt="View Docs" src="https://dl.infragistics.com/x/img/browsers/button-docs.png"/>
+        </a>
+        <a target="_blank" href="./src/index.tsx" rel="noopener noreferrer">
+            <img height="40px" style="border-radius: 0rem; max-width: 100%;" alt="View Code" src="https://dl.infragistics.com/x/img/browsers/button-code.png"/>
+        </a>
+        <a target="_blank" href="https://www.infragistics.com/react-demos/samples/layouts/accordion/programmatic-expansion" rel="noopener noreferrer">
+            <img height="40px" style="border-radius: 0rem; max-width: 100%;" alt="Run Sample" src="https://dl.infragistics.com/x/img/browsers/button-run.png"/>
+        </a>
+        <a target="_blank" href="https://codesandbox.io/s/github/IgniteUI/igniteui-react-examples/tree/master/samples/layouts/accordion/programmatic-expansion?fontsize=14&hidenavigation=1&theme=dark&view=preview&file=/src/index.tsx" rel="noopener noreferrer">
+            <img height="40px" style="border-radius: 0rem; max-width: 100%;" alt="Run Sample" src="https://dl.infragistics.com/x/img/browsers/button-sandbox.png"/>
+        </a>
+    </body>
+</html>
+
+## Branches
+
+> **_NOTE:_** You should use [master](https://github.com/IgniteUI/igniteui-react-examples/tree/master) branch of this repository if you want to run samples on your computer. Use the [vnext](https://github.com/IgniteUI/igniteui-react-examples/tree/vnext) branch only when you want to contribute new samples to this repository.
+
+## Instructions
+
+Follow these instructions to run this example:
+
+
+```
+git clone https://github.com/IgniteUI/igniteui-react-examples.git
+git checkout master
+cd ./igniteui-react-examples
+cd ./samples/layouts/accordion/programmatic-expansion
+```
+
+open above folder in VS Code or type:
+```
+code .
+```
+
+In terminal window, run:
+```
+npm install --legacy-peer-deps
+npm run-script start
+```
+
+Then open http://localhost:4200/ in your browser
+
+
+## Learn More
+
+To learn more about **Ignite UI for React** components, check out the [React documentation](https://www.infragistics.com/products/ignite-ui-react/react/components/general-getting-started.html).
diff --git a/samples/layouts/accordion/programmatic-expansion/index.html b/samples/layouts/accordion/programmatic-expansion/index.html
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+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <title>Accordion Programmatic Expansion</title>
+    <link href="https://dl.infragistics.com/x/css/samples/shared.v8.css" rel="stylesheet" />
+  </head>
+  <body>
+    <div id="root"></div>
+    <script type="module" src="/src/index.tsx"></script>
+  </body>
+</html>
diff --git a/samples/layouts/accordion/programmatic-expansion/package.json b/samples/layouts/accordion/programmatic-expansion/package.json
@@ -0,0 +1,42 @@
+{
+  "name": "react-accordion-programmatic-expansion",
+  "description": "This project provides example of Accordion Programmatic Expansion using Infragistics React components",
+  "author": "Infragistics",
+  "homepage": ".",
+  "version": "1.4.0",
+  "private": true,
+  "scripts": {
+    "start": "vite --port 4200",
+    "build": "tsc && node --max-old-space-size=4096 node_modules/vite/bin/vite build",
+    "preview": "vite preview",
+    "test": "vitest"
+  },
+  "dependencies": {
+    "igniteui-dockmanager": "^1.17.0",
+    "igniteui-react": "19.7.0",
+    "igniteui-react-core": "19.6.0",
+    "igniteui-webcomponents": "^7.2.1",
+    "react": "^19.2.0",
+    "react-dom": "^19.2.0",
+    "tslib": "^2.4.0"
+  },
+  "devDependencies": {
+    "@types/jest": "^29.2.0",
+    "@types/node": "^24.7.1",
+    "@types/react": "^18.0.24",
+    "@types/react-dom": "^18.0.8",
+    "@vitejs/plugin-react": "^5.0.4",
+    "@vitest/browser": "^3.2.4",
+    "typescript": "^4.8.4",
+    "vite": "^7.1.9",
+    "vitest": "^3.2.4",
+    "vitest-canvas-mock": "^0.3.3",
+    "worker-loader": "^3.0.8"
+  },
+  "browserslist": [
+    ">0.2%",
+    "not dead",
+    "not ie <= 11",
+    "not op_mini all"
+  ]
+}
diff --git a/samples/layouts/accordion/programmatic-expansion/sandbox.config.json b/samples/layouts/accordion/programmatic-expansion/sandbox.config.json
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+{
+    "infiniteLoopProtection": false,
+    "hardReloadOnChange": false,
+    "view": "browser"
+} 
diff --git a/samples/layouts/accordion/programmatic-expansion/src/index.css b/samples/layouts/accordion/programmatic-expansion/src/index.css
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+/* shared styles are loaded from: */
+/* https://dl.infragistics.com/x/css/samples/shared.v8.css */
+
+igc-accordion {
+    width: 100%;
+}
+
+.button-group {
+    display: flex;
+    gap: 8px;
+    padding: 16px;
+}
+
+.button-group igc-button {
+    min-width: 96px;
+}
+
+.sample-wrapper {
+    overflow-y: auto;
+    max-height: 380px;
+    margin: 8px;
+}
+
+igc-expansion-panel {
+    border: 1px solid rgba(174, 174, 174, 0.25);
+}
diff --git a/samples/layouts/accordion/programmatic-expansion/src/index.tsx b/samples/layouts/accordion/programmatic-expansion/src/index.tsx
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+import React, { useRef } from 'react';
+import ReactDOM from 'react-dom/client';
+import './index.css';
+import { IgrAccordion, IgrButton, IgrExpansionPanel } from 'igniteui-react';
+import 'igniteui-webcomponents/themes/light/bootstrap.css';
+
+export default function AccordionProgrammaticExpansion() {
+    const accordionRef = useRef<IgrAccordion>(null);
+
+    return (
+        <div id="root">
+            <div className="button-group">
+                <IgrButton variant="contained" onClick={() => accordionRef.current?.showAll()}>
+                    <span>Show All</span>
+                </IgrButton>
+                <IgrButton variant="contained" onClick={() => accordionRef.current?.hideAll()}>
+                    <span>Hide All</span>
+                </IgrButton>
+            </div>
+            <div className="sample-wrapper">
+                <IgrAccordion ref={accordionRef}>
+                    <IgrExpansionPanel>
+                        <span slot="title">Billing</span>
+                        <span>Review invoices, update payment methods, and manage billing contacts.</span>
+                    </IgrExpansionPanel>
+                    <IgrExpansionPanel>
+                        <span slot="title">Security</span>
+                        <span>Configure password rules, multi-factor authentication, and recovery options.</span>
+                    </IgrExpansionPanel>
+                    <IgrExpansionPanel>
+                        <span slot="title">Notifications</span>
+                        <span>Choose which product updates and account alerts are sent to your team.</span>
+                    </IgrExpansionPanel>
+                </IgrAccordion>
+            </div>
+        </div>
+    );
+}
+
+// rendering above component to the React DOM
+const root = ReactDOM.createRoot(document.getElementById('root'));
+root.render(<AccordionProgrammaticExpansion />);
diff --git a/samples/layouts/accordion/programmatic-expansion/tsconfig.json b/samples/layouts/accordion/programmatic-expansion/tsconfig.json
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+{
+  "compilerOptions": {
+    "resolveJsonModule": true,
+    "esModuleInterop": true,
+    "baseUrl": ".",
+    "outDir": "build/dist",
+    "module": "esnext",
+    "target": "es5",
+    "lib": [
+      "es6",
+      "dom"
+    ],
+    "sourceMap": true,
+    "allowJs": true,
+    "jsx": "react-jsx",
+    "moduleResolution": "node",
+    "rootDir": "src",
+    "forceConsistentCasingInFileNames": true,
+    "noImplicitReturns": true,
+    "noImplicitThis": true,
+    "noImplicitAny": true,
+    "noUnusedLocals": false,
+    "importHelpers": true,
+    "allowSyntheticDefaultImports": true,
+    "skipLibCheck": true,
+    "strict": false,
+    "isolatedModules": true,
+    "noEmit": true
+  },
+  "exclude": [
+    "node_modules",
+    "build",
+    "scripts",
+    "acceptance-tests",
+    "webpack",
+    "jest",
+    "src/setupTests.ts",
+    "**/odatajs-4.0.0.js",
+    "config-overrides.js"
+  ],
+  "include": [
+    "src"
+  ]
+}
diff --git a/samples/layouts/accordion/programmatic-expansion/vite.config.js b/samples/layouts/accordion/programmatic-expansion/vite.config.js
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+import { defineConfig } from 'vite';
+import react from '@vitejs/plugin-react';
+
+export default defineConfig({
+  plugins: [react()],
+  build: {
+    outDir: 'build'
+  },
+  server: {
+    open: false
+  },
+});