MicrosoftEdge · ojasvi1450 · Nov 3, 2025 · Nov 3, 2025
diff --git a/SampleApps/WebView2APISample/AppWindow.cpp b/SampleApps/WebView2APISample/AppWindow.cpp
@@ -55,6 +55,7 @@
 #include "ScenarioSaveAs.h"
 #include "ScenarioScreenCapture.h"
 #include "ScenarioSensitivityLabel.h"
+#include "ScenarioServiceWorkerWRR.h"
 #include "ScenarioSharedBuffer.h"
 #include "ScenarioSharedWorkerWRR.h"
 #include "ScenarioThrottlingControl.h"
@@ -611,6 +612,11 @@ bool AppWindow::ExecuteWebViewCommands(WPARAM wParam, LPARAM lParam)
         NewComponent<ScenarioSharedWorkerWRR>(this);
         return true;
     }
+    case IDM_SCENARIO_SERVICE_WORKER_WRR:
+    {
+        NewComponent<ScenarioServiceWorkerWRR>(this);
+        return true;
+    }
     case IDM_SCENARIO_SHARED_BUFFER:
     {
         NewComponent<ScenarioSharedBuffer>(this);

diff --git a/SampleApps/WebView2APISample/AppWindow.h b/SampleApps/WebView2APISample/AppWindow.h
@@ -172,7 +172,6 @@ class AppWindow
     {
         return m_webviewOption;
     }
-
 private:
     static PCWSTR GetWindowClass();
 
@@ -291,6 +290,7 @@ class AppWindow
 
     bool m_CustomCrashReportingEnabled = false;
     bool m_TrackingPreventionEnabled = true;
+private:
     // Fullscreen related code
     RECT m_previousWindowRect;
     HMENU m_hMenu;
@@ -299,6 +299,7 @@ class AppWindow
     bool m_isPopupWindow = false;
     void EnterFullScreen();
     void ExitFullScreen();
+
     // Compositor creation helper methods
     HRESULT DCompositionCreateDevice2(IUnknown* renderingDevice, REFIID riid, void** ppv);
     HRESULT TryCreateDispatcherQueue();

diff --git a/SampleApps/WebView2APISample/ScenarioServiceWorkerWRR.cpp b/SampleApps/WebView2APISample/ScenarioServiceWorkerWRR.cpp
@@ -0,0 +1,100 @@
+// Copyright (C) Microsoft Corporation. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "stdafx.h"
+
+#include "ScenarioServiceWorkerWRR.h"
+
+#include "AppWindow.h"
+#include "CheckFailure.h"
+
+#include "shlwapi.h"
+
+using namespace Microsoft::WRL;
+
+static constexpr WCHAR c_samplePath[] =
+    L"https://mdn.github.io/dom-examples/service-worker/simple-service-worker/";
+static constexpr WCHAR c_wrrUrlPattern[] = L"*";
+
+ScenarioServiceWorkerWRR::ScenarioServiceWorkerWRR(AppWindow* appWindow)
+    : m_appWindow(appWindow), m_webView(appWindow->GetWebView()), m_sampleUri(c_samplePath)
+{
+    wil::com_ptr<ICoreWebView2_22> webView_22 = m_webView.try_query<ICoreWebView2_22>();
+    CHECK_FEATURE_RETURN_EMPTY(webView_22);
+
+    webView_22->AddWebResourceRequestedFilterWithRequestSourceKinds(
+        c_wrrUrlPattern, COREWEBVIEW2_WEB_RESOURCE_CONTEXT_ALL,
+        COREWEBVIEW2_WEB_RESOURCE_REQUEST_SOURCE_KINDS_ALL);
+    webView_22->add_WebResourceRequested(
+        Callback<ICoreWebView2WebResourceRequestedEventHandler>(
+            [this](ICoreWebView2* sender, ICoreWebView2WebResourceRequestedEventArgs* args)
+                -> HRESULT
+            {
+                COREWEBVIEW2_WEB_RESOURCE_CONTEXT resourceContext;
+                args->get_ResourceContext(&resourceContext);
+                wil::com_ptr<ICoreWebView2WebResourceRequest> request;
+                CHECK_FAILURE(args->get_Request(&request));
+                wil::unique_cotaskmem_string uri;
+                CHECK_FAILURE(request->get_Uri(&uri));
+                if (wcscmp(uri.get(), c_samplePath) != 0)
+                {
+                    return S_OK;
+                }
+
+                wil::com_ptr<IStream> stream;
+                // Create a stream with some text content
+                std::string content = "<html><head><script>"
+                                      "navigator.serviceWorker.register('sw.js')"
+                                      "</script></head><body><h1>Response from WV2 "
+                                      "interceptor!</h1></body></html>";
+
+                stream.attach(SHCreateMemStream(
+                    reinterpret_cast<const BYTE*>(content.c_str()),
+                    static_cast<UINT>(content.size())));
+
+                wil::com_ptr<ICoreWebView2WebResourceResponse> response;
+                wil::com_ptr<ICoreWebView2Environment> environment;
+                wil::com_ptr<ICoreWebView2_2> webview2;
+                m_webView->QueryInterface(IID_PPV_ARGS(&webview2));
+                webview2->get_Environment(&environment);
+                environment->CreateWebResourceResponse(
+                    stream.get(), 200, L"OK", L"Content-Type: text/html", &response);
+                args->put_Response(response.get());
+                return S_OK;
+            })
+            .Get(),
+        &m_webResourceRequestedToken);
+
+    // Turn off this scenario if we navigate away from the sample page.
+    CHECK_FAILURE(m_webView->add_ContentLoading(
+        Callback<ICoreWebView2ContentLoadingEventHandler>(
+            [this](ICoreWebView2* sender, ICoreWebView2ContentLoadingEventArgs* args) -> HRESULT
+            {
+                wil::unique_cotaskmem_string uri;
+                sender->get_Source(&uri);
+                if (uri.get() != m_sampleUri)
+                {
+                    m_appWindow->DeleteComponent(this);
+                }
+                return S_OK;
+            })
+            .Get(),
+        &m_contentLoadingToken));
+
+    CHECK_FAILURE(m_webView->Navigate(m_sampleUri.c_str()));
+}
+
+ScenarioServiceWorkerWRR::~ScenarioServiceWorkerWRR()
+{
+    wil::com_ptr<ICoreWebView2_22> webView_22 = m_webView.try_query<ICoreWebView2_22>();
+    if (webView_22)
+    {
+        CHECK_FAILURE(webView_22->RemoveWebResourceRequestedFilterWithRequestSourceKinds(
+            c_wrrUrlPattern, COREWEBVIEW2_WEB_RESOURCE_CONTEXT_ALL,
+            COREWEBVIEW2_WEB_RESOURCE_REQUEST_SOURCE_KINDS_ALL));
+    }
+
+    CHECK_FAILURE(m_webView->remove_WebResourceRequested(m_webResourceRequestedToken));
+    m_webView->remove_ContentLoading(m_contentLoadingToken);
+}
diff --git a/SampleApps/WebView2APISample/ScenarioServiceWorkerWRR.h b/SampleApps/WebView2APISample/ScenarioServiceWorkerWRR.h
@@ -0,0 +1,26 @@
+// Copyright (C) Microsoft Corporation. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "stdafx.h"
+
+#include <string>
+
+#include "AppWindow.h"
+#include "ComponentBase.h"
+
+// This sample demonstrates how to intercept Service Worker requests with
+// WebResourceRequested event.
+class ScenarioServiceWorkerWRR : public ComponentBase
+{
+public:
+    ScenarioServiceWorkerWRR(AppWindow* appWindow);
+    ~ScenarioServiceWorkerWRR() override;
+
+private:
+    AppWindow* m_appWindow;
+    wil::com_ptr<ICoreWebView2> m_webView;
+    std::wstring m_sampleUri;
+    EventRegistrationToken m_contentLoadingToken = {};
+    EventRegistrationToken m_webResourceRequestedToken = {};
+};
diff --git a/SampleApps/WebView2APISample/WebView2APISample.rc b/SampleApps/WebView2APISample/WebView2APISample.rc
@@ -261,9 +261,13 @@ BEGIN
             MENUITEM "Install Default Extensions",      IDM_SCENARIO_EXTENSIONS_MANAGEMENT_INSTALL_DEFAULT
             MENUITEM "Offload Default Extensions",      IDM_SCENARIO_EXTENSIONS_MANAGEMENT_OFFLOAD_DEFAULT
         END
-        MENUITEM "Custom scheme WebResourceRequested CORS", IDM_SCENARIO_CUSTOM_SCHEME
-        MENUITEM "Navigate to custom scheme via WebResourceRequested",   IDM_SCENARIO_CUSTOM_SCHEME_NAVIGATE
-        MENUITEM "Shared worker WebResourceRequested",   IDM_SCENARIO_SHARED_WORKER
+        POPUP "WebResourceRequested"
+        BEGIN
+            MENUITEM "Custom scheme WebResourceRequested CORS", IDM_SCENARIO_CUSTOM_SCHEME
+            MENUITEM "Navigate to custom scheme via WebResourceRequested",   IDM_SCENARIO_CUSTOM_SCHEME_NAVIGATE
+            MENUITEM "Service worker WebResourceRequested",   IDM_SCENARIO_SERVICE_WORKER_WRR
+            MENUITEM "Shared worker WebResourceRequested",   IDM_SCENARIO_SHARED_WORKER
+        END
         POPUP "Custom Download Experience"
         BEGIN
             MENUITEM "Use Deferred Download Dialog",  IDM_SCENARIO_USE_DEFERRED_DOWNLOAD
@@ -297,7 +301,6 @@ BEGIN
         MENUITEM "Web Messaging",               IDM_SCENARIO_POST_WEB_MESSAGE
         MENUITEM "WebView Event Monitor",       IDM_SCENARIO_WEB_VIEW_EVENT_MONITOR
         MENUITEM "WebView Window Controls Overlay",       IDM_SCENARIO_WINDOW_CONTROLS_OVERLAY
-
         MENUITEM "Dropped file path",           IDM_SCENARIO_DROPPED_FILE_PATH
         POPUP "Save As"
         BEGIN

diff --git a/SampleApps/WebView2APISample/WebView2APISample.vcxproj b/SampleApps/WebView2APISample/WebView2APISample.vcxproj
@@ -253,6 +253,7 @@
     <ClInclude Include="ScenarioSensitivityLabel.h" />
     <ClInclude Include="ScenarioServiceWorkerManager.h" />
     <ClInclude Include="ScenarioServiceWorkerPostMessage.h" />
+    <ClInclude Include="ScenarioServiceWorkerWRR.h" />
     <ClInclude Include="ScenarioSharedBuffer.h" />
     <ClInclude Include="ScenarioSharedWorkerManager.h" />
     <ClInclude Include="ScenarioSharedWorkerWRR.h" />
@@ -315,6 +316,7 @@
     <ClCompile Include="ScenarioSensitivityLabel.cpp" />
     <ClCompile Include="ScenarioServiceWorkerManager.cpp" />
     <ClCompile Include="ScenarioServiceWorkerPostMessage.cpp" />
+    <ClCompile Include="ScenarioServiceWorkerWRR.cpp" />
     <ClCompile Include="ScenarioSharedBuffer.cpp" />
     <ClCompile Include="ScenarioSharedWorkerManager.cpp" />
     <ClCompile Include="ScenarioSharedWorkerWRR.cpp" />
@@ -451,6 +453,9 @@
     <CopyFileToFolders Include="assets/ScenarioThrottlingControlMonitor.js">
       <DestinationFolders>$(OutDir)\assets</DestinationFolders>
     </CopyFileToFolders>
+    <CopyFileToFolders Include="assets/ScenarioWebrtcUdpPortConfiguration.html">
+      <DestinationFolders>$(OutDir)\assets</DestinationFolders>
+    </CopyFileToFolders>
     <CopyFileToFolders Include="assets/ScenarioWindowControlsOverlay.html">
       <DestinationFolders>$(OutDir)\assets</DestinationFolders>
     </CopyFileToFolders>
@@ -525,13 +530,13 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
     <Import Project="..\packages\Microsoft.Windows.ImplementationLibrary.1.0.220201.1\build\native\Microsoft.Windows.ImplementationLibrary.targets" Condition="Exists('..\packages\Microsoft.Windows.ImplementationLibrary.1.0.220201.1\build\native\Microsoft.Windows.ImplementationLibrary.targets')" />
-    <Import Project="..\packages\Microsoft.Web.WebView2.1.0.3590-prerelease\build\native\Microsoft.Web.WebView2.targets" Condition="Exists('..\packages\Microsoft.Web.WebView2.1.0.3590-prerelease\build\native\Microsoft.Web.WebView2.targets')" />
+    <Import Project="..\packages\Microsoft.Web.WebView2.1.0.3650-prerelease\build\native\Microsoft.Web.WebView2.targets" Condition="Exists('..\packages\Microsoft.Web.WebView2.1.0.3650-prerelease\build\native\Microsoft.Web.WebView2.targets')" />
   </ImportGroup>
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
     <Error Condition="!Exists('..\packages\Microsoft.Windows.ImplementationLibrary.1.0.220201.1\build\native\Microsoft.Windows.ImplementationLibrary.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.Windows.ImplementationLibrary.1.0.220201.1\build\native\Microsoft.Windows.ImplementationLibrary.targets'))" />
-    <Error Condition="!Exists('..\packages\Microsoft.Web.WebView2.1.0.3590-prerelease\build\native\Microsoft.Web.WebView2.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.Web.WebView2.1.0.3590-prerelease\build\native\Microsoft.Web.WebView2.targets'))" />
+    <Error Condition="!Exists('..\packages\Microsoft.Web.WebView2.1.0.3650-prerelease\build\native\Microsoft.Web.WebView2.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.Web.WebView2.1.0.3650-prerelease\build\native\Microsoft.Web.WebView2.targets'))" />
   </Target>
 </Project>
diff --git a/SampleApps/WebView2APISample/assets/ScenarioSensitivityLabelChanged.html b/SampleApps/WebView2APISample/assets/ScenarioSensitivityLabelChanged.html
@@ -2,119 +2,69 @@
 <html lang="en">
 <head>
     <meta charset="utf-8" />
-    <title>Sensitivity Label Changed Scenario</title>
+    <title>Sensitivity Label API Sample</title>
     <link rel="stylesheet" href="ScenarioSensitivityLabelChanged.css">
 </head>
 <body>
     <div class="container">
-        <h1>Sensitivity Label Changed Event Scenario</h1>
+        <h1>Sensitivity Label API Sample</h1>
 
+        <!-- Info box for the feature -->
         <div class="info-box">
-            <h3>About This Scenario</h3>
-            <p>This scenario demonstrates the <strong>SensitivityLabelChanged</strong> event in WebView2. This event is fired when the sensitivity label of the document changes, typically used in Microsoft Information Protection (MIP) scenarios.</p>
-
-            <p>The WebView2 control has registered an event handler that will show a popup dialog whenever a sensitivity label change is detected.</p>
-        </div>
-
-        <div id="pirmWarningBox" class="error-box" style="display: none;">
-            <h3>❌ PageInteractionRestrictionManager Not Available</h3>
-            <p><strong>The navigator.pageInteractionRestrictionManager API is not available on this page.</strong></p>
-            <p>To enable this API, you need to add this URL to the PageInteractionRestrictionManager allowlist:</p>
-            <div class="code">
-                <strong>URL to Add:</strong> <span id="currentUrl"></span>
-            </div>
-            <p><strong>How to fix:</strong></p>
-            <ol>
-                <li>Go to <strong>Scenario → Sensitivity Label → Set Allowlist</strong> in the menu</li>
-                <li>Add the URL shown above to the allowlist</li>
-                <li>Refresh this page to try again</li>
-            </ol>
+            <h3>About This Sample</h3>
+            <p>This sample demonstrates how to use the <strong>PageInteractionRestrictionManager API</strong> to add and remove sensitivity labels, which triggers the <strong>SensitivityInfoChanged</strong> event in WebView2.</p>
         </div>
 
-        <div id="pirmAvailableBox" class="info-box" style="display: none;">
-            <h3>✅ PageInteractionRestrictionManager Available</h3>
-            <p>The navigator.pageInteractionRestrictionManager API is available and ready to use!</p>
+        <!-- Status box for API availability -->
+        <div id="pirmStatus" class="status-box">
+            <h3>API Status</h3>
+            <p id="pirmStatusText">Checking PageInteractionRestrictionManager availability...</p>
         </div>
 
+        <!-- Form for adding sensitivity labels -->
         <div class="form-container">
             <h3>Add Sensitivity Label</h3>
-            <p>Enter the Label ID GUID and Organization ID GUID to apply a sensitivity label to this page:</p>
-
-            <div class="form-group">
-                <label for="labelIdInput">Label ID GUID:</label>
-                <input type="text" id="labelIdInput" placeholder="e.g., 12345678-1234-1234-1234-123456789abc" />
-            </div>
-
-            <div class="form-group">
-                <label for="orgIdInput">Organization ID GUID:</label>
-                <input type="text" id="orgIdInput" placeholder="e.g., 87654321-4321-4321-4321-cba987654321" />
-            </div>
-
-            <button id="addLabelBtn" onclick="applySensitivityLabel()">Add Sensitivity Label</button>
+            <label for="labelId">Label ID GUID:</label>
+            <input type="text" id="labelId" placeholder="12345678-1234-1234-1234-123456789abc" />
 
-            <div id="resultBox" class="result-box">
-                <strong>Success:</strong> <span id="resultMessage"></span>
-            </div>
+            <label for="orgId">Organization ID GUID:</label>
+            <input type="text" id="orgId" placeholder="87654321-4321-4321-4321-cba987654321" />
 
-            <div id="errorBox" class="error-box">
-                <strong>Error:</strong> <span id="errorMessage"></span>
-            </div>
+            <button onclick="addLabel()">Add Label</button>
         </div>
 
+        <!-- Form for removing sensitivity labels -->
         <div class="form-container">
             <h3>Remove Sensitivity Label</h3>
-            <p>Select a label ID from the list below to remove an existing sensitivity label:</p>
+            <label for="labelSelect">Select Label to Remove:</label>
+            <select id="labelSelect">
+                <option value="">No labels available</option>
+            </select>
 
-            <div class="form-group">
-                <label for="removeLabelSelect">Select Label ID to Remove:</label>
-                <select id="removeLabelSelect" disabled>
-                    <option value="">No labels available</option>
-                </select>
-            </div>
-
-            <button id="removeLabelBtn" onclick="removeSensitivityLabel()" disabled>Remove Selected Label</button>
+            <button onclick="removeLabel()">Remove Label</button>
         </div>
 
-        <h3>Test the Event</h3>
-        <p>The sample app scenario can be tested with the following steps:</p>
-        <ol>
-            <li>Enter valid Label ID GUID and Organization ID GUID in the "Add Sensitivity Label" form above</li>
-            <li>Click the "Add Sensitivity Label" button to apply a label (you can add multiple labels with different IDs)</li>
-            <li>Select a label ID from the dropdown in the "Remove Sensitivity Label" section</li>
-            <li>Click the "Remove Selected Label" button to remove the chosen label</li>
-            <li>Observe the popup dialog that appears when the SensitivityLabelChanged event fires for both add and remove operations</li>
-            <li>Alternatively, navigate to a document or website that supports Microsoft Information Protection</li>
-        </ol>
+        <!-- Logs of actions -->
+        <div>
+          <h3>Last Operation Status</h3>
+          <p id="output" class="output"></p>
+        </div>
 
-        <div class="code">
-            <h4>JavaScript API Calls:</h4>
+        <!-- Code sample for API usage -->
+        <div class="code-sample">
+            <h3>API Usage</h3>
             <pre>
-// API call for adding a label (executed when you click "Add Sensitivity Label")
-let lm = await navigator.pageInteractionRestrictionManager.requestLabelManager();
-let label_ = await lm.addLabel('MicrosoftSensitivityLabel', {
+// Add a sensitivity label
+const labelManager = await navigator.pageInteractionRestrictionManager.requestLabelManager();
+const label = await labelManager.addLabel('MicrosoftSensitivityLabel', {
     label: 'your-label-guid',
     organization: 'your-org-guid'
 });
 
-// API call for removing a label (executed when you click "Remove Sensitivity Label")
-// Note: remove() is called on the label object returned by addLabel
-let result = await label_.remove();
-
-// Both operations will trigger the SensitivityLabelChanged event in the WebView2 control
+// Remove a sensitivity label
+await label.remove();
             </pre>
         </div>
-
-        <h3>Event Handler Details</h3>
-        <p>The C++ event handler registered for this scenario:</p>
-        <ul>
-            <li>Captures the new sensitivity label value</li>
-            <li>Shows a popup dialog with the label information</li>
-            <li>Includes timestamp for when the event occurred</li>
-            <li>Provides context about Microsoft Information Protection</li>
-        </ul>
-
-        <p><em>Navigate to a page with Microsoft Information Protection to see the event in action!</em></p>
-
     </div>
 
     <script src="ScenarioSensitivityLabelChanged.js"></script>