feat(storage): add dotnet deleteFolderRecursive sample

storage/api/Storage.Samples.Tests/StorageControlDeleteFolderRecursiveTest.cs

@@ -0,0 +1,48 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License").
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+using System.Linq;
+using Xunit;
+
+namespace Storage.Samples.Tests;
+
+[Collection(nameof(StorageFixture))]
+public class StorageControlDeleteFolderRecursiveTest
+{
+    private readonly StorageFixture _fixture;
+
+    public StorageControlDeleteFolderRecursiveTest(StorageFixture fixture)
+    {
+        _fixture = fixture;
+    }
+
+    [Fact]
+    public void TestStorageControlDeleteFolderRecursive()
+    {
+        string parentFolderName = _fixture.GenerateName();
+        string subfolderName = $"{parentFolderName}/{_fixture.GenerateName()}";
+        StorageControlCreateFolderSample createSample = new StorageControlCreateFolderSample();
+        var parentFolder = createSample.StorageControlCreateFolder(_fixture.BucketNameHns, parentFolderName);
+        var subfolder = createSample.StorageControlCreateFolder(_fixture.BucketNameHns, subfolderName);
+
+        StorageControlDeleteFolderRecursiveSample deleteSample = new StorageControlDeleteFolderRecursiveSample();
+        deleteSample.StorageControlDeleteFolderRecursive(_fixture.BucketNameHns, parentFolderName);
+
+        StorageControlListFoldersSample listFoldersSample = new StorageControlListFoldersSample();
+        var folders = listFoldersSample.StorageControlListFolders(_fixture.BucketNameHns);
+
+        Assert.False(folders.Any(f => f.Name == parentFolder.Name));
+        Assert.False(folders.Any(f => f.Name == subfolder.Name));
+    }
+}

storage/api/Storage.Samples/Storage.Samples.csproj

@@ -1,11 +1,11 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFramework>netstandard2.1</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Google.Cloud.Storage.Control.V2" Version="1.5.0" />
+    <PackageReference Include="Google.Cloud.Storage.Control.V2" Version="1.8.0" />
     <PackageReference Include="Google.Cloud.Storage.V1" Version="4.15.0" />
     <PackageReference Include="Google.Apis.Storage.v1" Version="*" />
   </ItemGroup>

storage/api/Storage.Samples/StorageControlDeleteFolderRecursive.cs

@@ -0,0 +1,34 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License").
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// [START storage_control_delete_folder_recursive]
+using Google.Cloud.Storage.Control.V2;
+using System;
+
+public class StorageControlDeleteFolderRecursiveSample
+{
+    public void StorageControlDeleteFolderRecursive(string bucketName = "your-unique-bucket-name", string folderName = "your_folder_name")
+    {
+        StorageControlClient storageControl = StorageControlClient.Create();
+
+        // Set project to "_" to signify globally scoped bucket
+        string folderResourceName = FolderName.FormatProjectBucketFolder("_", bucketName, folderName);
+
+        // Execute the long-running operation and wait for completion
+        storageControl.DeleteFolderRecursive(folderResourceName).PollUntilCompleted();
+
+        Console.WriteLine($"Deleted folder {folderResourceName}");
+    }
+}
+// [END storage_control_delete_folder_recursive]