diff --git a/docs/standard/native-interop/snippets/marshalling-data-with-platform-invoke/csharp/PInvokeLibManaged/NativeMethods.cs b/docs/standard/native-interop/snippets/marshalling-data-with-platform-invoke/csharp/PInvokeLibManaged/NativeMethods.cs
index 95ad89611b78d..62856b31866d4 100644
--- a/docs/standard/native-interop/snippets/marshalling-data-with-platform-invoke/csharp/PInvokeLibManaged/NativeMethods.cs
+++ b/docs/standard/native-interop/snippets/marshalling-data-with-platform-invoke/csharp/PInvokeLibManaged/NativeMethods.cs
@@ -86,5 +86,11 @@ internal static extern int TestArrayOfStructs2(
 
     [DllImport("PinvokeLib.dll", CallingConvention = CallingConvention.Cdecl)]
     internal static extern void TestArrayInStruct(ref MyArrayStruct myStruct);
+
+    [DllImport("PinvokeLib.dll", CallingConvention = CallingConvention.Cdecl)]
+    internal static extern unsafe void* CreateTestClass();
+
+    [DllImport("PinvokeLib.dll", CallingConvention = CallingConvention.Cdecl)]
+    internal static extern unsafe void DeleteTestClass(void* instance);
 }
 // </NativeMethods>
diff --git a/docs/standard/native-interop/snippets/marshalling-data-with-platform-invoke/csharp/PInvokeLibManaged/PInvokeLibManaged.csproj b/docs/standard/native-interop/snippets/marshalling-data-with-platform-invoke/csharp/PInvokeLibManaged/PInvokeLibManaged.csproj
index ed9781c223ab9..598db52879f65 100644
--- a/docs/standard/native-interop/snippets/marshalling-data-with-platform-invoke/csharp/PInvokeLibManaged/PInvokeLibManaged.csproj
+++ b/docs/standard/native-interop/snippets/marshalling-data-with-platform-invoke/csharp/PInvokeLibManaged/PInvokeLibManaged.csproj
@@ -5,6 +5,7 @@
     <TargetFramework>net10.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
 
 </Project>
diff --git a/docs/standard/native-interop/snippets/marshalling-data-with-platform-invoke/vb/PInvokeLibManaged/NativeMethods.vb b/docs/standard/native-interop/snippets/marshalling-data-with-platform-invoke/vb/PInvokeLibManaged/NativeMethods.vb
index bbccef564a151..3234efc5ef2be 100644
--- a/docs/standard/native-interop/snippets/marshalling-data-with-platform-invoke/vb/PInvokeLibManaged/NativeMethods.vb
+++ b/docs/standard/native-interop/snippets/marshalling-data-with-platform-invoke/vb/PInvokeLibManaged/NativeMethods.vb
@@ -90,5 +90,13 @@ Friend Class NativeMethods
     <DllImport("PinvokeLib.dll", CallingConvention:=CallingConvention.Cdecl)>
     Friend Shared Sub TestArrayInStruct(ByRef myStruct As MyArrayStruct)
     End Sub
+
+    <DllImport("PinvokeLib.dll", CallingConvention:=CallingConvention.Cdecl)>
+    Friend Shared Function CreateTestClass() As IntPtr
+    End Function
+
+    <DllImport("PinvokeLib.dll", CallingConvention:=CallingConvention.Cdecl)>
+    Friend Shared Sub DeleteTestClass(ByVal instance As IntPtr)
+    End Sub
 End Class
 ' </NativeMethods>