Fix For OAPH With Nested Classes

src/ReactiveUI.SourceGenerator.Tests/OAPH/OAPFromObservableGeneratorTests.FromObservableMethods#TestNs.TestVM.ObservableAsPropertyFromObservable.g.verified.cs

@@ -8,7 +8,7 @@
 namespace TestNs
 {
     /// <summary>
-    /// Partial class for the TestVM which contains ReactiveUI Reactive property initialization.
+    /// Partial class for the TestVM which contains ReactiveUI Observable As Property initialization.
     /// </summary>
     public partial class TestVM
     {

src/ReactiveUI.SourceGenerator.Tests/OAPH/OAPFromObservableGeneratorTests.FromObservableMethodsWithName#TestNs.TestVM.ObservableAsPropertyFromObservable.g.verified.cs

@@ -8,7 +8,7 @@
 namespace TestNs
 {
     /// <summary>
-    /// Partial class for the TestVM which contains ReactiveUI Reactive property initialization.
+    /// Partial class for the TestVM which contains ReactiveUI Observable As Property initialization.
     /// </summary>
     public partial class TestVM
     {

src/ReactiveUI.SourceGenerator.Tests/OAPH/OAPFromObservableGeneratorTests.FromObservableProp#TestNs.TestVM.ObservableAsPropertyFromObservable.g.verified.cs

@@ -8,7 +8,7 @@
 namespace TestNs
 {
     /// <summary>
-    /// Partial class for the TestVM which contains ReactiveUI Reactive property initialization.
+    /// Partial class for the TestVM which contains ReactiveUI Observable As Property initialization.
     /// </summary>
     public partial class TestVM
     {

src/ReactiveUI.SourceGenerator.Tests/OAPH/OAPFromObservableGeneratorTests.FromObservablePropNestedClasses#ReactiveUI.SourceGenerators.ObservableAsPropertyAttribute.g.verified.cs

@@ -0,0 +1,38 @@
+//HintName: ReactiveUI.SourceGenerators.ObservableAsPropertyAttribute.g.cs
+// Copyright (c) 2025 .NET Foundation and Contributors. All rights reserved.
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for full license information.
+
+using System;
+
+// <auto-generated/>
+#pragma warning disable
+#nullable enable
+namespace ReactiveUI.SourceGenerators;
+
+/// <summary>
+/// ObservableAsPropertyAttribute.
+/// </summary>
+/// <seealso cref="Attribute" />
+[AttributeUsage(AttributeTargets.Field | AttributeTargets.Property | AttributeTargets.Method, AllowMultiple = false, Inherited = false)]
+internal sealed class ObservableAsPropertyAttribute : Attribute
+{
+    /// <summary>
+    /// Gets the name of the property.
+    /// </summary>
+    /// <value>
+    /// The name of the property.
+    /// </value>
+    public string? PropertyName { get; init; }
+
+    /// <summary>
+    /// Gets the Readonly state of the OAPH property.
+    /// </summary>
+    /// <value>
+    /// The is read only of the OAPH property.
+    /// </value>
+    public bool ReadOnly { get; init; } = true;
+}
+#nullable restore
+#pragma warning restore

src/ReactiveUI.SourceGenerator.Tests/OAPH/OAPFromObservableGeneratorTests.FromObservablePropNestedClasses#TestNs.TestVM+TestVMInner1.ObservableAsPropertyFromObservable.g.verified.cs

@@ -0,0 +1,37 @@
+//HintName: TestNs.TestVM+TestVMInner1.ObservableAsPropertyFromObservable.g.cs
+// <auto-generated/>
+using ReactiveUI;
+
+#pragma warning disable
+#nullable enable
+
+namespace TestNs
+{
+    public partial class TestVM
+{
+/// <summary>
+    /// Partial class for the TestVMInner1 which contains ReactiveUI Observable As Property initialization.
+    /// </summary>
+    public partial class TestVMInner1
+    {
+        /// <inheritdoc cref="TestIn1Property"/>
+        private int _testIn1Property;
+
+        /// <inheritdoc cref="_testIn1PropertyHelper"/>
+        private ReactiveUI.ObservableAsPropertyHelper<int>? _testIn1PropertyHelper;
+
+        /// <inheritdoc cref="_testIn1Property"/>
+        [global::System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
+        public int TestIn1Property { get => _testIn1Property = _testIn1PropertyHelper?.Value ?? _testIn1Property; }
+
+        [global::System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
+        protected void InitializeOAPH()
+        {
+            _testIn1PropertyHelper = TestIn1!.ToProperty(this, nameof(TestIn1Property));
+        }
+    }
+}
+
+}
+#nullable restore
+#pragma warning restore

src/ReactiveUI.SourceGenerator.Tests/OAPH/OAPFromObservableGeneratorTests.FromObservablePropNestedClasses#TestNs.TestVM+TestVMInner2+TestVMInner3.ObservableAsPropertyFromObservable.g.verified.cs

@@ -0,0 +1,40 @@
+//HintName: TestNs.TestVM+TestVMInner2+TestVMInner3.ObservableAsPropertyFromObservable.g.cs
+// <auto-generated/>
+using ReactiveUI;
+
+#pragma warning disable
+#nullable enable
+
+namespace TestNs
+{
+    public partial class TestVM
+{
+public partial class TestVMInner2
+{
+/// <summary>
+    /// Partial class for the TestVMInner3 which contains ReactiveUI Observable As Property initialization.
+    /// </summary>
+    public partial class TestVMInner3
+    {
+        /// <inheritdoc cref="TestIn3Property"/>
+        private int _testIn3Property;
+
+        /// <inheritdoc cref="_testIn3PropertyHelper"/>
+        private ReactiveUI.ObservableAsPropertyHelper<int>? _testIn3PropertyHelper;
+
+        /// <inheritdoc cref="_testIn3Property"/>
+        [global::System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
+        public int TestIn3Property { get => _testIn3Property = _testIn3PropertyHelper?.Value ?? _testIn3Property; }
+
+        [global::System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
+        protected void InitializeOAPH()
+        {
+            _testIn3PropertyHelper = TestIn3!.ToProperty(this, nameof(TestIn3Property));
+        }
+    }
+}
+}
+
+}
+#nullable restore
+#pragma warning restore

src/ReactiveUI.SourceGenerator.Tests/OAPH/OAPFromObservableGeneratorTests.FromObservablePropNestedClasses#TestNs.TestVM+TestVMInner2.ObservableAsPropertyFromObservable.g.verified.cs

@@ -0,0 +1,37 @@
+//HintName: TestNs.TestVM+TestVMInner2.ObservableAsPropertyFromObservable.g.cs
+// <auto-generated/>
+using ReactiveUI;
+
+#pragma warning disable
+#nullable enable
+
+namespace TestNs
+{
+    public partial class TestVM
+{
+/// <summary>
+    /// Partial class for the TestVMInner2 which contains ReactiveUI Observable As Property initialization.
+    /// </summary>
+    public partial class TestVMInner2
+    {
+        /// <inheritdoc cref="TestIn2Property"/>
+        private int _testIn2Property;
+
+        /// <inheritdoc cref="_testIn2PropertyHelper"/>
+        private ReactiveUI.ObservableAsPropertyHelper<int>? _testIn2PropertyHelper;
+
+        /// <inheritdoc cref="_testIn2Property"/>
+        [global::System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
+        public int TestIn2Property { get => _testIn2Property = _testIn2PropertyHelper?.Value ?? _testIn2Property; }
+
+        [global::System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
+        protected void InitializeOAPH()
+        {
+            _testIn2PropertyHelper = TestIn2!.ToProperty(this, nameof(TestIn2Property));
+        }
+    }
+}
+
+}
+#nullable restore
+#pragma warning restore

src/ReactiveUI.SourceGenerator.Tests/OAPH/OAPFromObservableGeneratorTests.FromObservablePropNestedClasses#TestNs.TestVM.ObservableAsPropertyFromObservable.g.verified.cs

@@ -0,0 +1,33 @@
+//HintName: TestNs.TestVM.ObservableAsPropertyFromObservable.g.cs
+// <auto-generated/>
+using ReactiveUI;
+
+#pragma warning disable
+#nullable enable
+
+namespace TestNs
+{
+    /// <summary>
+    /// Partial class for the TestVM which contains ReactiveUI Observable As Property initialization.
+    /// </summary>
+    public partial class TestVM
+    {
+        /// <inheritdoc cref="Test1Property"/>
+        private int _test1Property;
+
+        /// <inheritdoc cref="_test1PropertyHelper"/>
+        private ReactiveUI.ObservableAsPropertyHelper<int>? _test1PropertyHelper;
+
+        /// <inheritdoc cref="_test1Property"/>
+        [global::System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
+        public int Test1Property { get => _test1Property = _test1PropertyHelper?.Value ?? _test1Property; }
+
+        [global::System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
+        protected void InitializeOAPH()
+        {
+            _test1PropertyHelper = Test1!.ToProperty(this, nameof(Test1Property));
+        }
+    }
+}
+#nullable restore
+#pragma warning restore

src/ReactiveUI.SourceGenerator.Tests/OAPH/OAPFromObservableGeneratorTests.FromObservablePropertiesWithAttribute#TestNs.TestVM.ObservableAsPropertyFromObservable.g.verified.cs

@@ -8,7 +8,7 @@
 namespace TestNs
 {
     /// <summary>
-    /// Partial class for the TestVM which contains ReactiveUI Reactive property initialization.
+    /// Partial class for the TestVM which contains ReactiveUI Observable As Property initialization.
     /// </summary>
     public partial class TestVM
     {

src/ReactiveUI.SourceGenerator.Tests/OAPH/OAPFromObservableGeneratorTests.FromObservablePropertiesWithAttributeNullableRef#TestNs.TestVM.ObservableAsPropertyFromObservable.g.verified.cs

@@ -8,7 +8,7 @@
 namespace TestNs
 {
     /// <summary>
-    /// Partial class for the TestVM which contains ReactiveUI Reactive property initialization.
+    /// Partial class for the TestVM which contains ReactiveUI Observable As Property initialization.
     /// </summary>
     public partial class TestVM
     {

src/ReactiveUI.SourceGenerator.Tests/OAPH/OAPFromObservableGeneratorTests.FromObservablePropertiesWithAttributeRef#TestNs.TestVM.ObservableAsPropertyFromObservable.g.verified.cs

@@ -8,7 +8,7 @@
 namespace TestNs
 {
     /// <summary>
-    /// Partial class for the TestVM which contains ReactiveUI Reactive property initialization.
+    /// Partial class for the TestVM which contains ReactiveUI Observable As Property initialization.
     /// </summary>
     public partial class TestVM
     {

src/ReactiveUI.SourceGenerator.Tests/OAPH/OAPFromObservableGeneratorTests.FromObservablePropertiesWithName#TestNs.TestVM.ObservableAsPropertyFromObservable.g.verified.cs

@@ -8,7 +8,7 @@
 namespace TestNs
 {
     /// <summary>
-    /// Partial class for the TestVM which contains ReactiveUI Reactive property initialization.
+    /// Partial class for the TestVM which contains ReactiveUI Observable As Property initialization.
     /// </summary>
     public partial class TestVM
     {

src/ReactiveUI.SourceGenerator.Tests/OAPH/OAPGeneratorTests.FromField#TestNs.TestVM.ObservableAsProperties.g.verified.cs

@@ -4,7 +4,9 @@
 #nullable enable
 namespace TestNs
 {
-    /// <inheritdoc/>
+    /// <summary>
+    /// Partial class for the TestVM which contains ReactiveUI Observable As Property initialization.
+    /// </summary>
     public partial class TestVM
     {
         /// <inheritdoc cref="_test1Helper"/>

src/ReactiveUI.SourceGenerator.Tests/OAPH/OAPGeneratorTests.FromFieldNestedClass#ReactiveUI.SourceGenerators.ObservableAsPropertyAttribute.g.verified.cs

@@ -0,0 +1,38 @@
+//HintName: ReactiveUI.SourceGenerators.ObservableAsPropertyAttribute.g.cs
+// Copyright (c) 2025 .NET Foundation and Contributors. All rights reserved.
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for full license information.
+
+using System;
+
+// <auto-generated/>
+#pragma warning disable
+#nullable enable
+namespace ReactiveUI.SourceGenerators;
+
+/// <summary>
+/// ObservableAsPropertyAttribute.
+/// </summary>
+/// <seealso cref="Attribute" />
+[AttributeUsage(AttributeTargets.Field | AttributeTargets.Property | AttributeTargets.Method, AllowMultiple = false, Inherited = false)]
+internal sealed class ObservableAsPropertyAttribute : Attribute
+{
+    /// <summary>
+    /// Gets the name of the property.
+    /// </summary>
+    /// <value>
+    /// The name of the property.
+    /// </value>
+    public string? PropertyName { get; init; }
+
+    /// <summary>
+    /// Gets the Readonly state of the OAPH property.
+    /// </summary>
+    /// <value>
+    /// The is read only of the OAPH property.
+    /// </value>
+    public bool ReadOnly { get; init; } = true;
+}
+#nullable restore
+#pragma warning restore

src/ReactiveUI.SourceGenerator.Tests/OAPH/OAPGeneratorTests.FromFieldNestedClass#TestNs.TestVM+TestVMInner1.ObservableAsProperties.g.verified.cs

@@ -0,0 +1,25 @@
+//HintName: TestNs.TestVM+TestVMInner1.ObservableAsProperties.g.cs
+// <auto-generated/>
+#pragma warning disable
+#nullable enable
+namespace TestNs
+{
+    public partial class TestVM
+{
+/// <summary>
+    /// Partial class for the TestVMInner1 which contains ReactiveUI Observable As Property initialization.
+    /// </summary>
+    public partial class TestVMInner1
+    {
+        /// <inheritdoc cref="_testIn1Helper"/>
+        private readonly ReactiveUI.ObservableAsPropertyHelper<int> _testIn1Helper;
+
+        /// <inheritdoc cref="_testIn1"/>
+        [global::System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
+        public int TestIn1 { get => _testIn1 = _testIn1Helper?.Value ?? _testIn1; }
+    }
+}
+
+}
+#nullable restore
+#pragma warning restore

src/ReactiveUI.SourceGenerator.Tests/OAPH/OAPGeneratorTests.FromFieldNestedClass#TestNs.TestVM+TestVMInner2+TestVMInner3.ObservableAsProperties.g.verified.cs

@@ -0,0 +1,28 @@
+//HintName: TestNs.TestVM+TestVMInner2+TestVMInner3.ObservableAsProperties.g.cs
+// <auto-generated/>
+#pragma warning disable
+#nullable enable
+namespace TestNs
+{
+    public partial class TestVM
+{
+public partial class TestVMInner2
+{
+/// <summary>
+    /// Partial class for the TestVMInner3 which contains ReactiveUI Observable As Property initialization.
+    /// </summary>
+    public partial class TestVMInner3
+    {
+        /// <inheritdoc cref="_testIn3Helper"/>
+        private readonly ReactiveUI.ObservableAsPropertyHelper<int> _testIn3Helper;
+
+        /// <inheritdoc cref="_testIn3"/>
+        [global::System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
+        public int TestIn3 { get => _testIn3 = _testIn3Helper?.Value ?? _testIn3; }
+    }
+}
+}
+
+}
+#nullable restore
+#pragma warning restore

src/ReactiveUI.SourceGenerator.Tests/OAPH/OAPGeneratorTests.FromFieldNestedClass#TestNs.TestVM+TestVMInner2.ObservableAsProperties.g.verified.cs

@@ -0,0 +1,25 @@
+//HintName: TestNs.TestVM+TestVMInner2.ObservableAsProperties.g.cs
+// <auto-generated/>
+#pragma warning disable
+#nullable enable
+namespace TestNs
+{
+    public partial class TestVM
+{
+/// <summary>
+    /// Partial class for the TestVMInner2 which contains ReactiveUI Observable As Property initialization.
+    /// </summary>
+    public partial class TestVMInner2
+    {
+        /// <inheritdoc cref="_testIn2Helper"/>
+        private readonly ReactiveUI.ObservableAsPropertyHelper<int> _testIn2Helper;
+
+        /// <inheritdoc cref="_testIn2"/>
+        [global::System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
+        public int TestIn2 { get => _testIn2 = _testIn2Helper?.Value ?? _testIn2; }
+    }
+}
+
+}
+#nullable restore
+#pragma warning restore