Move search functionality to ILSpyX

ICSharpCode.ILSpyX/Abstractions/ILanguage.cs

@@ -0,0 +1,36 @@
+// Copyright (c) 2022 Siegfried Pammer
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy of this
+// software and associated documentation files (the "Software"), to deal in the Software
+// without restriction, including without limitation the rights to use, copy, modify, merge,
+// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
+// to whom the Software is furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in all copies or
+// substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
+// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+
+using ICSharpCode.Decompiler.Metadata;
+using ICSharpCode.Decompiler.TypeSystem;
+
+namespace ICSharpCode.ILSpyX.Abstractions
+{
+	public interface ILanguage
+	{
+		bool ShowMember(IEntity member);
+		string GetEntityName(PEFile module, System.Reflection.Metadata.EntityHandle handle, bool fullName, bool omitGenerics);
+		string GetTooltip(IEntity entity);
+
+		string TypeToString(IType type, bool includeNamespace);
+		string MethodToString(IMethod method, bool includeDeclaringTypeName, bool includeNamespace, bool includeNamespaceOfDeclaringTypeName);
+		string FieldToString(IField field, bool includeDeclaringTypeName, bool includeNamespace, bool includeNamespaceOfDeclaringTypeName);
+		string PropertyToString(IProperty property, bool includeDeclaringTypeName, bool includeNamespace, bool includeNamespaceOfDeclaringTypeName);
+		string EventToString(IEvent @event, bool includeDeclaringTypeName, bool includeNamespace, bool includeNamespaceOfDeclaringTypeName);
+	}
+}

ICSharpCode.ILSpyX/Abstractions/ITreeNode.cs

@@ -0,0 +1,44 @@
+// Copyright (c) 2022 Siegfried Pammer
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy of this
+// software and associated documentation files (the "Software"), to deal in the Software
+// without restriction, including without limitation the rights to use, copy, modify, merge,
+// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
+// to whom the Software is furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in all copies or
+// substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
+// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+
+using System.Collections.Generic;
+
+using ICSharpCode.Decompiler.Metadata;
+
+namespace ICSharpCode.ILSpyX.Abstractions
+{
+	public interface ITreeNode
+	{
+		object Text { get; }
+		object Icon { get; }
+		IEnumerable<ITreeNode> Children { get; }
+
+		void EnsureLazyChildren();
+	}
+
+	public interface IResourcesFileTreeNode : ITreeNode
+	{
+		Resource Resource { get; }
+	}
+
+	public interface ITreeNodeFactory
+	{
+		ITreeNode CreateResourcesList(PEFile module);
+		ITreeNode Create(Resource resource);
+	}
+}

ICSharpCode.ILSpyX/ApiVisibility.cs

@@ -0,0 +1,27 @@
+// Copyright (c) 2011 AlphaSierraPapa for the SharpDevelop Team
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy of this
+// software and associated documentation files (the "Software"), to deal in the Software
+// without restriction, including without limitation the rights to use, copy, modify, merge,
+// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
+// to whom the Software is furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in all copies or
+// substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
+// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+
+namespace ICSharpCode.ILSpyX
+{
+	public enum ApiVisibility
+	{
+		PublicOnly,
+		PublicAndInternal,
+		All
+	}
+}

ICSharpCode.ILSpyX/LoadedAssemblyExtensions.cs

@@ -1,6 +1,7 @@
 using System;
 using System.IO;
 
+using ICSharpCode.Decompiler;
 using ICSharpCode.Decompiler.DebugInfo;
 using ICSharpCode.Decompiler.Metadata;
 using ICSharpCode.Decompiler.TypeSystem;
@@ -46,6 +47,11 @@ namespace ICSharpCode.ILSpyX
 			return GetLoadedAssembly(file).GetTypeSystemOrNull();
 		}
 
+		public static ICompilation? GetTypeSystemWithDecompilerSettingsOrNull(this PEFile file, DecompilerSettings settings)
+		{
+			return GetLoadedAssembly(file).GetTypeSystemOrNull(DecompilerTypeSystem.GetOptions(settings));
+		}
+
 		public static LoadedAssembly GetLoadedAssembly(this PEFile file)
 		{
 			if (file == null)

ICSharpCode.ILSpyX/Search/AbstractEntitySearchStrategy.cs

@@ -0,0 +1,96 @@
+// Copyright (c) 2011 AlphaSierraPapa for the SharpDevelop Team
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy of this
+// software and associated documentation files (the "Software"), to deal in the Software
+// without restriction, including without limitation the rights to use, copy, modify, merge,
+// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
+// to whom the Software is furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in all copies or
+// substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
+// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+
+using System;
+using System.Collections.Concurrent;
+
+namespace ICSharpCode.ILSpyX.Search
+{
+	using ICSharpCode.Decompiler.TypeSystem;
+	using ICSharpCode.ILSpyX.Abstractions;
+
+	abstract class AbstractEntitySearchStrategy : AbstractSearchStrategy
+	{
+		protected readonly ILanguage language;
+		protected readonly ApiVisibility apiVisibility;
+
+		protected AbstractEntitySearchStrategy(ILanguage language, ApiVisibility apiVisibility,
+			SearchRequest searchRequest, IProducerConsumerCollection<SearchResult> resultQueue)
+			: base(searchRequest, resultQueue)
+		{
+			this.language = language;
+			this.apiVisibility = apiVisibility;
+		}
+
+		protected bool CheckVisibility(IEntity entity)
+		{
+			if (apiVisibility == ApiVisibility.All)
+				return true;
+
+			do
+			{
+				if (apiVisibility == ApiVisibility.PublicOnly)
+				{
+					if (!(entity.Accessibility == Accessibility.Public ||
+						entity.Accessibility == Accessibility.Protected ||
+						entity.Accessibility == Accessibility.ProtectedOrInternal))
+						return false;
+				}
+				else if (apiVisibility == ApiVisibility.PublicAndInternal)
+				{
+					if (!language.ShowMember(entity))
+						return false;
+				}
+				entity = entity.DeclaringTypeDefinition;
+			}
+			while (entity != null);
+
+			return true;
+		}
+
+		protected bool IsInNamespaceOrAssembly(IEntity entity)
+		{
+			if (searchRequest.InAssembly != null)
+			{
+				if (!entity.ParentModule.FullAssemblyName.Contains(searchRequest.InAssembly))
+				{
+					return false;
+				}
+			}
+
+			if (searchRequest.InNamespace != null)
+			{
+				if (searchRequest.InNamespace.Length == 0)
+				{
+					return entity.Namespace.Length == 0;
+				}
+				else if (!entity.Namespace.Contains(searchRequest.InNamespace))
+				{
+					return false;
+				}
+			}
+
+			return true;
+		}
+
+		protected void OnFoundResult(IEntity entity)
+		{
+			OnFoundResult(searchRequest.SearchResultFactory.Create(entity));
+		}
+	}
+}

ICSharpCode.ILSpyX/Search/AbstractSearchStrategy.cs

@@ -21,12 +21,33 @@ using System.Collections.Concurrent;
 using System.Text.RegularExpressions;
 using System.Threading;
 
+using ICSharpCode.Decompiler;
 using ICSharpCode.Decompiler.Metadata;
+using ICSharpCode.ILSpyX.Abstractions;
 
-namespace ICSharpCode.ILSpy.Search
+namespace ICSharpCode.ILSpyX.Search
 {
+	public enum SearchMode
+	{
+		TypeAndMember,
+		Type,
+		Member,
+		Method,
+		Field,
+		Property,
+		Event,
+		Literal,
+		Token,
+		Resource,
+		Assembly,
+		Namespace
+	}
+
 	struct SearchRequest
 	{
+		public DecompilerSettings DecompilerSettings;
+		public ITreeNodeFactory TreeNodeFactory;
+		public ISearchResultFactory SearchResultFactory;
 		public SearchMode Mode;
 		public AssemblySearchKind AssemblySearchKind;
 		public MemberSearchKind MemberSearchKind;

ICSharpCode.ILSpyX/Search/AssemblySearchStrategy.cs

@@ -22,7 +22,7 @@ using System.Threading;
 
 using ICSharpCode.Decompiler.Metadata;
 
-namespace ICSharpCode.ILSpy.Search
+namespace ICSharpCode.ILSpyX.Search
 {
 	class AssemblySearchStrategy : AbstractSearchStrategy
 	{
@@ -92,15 +92,7 @@ namespace ICSharpCode.ILSpy.Search
 
 		void OnFoundResult(PEFile module)
 		{
-			var result = new AssemblySearchResult {
-				Module = module,
-				Fitness = 1.0f / module.Name.Length,
-				Name = module.Name,
-				Location = module.FileName,
-				Assembly = module.FullName,
-				ToolTip = module.FileName,
-			};
-			OnFoundResult(result);
+			OnFoundResult(searchRequest.SearchResultFactory.Create(module));
 		}
 	}
 

ICSharpCode.ILSpyX/Search/CSharpLexer.cs

@@ -22,7 +22,7 @@ using System.Globalization;
 using System.IO;
 using System.Text;
 
-namespace ICSharpCode.ILSpy
+namespace ICSharpCode.ILSpyX.Search
 {
 	class LATextReader : TextReader
 	{
@@ -76,8 +76,7 @@ namespace ICSharpCode.ILSpy
 		OctalNumber,
 		StringLiteral,
 		VerbatimStringLiteral,
-		CharLiteral,
-		DateTimeLiteral
+		CharLiteral
 	}
 
 	class Literal

ICSharpCode.ILSpyX/Search/LiteralSearchStrategy.cs

@@ -25,19 +25,20 @@ using ICSharpCode.Decompiler.Disassembler;
 using ICSharpCode.Decompiler.Metadata;
 using ICSharpCode.Decompiler.TypeSystem;
 using ICSharpCode.Decompiler.Util;
+using ICSharpCode.ILSpyX.Abstractions;
 
 using static System.Reflection.Metadata.PEReaderExtensions;
 
 using ILOpCode = System.Reflection.Metadata.ILOpCode;
 
-namespace ICSharpCode.ILSpy.Search
+namespace ICSharpCode.ILSpyX.Search
 {
 	class LiteralSearchStrategy : AbstractEntitySearchStrategy
 	{
 		readonly TypeCode searchTermLiteralType;
 		readonly object searchTermLiteralValue;
 
-		public LiteralSearchStrategy(Language language, ApiVisibility apiVisibility, SearchRequest request,
+		public LiteralSearchStrategy(ILanguage language, ApiVisibility apiVisibility, SearchRequest request,
 			IProducerConsumerCollection<SearchResult> resultQueue)
 			: base(language, apiVisibility, request, resultQueue)
 		{
@@ -78,7 +79,7 @@ namespace ICSharpCode.ILSpy.Search
 		{
 			cancellationToken.ThrowIfCancellationRequested();
 			var metadata = module.Metadata;
-			var typeSystem = module.GetTypeSystemWithCurrentOptionsOrNull();
+			var typeSystem = module.GetTypeSystemWithDecompilerSettingsOrNull(searchRequest.DecompilerSettings);
 			if (typeSystem == null)
 				return;
 
@@ -114,7 +115,7 @@ namespace ICSharpCode.ILSpy.Search
 			}
 		}
 
-		bool IsLiteralMatch(MetadataReader metadata, object val)
+		bool IsLiteralMatch(MetadataReader metadata, object? val)
 		{
 			if (val == null)
 				return false;

ICSharpCode.ILSpyX/Search/MemberSearchStrategy.cs

@@ -21,14 +21,15 @@ using System.Threading;
 
 using ICSharpCode.Decompiler.Metadata;
 using ICSharpCode.Decompiler.TypeSystem;
+using ICSharpCode.ILSpyX.Abstractions;
 
-namespace ICSharpCode.ILSpy.Search
+namespace ICSharpCode.ILSpyX.Search
 {
 	class MemberSearchStrategy : AbstractEntitySearchStrategy
 	{
 		readonly MemberSearchKind searchKind;
 
-		public MemberSearchStrategy(Language language, ApiVisibility apiVisibility, SearchRequest searchRequest,
+		public MemberSearchStrategy(ILanguage language, ApiVisibility apiVisibility, SearchRequest searchRequest,
 			IProducerConsumerCollection<SearchResult> resultQueue, MemberSearchKind searchKind = MemberSearchKind.All)
 			: base(language, apiVisibility, searchRequest, resultQueue)
 		{
@@ -39,7 +40,7 @@ namespace ICSharpCode.ILSpy.Search
 		{
 			cancellationToken.ThrowIfCancellationRequested();
 			var metadata = module.Metadata;
-			var typeSystem = module.GetTypeSystemWithCurrentOptionsOrNull();
+			var typeSystem = module.GetTypeSystemWithDecompilerSettingsOrNull(searchRequest.DecompilerSettings);
 			if (typeSystem == null)
 				return;
 

ICSharpCode.ILSpyX/Search/MetadataTokenSearchStrategy.cs

@@ -24,14 +24,15 @@ using System.Threading;
 
 using ICSharpCode.Decompiler.Metadata;
 using ICSharpCode.Decompiler.TypeSystem;
+using ICSharpCode.ILSpyX.Abstractions;
 
-namespace ICSharpCode.ILSpy.Search
+namespace ICSharpCode.ILSpyX.Search
 {
 	class MetadataTokenSearchStrategy : AbstractEntitySearchStrategy
 	{
 		readonly EntityHandle searchTermToken;
 
-		public MetadataTokenSearchStrategy(Language language, ApiVisibility apiVisibility, SearchRequest request,
+		public MetadataTokenSearchStrategy(ILanguage language, ApiVisibility apiVisibility, SearchRequest request,
 			IProducerConsumerCollection<SearchResult> resultQueue)
 			: base(language, apiVisibility, request, resultQueue)
 		{
@@ -48,7 +49,7 @@ namespace ICSharpCode.ILSpy.Search
 			cancellationToken.ThrowIfCancellationRequested();
 			if (searchTermToken.IsNil)
 				return;
-			var typeSystem = module.GetTypeSystemWithCurrentOptionsOrNull();
+			var typeSystem = module.GetTypeSystemWithDecompilerSettingsOrNull(searchRequest.DecompilerSettings);
 			if (typeSystem == null)
 				return;
 			var metadataModule = (MetadataModule)typeSystem.MainModule;

ICSharpCode.ILSpyX/Search/NamespaceSearchStrategy.cs

@@ -24,7 +24,7 @@ using ICSharpCode.Decompiler.Metadata;
 using ICSharpCode.Decompiler.TypeSystem;
 using ICSharpCode.Decompiler.Util;
 
-namespace ICSharpCode.ILSpy.Search
+namespace ICSharpCode.ILSpyX.Search
 {
 	class NamespaceSearchStrategy : AbstractSearchStrategy
 	{
@@ -36,7 +36,7 @@ namespace ICSharpCode.ILSpy.Search
 		public override void Search(PEFile module, CancellationToken cancellationToken)
 		{
 			cancellationToken.ThrowIfCancellationRequested();
-			var typeSystem = module.GetTypeSystemWithCurrentOptionsOrNull();
+			var typeSystem = module.GetTypeSystemWithDecompilerSettingsOrNull(searchRequest.DecompilerSettings);
 			if (typeSystem == null)
 				return;
 
@@ -58,15 +58,7 @@ namespace ICSharpCode.ILSpy.Search
 
 		void OnFoundResult(PEFile module, INamespace ns)
 		{
-			var name = ns.FullName.Length == 0 ? "-" : ns.FullName;
-			var result = new NamespaceSearchResult {
-				Namespace = ns,
-				Name = name,
-				Fitness = 1.0f / name.Length,
-				Location = module.Name,
-				Assembly = module.FullName,
-			};
-			OnFoundResult(result);
+			OnFoundResult(searchRequest.SearchResultFactory.Create(module, ns));
 		}
 	}
 }

ICSharpCode.ILSpyX/Search/ResourceSearchStrategy.cs

@@ -19,22 +19,22 @@ using System;
 using System.Collections.Concurrent;
 using System.Reflection;
 using System.Threading;
-using System.Windows.Media;
 
 using ICSharpCode.Decompiler.Metadata;
-using ICSharpCode.ILSpy.TreeNodes;
-using ICSharpCode.TreeView;
+using ICSharpCode.ILSpyX.Abstractions;
 
-namespace ICSharpCode.ILSpy.Search
+namespace ICSharpCode.ILSpyX.Search
 {
 	class ResourceSearchStrategy : AbstractSearchStrategy
 	{
 		protected readonly bool searchInside;
 		protected readonly ApiVisibility apiVisibility;
+		protected readonly ITreeNodeFactory treeNodeFactory;
 
 		public ResourceSearchStrategy(ApiVisibility apiVisibility, SearchRequest request, IProducerConsumerCollection<SearchResult> resultQueue)
 			: base(request, resultQueue)
 		{
+			this.treeNodeFactory = request.TreeNodeFactory;
 			this.apiVisibility = apiVisibility;
 			this.searchInside = true;
 		}
@@ -53,24 +53,24 @@ namespace ICSharpCode.ILSpy.Search
 		public override void Search(PEFile module, CancellationToken cancellationToken)
 		{
 			cancellationToken.ThrowIfCancellationRequested();
-			var resourcesNode = new ResourceListTreeNode(module);
+			var resourcesNode = treeNodeFactory.CreateResourcesList(module);
 
 			foreach (Resource resource in module.Resources)
-				Search(module, resource, resourcesNode, ResourceTreeNode.Create(resource), cancellationToken);
+				Search(module, resource, resourcesNode, treeNodeFactory.Create(resource), cancellationToken);
 		}
 
-		void Search(PEFile module, Resource resource, SharpTreeNode parent, SharpTreeNode node, CancellationToken cancellationToken)
+		void Search(PEFile module, Resource resource, ITreeNode parent, ITreeNode node, CancellationToken cancellationToken)
 		{
 			cancellationToken.ThrowIfCancellationRequested();
 
-			if (node is ResourceTreeNode treeNode)
+			if (node is IResourcesFileTreeNode treeNode)
 			{
 				if (!CheckVisibility(treeNode.Resource))
 					return;
 				resource = treeNode.Resource;
 			}
 
-			if (node.Text != null && IsMatch((string)node.Text))
+			if (node.Text is string s && IsMatch(s))
 				OnFoundResult(module, resource, node, parent);
 
 			if (!searchInside)
@@ -81,20 +81,9 @@ namespace ICSharpCode.ILSpy.Search
 				Search(module, resource, node, child, cancellationToken);
 		}
 
-		void OnFoundResult(PEFile module, Resource resource, SharpTreeNode node, SharpTreeNode parent)
+		void OnFoundResult(PEFile module, Resource resource, ITreeNode node, ITreeNode parent)
 		{
-			var name = (string)node.Text;
-			var result = new ResourceSearchResult {
-				Resource = resource,
-				Fitness = 1.0f / name.Length,
-				Image = (ImageSource)node.Icon,
-				Name = name,
-				LocationImage = (ImageSource)parent.Icon,
-				Location = (string)parent.Text,
-				Assembly = module.FullName,
-				ToolTip = module.FileName,
-			};
-			OnFoundResult(result);
+			OnFoundResult(searchRequest.SearchResultFactory.Create(module, resource, node, parent));
 		}
 	}
 }

ICSharpCode.ILSpyX/Search/SearchResult.cs

@@ -18,40 +18,38 @@
 
 using System;
 using System.Collections.Generic;
-using System.Windows.Media;
 
 using ICSharpCode.Decompiler.Metadata;
 using ICSharpCode.Decompiler.TypeSystem;
-using ICSharpCode.ILSpy.Search;
-using ICSharpCode.ILSpy.TreeNodes;
+using ICSharpCode.ILSpyX.Abstractions;
 
-namespace ICSharpCode.ILSpy
+namespace ICSharpCode.ILSpyX.Search
 {
+	public interface ISearchResultFactory
+	{
+		MemberSearchResult Create(IEntity entity);
+		ResourceSearchResult Create(PEFile module, Resource resource, ITreeNode node, ITreeNode parent);
+		AssemblySearchResult Create(PEFile module);
+		NamespaceSearchResult Create(PEFile module, INamespace @namespace);
+	}
+
 	public class SearchResult
 	{
 		public static readonly IComparer<SearchResult> ComparerByName = new SearchResultNameComparer();
 		public static readonly IComparer<SearchResult> ComparerByFitness = new SearchResultFitnessComparer();
 
-		public virtual object Reference {
-			get {
-				return null;
-			}
-		}
+		public virtual object? Reference => null;
 
 		public float Fitness { get; set; }
 
 		public string Name { get; set; }
 		public string Location { get; set; }
 		public string Assembly { get; set; }
-		public object ToolTip { get; set; }
-		public virtual ImageSource Image { get; set; }
-		public virtual ImageSource LocationImage { get; set; }
+		public object? ToolTip { get; set; }
+		public object Image { get; set; }
+		public object LocationImage { get; set; }
 
-		public ImageSource AssemblyImage {
-			get {
-				return Images.Assembly;
-			}
-		}
+		public object AssemblyImage { get; set; }
 
 		public override string ToString()
 		{
@@ -60,7 +58,7 @@ namespace ICSharpCode.ILSpy
 
 		class SearchResultNameComparer : IComparer<SearchResult>
 		{
-			public int Compare(SearchResult x, SearchResult y)
+			public int Compare(SearchResult? x, SearchResult? y)
 			{
 				return StringComparer.Ordinal.Compare(x?.Name ?? "", y?.Name ?? "");
 			}
@@ -68,7 +66,7 @@ namespace ICSharpCode.ILSpy
 
 		class SearchResultFitnessComparer : IComparer<SearchResult>
 		{
-			public int Compare(SearchResult x, SearchResult y)
+			public int Compare(SearchResult? x, SearchResult? y)
 			{
 				//elements with higher Fitness come first
 				return Comparer<float>.Default.Compare(y?.Fitness ?? 0, x?.Fitness ?? 0);
@@ -80,26 +78,6 @@ namespace ICSharpCode.ILSpy
 	{
 		public IEntity Member { get; set; }
 		public override object Reference => Member;
-
-		public override ImageSource Image {
-			get {
-				if (base.Image == null)
-				{
-					base.Image = AbstractEntitySearchStrategy.GetIcon(Member);
-				}
-				return base.Image;
-			}
-		}
-
-		public override ImageSource LocationImage {
-			get {
-				if (base.LocationImage == null)
-				{
-					base.LocationImage = Member.DeclaringTypeDefinition != null ? TypeTreeNode.GetIcon(Member.DeclaringTypeDefinition) : Images.Namespace;
-				}
-				return base.LocationImage;
-			}
-		}
 	}
 
 	public class ResourceSearchResult : SearchResult
@@ -112,17 +90,11 @@ namespace ICSharpCode.ILSpy
 	{
 		public PEFile Module { get; set; }
 		public override object Reference => Module;
-
-		public override ImageSource Image => Images.Assembly;
-		public override ImageSource LocationImage => Images.Library;
 	}
 
 	public class NamespaceSearchResult : SearchResult
 	{
 		public INamespace Namespace { get; set; }
 		public override object Reference => Namespace;
-
-		public override ImageSource Image => Images.Namespace;
-		public override ImageSource LocationImage => Images.Assembly;
 	}
 }

ILSpy.BamlDecompiler/BamlResourceNodeFactory.cs

@@ -24,13 +24,14 @@ using ICSharpCode.Decompiler.Metadata;
 using ICSharpCode.ILSpy;
 using ICSharpCode.ILSpy.TreeNodes;
 using ICSharpCode.ILSpyX;
+using ICSharpCode.ILSpyX.Abstractions;
 
 namespace ILSpy.BamlDecompiler
 {
 	[Export(typeof(IResourceNodeFactory))]
 	public sealed class BamlResourceNodeFactory : IResourceNodeFactory
 	{
-		public ILSpyTreeNode CreateNode(Resource resource)
+		public ITreeNode CreateNode(Resource resource)
 		{
 			if (resource.Name.EndsWith(".baml", StringComparison.OrdinalIgnoreCase))
 				return new BamlResourceEntryNode(resource.Name, resource.TryOpenStream);

ILSpy/ContextMenuEntry.cs

@@ -27,6 +27,7 @@ using System.Windows.Media;
 
 using ICSharpCode.AvalonEdit;
 using ICSharpCode.ILSpy.TextView;
+using ICSharpCode.ILSpyX.Search;
 using ICSharpCode.TreeView;
 
 namespace ICSharpCode.ILSpy

ILSpy/FilterSettings.cs

@@ -23,6 +23,8 @@ using System.Linq;
 using System.Runtime.CompilerServices;
 using System.Xml.Linq;
 
+using ICSharpCode.ILSpyX;
+
 namespace ICSharpCode.ILSpy
 {
 	/// <summary>
@@ -220,11 +222,4 @@ namespace ICSharpCode.ILSpy
 			return f;
 		}
 	}
-
-	public enum ApiVisibility
-	{
-		PublicOnly,
-		PublicAndInternal,
-		All
-	}
 }

ILSpy/Languages/Language.cs

@@ -30,6 +30,7 @@ using ICSharpCode.Decompiler.TypeSystem;
 using ICSharpCode.Decompiler.TypeSystem.Implementation;
 using ICSharpCode.Decompiler.Util;
 using ICSharpCode.ILSpyX;
+using ICSharpCode.ILSpyX.Abstractions;
 
 using SRM = System.Reflection.Metadata;
 
@@ -58,7 +59,7 @@ namespace ICSharpCode.ILSpy
 	/// <remarks>
 	/// Implementations of this class must be thread-safe.
 	/// </remarks>
-	public abstract class Language
+	public abstract class Language : ILanguage
 	{
 		/// <summary>
 		/// Gets the name of the language (as shown in the UI)

ILSpy/MainWindow.xaml

@@ -4,6 +4,7 @@
 	x:ClassModifier="public"
 	xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:tv="clr-namespace:ICSharpCode.TreeView;assembly=ICSharpCode.TreeView"
 	xmlns:local="clr-namespace:ICSharpCode.ILSpy"
+	xmlns:search="clr-namespace:ICSharpCode.ILSpy.Search"
 	xmlns:avalondock="https://github.com/Dirkster99/AvalonDock"
 	xmlns:controls="clr-namespace:ICSharpCode.ILSpy.Controls"
 	xmlns:docking="clr-namespace:ICSharpCode.ILSpy.Docking"
@@ -75,7 +76,7 @@
 			<ContentControl Content="{StaticResource DebugSteps}" />
 		</DataTemplate>
 
-		<local:SearchPane x:Key="SearchPane" />
+		<search:SearchPane x:Key="SearchPane" />
 
 		<DataTemplate x:Key="SearchPaneTemplate">
 			<ContentControl Content="{StaticResource SearchPane}" />

ILSpy/MainWindow.xaml.cs

@@ -45,6 +45,7 @@ using ICSharpCode.Decompiler.TypeSystem.Implementation;
 using ICSharpCode.ILSpy.Analyzers;
 using ICSharpCode.ILSpy.Commands;
 using ICSharpCode.ILSpy.Docking;
+using ICSharpCode.ILSpy.Search;
 using ICSharpCode.ILSpy.TextView;
 using ICSharpCode.ILSpy.Themes;
 using ICSharpCode.ILSpy.TreeNodes;

ILSpy/Search/SearchPane.cs

@@ -35,12 +35,12 @@ using System.Windows.Threading;
 
 using ICSharpCode.ILSpy.Docking;
 using ICSharpCode.ILSpy.Options;
-using ICSharpCode.ILSpy.Search;
 using ICSharpCode.ILSpy.ViewModels;
 using ICSharpCode.ILSpyX;
 using ICSharpCode.ILSpyX.Extensions;
+using ICSharpCode.ILSpyX.Search;
 
-namespace ICSharpCode.ILSpy
+namespace ICSharpCode.ILSpy.Search
 {
 	/// <summary>
 	/// Search pane
@@ -447,6 +447,9 @@ namespace ICSharpCode.ILSpy
 
 				request.Keywords = keywords.ToArray();
 				request.RegEx = regex;
+				request.SearchResultFactory = new SearchResultFactory(language);
+				request.TreeNodeFactory = new TreeNodeFactory();
+				request.DecompilerSettings = new DecompilationOptions().DecompilerSettings;
 
 				return request;
 			}
@@ -536,20 +539,4 @@ namespace ICSharpCode.ILSpy
 			NavigationCommands.Search.InputGestures.Add(new KeyGesture(Key.E, ModifierKeys.Control));
 		}
 	}
-
-	public enum SearchMode
-	{
-		TypeAndMember,
-		Type,
-		Member,
-		Method,
-		Field,
-		Property,
-		Event,
-		Literal,
-		Token,
-		Resource,
-		Assembly,
-		Namespace
-	}
 }

ILSpy/Search/SearchPane.xaml

@@ -1,4 +1,4 @@
-<UserControl x:Class="ICSharpCode.ILSpy.SearchPane" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+<UserControl x:Class="ICSharpCode.ILSpy.Search.SearchPane" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
 		xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
 		xmlns:controls="clr-namespace:ICSharpCode.ILSpy.Controls"
 		xmlns:d="http://schemas.microsoft.com/expression/blend/2008"

ILSpy/Search/SearchResultFactory.cs

@@ -1,4 +1,4 @@
-// Copyright (c) 2011 AlphaSierraPapa for the SharpDevelop Team
+// Copyright (c) 2022 Siegfried Pammer
 // 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of this
 // software and associated documentation files (the "Software"), to deal in the Software
@@ -15,98 +15,24 @@
 // FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 // DEALINGS IN THE SOFTWARE.
-
 using System;
-using System.Collections.Concurrent;
 using System.Windows.Media;
 
+using ICSharpCode.Decompiler.Metadata;
+using ICSharpCode.Decompiler.TypeSystem;
 using ICSharpCode.ILSpy.TreeNodes;
+using ICSharpCode.ILSpyX.Abstractions;
+using ICSharpCode.ILSpyX.Search;
 
 namespace ICSharpCode.ILSpy.Search
 {
-	using ICSharpCode.Decompiler.TypeSystem;
-
-	abstract class AbstractEntitySearchStrategy : AbstractSearchStrategy
+	internal class SearchResultFactory : ISearchResultFactory
 	{
-		protected readonly Language language;
-		protected readonly ApiVisibility apiVisibility;
+		readonly Language language;
 
-		protected AbstractEntitySearchStrategy(Language language, ApiVisibility apiVisibility,
-			SearchRequest searchRequest, IProducerConsumerCollection<SearchResult> resultQueue)
-			: base(searchRequest, resultQueue)
+		public SearchResultFactory(Language language)
 		{
 			this.language = language;
-			this.apiVisibility = apiVisibility;
-		}
-
-		protected bool CheckVisibility(IEntity entity)
-		{
-			if (apiVisibility == ApiVisibility.All)
-				return true;
-
-			do
-			{
-				if (apiVisibility == ApiVisibility.PublicOnly)
-				{
-					if (!(entity.Accessibility == Accessibility.Public ||
-						entity.Accessibility == Accessibility.Protected ||
-						entity.Accessibility == Accessibility.ProtectedOrInternal))
-						return false;
-				}
-				else if (apiVisibility == ApiVisibility.PublicAndInternal)
-				{
-					if (!language.ShowMember(entity))
-						return false;
-				}
-				entity = entity.DeclaringTypeDefinition;
-			}
-			while (entity != null);
-
-			return true;
-		}
-
-		protected bool IsInNamespaceOrAssembly(IEntity entity)
-		{
-			if (searchRequest.InAssembly != null)
-			{
-				if (!entity.ParentModule.FullAssemblyName.Contains(searchRequest.InAssembly))
-				{
-					return false;
-				}
-			}
-
-			if (searchRequest.InNamespace != null)
-			{
-				if (searchRequest.InNamespace.Length == 0)
-				{
-					return entity.Namespace.Length == 0;
-				}
-				else if (!entity.Namespace.Contains(searchRequest.InNamespace))
-				{
-					return false;
-				}
-			}
-
-			return true;
-		}
-
-		protected void OnFoundResult(IEntity entity)
-		{
-			var result = ResultFromEntity(entity);
-			OnFoundResult(result);
-		}
-
-		SearchResult ResultFromEntity(IEntity item)
-		{
-			var declaringType = item.DeclaringTypeDefinition;
-			return new MemberSearchResult {
-				Member = item,
-				Fitness = CalculateFitness(item),
-				Name = GetLanguageSpecificName(item),
-				Location = declaringType != null ? language.TypeToString(declaringType, includeNamespace: true) : item.Namespace,
-				Assembly = item.ParentModule.FullAssemblyName,
-				ToolTip = item.ParentModule.PEFile?.FileName
-			};
 		}
 
 		float CalculateFitness(IEntity member)
@@ -151,7 +77,7 @@ namespace ICSharpCode.ILSpy.Search
 			}
 		}
 
-		static internal ImageSource GetIcon(IEntity member)
+		static ImageSource GetIcon(IEntity member)
 		{
 			switch (member)
 			{
@@ -169,5 +95,79 @@ namespace ICSharpCode.ILSpy.Search
 					throw new NotSupportedException(member?.GetType() + " not supported!");
 			}
 		}
+
+		public MemberSearchResult Create(IEntity entity)
+		{
+			var declaringType = entity.DeclaringTypeDefinition;
+			return new MemberSearchResult {
+				Member = entity,
+				Fitness = CalculateFitness(entity),
+				Name = GetLanguageSpecificName(entity),
+				Location = declaringType != null ? language.TypeToString(declaringType, includeNamespace: true) : entity.Namespace,
+				Assembly = entity.ParentModule.FullAssemblyName,
+				ToolTip = entity.ParentModule.PEFile?.FileName,
+				Image = Images.Assembly,
+				LocationImage = declaringType != null ? TypeTreeNode.GetIcon(declaringType) : Images.Namespace,
+				AssemblyImage = Images.Assembly,
+			};
+		}
+
+		public ResourceSearchResult Create(PEFile module, Resource resource, ITreeNode node, ITreeNode parent)
+		{
+			return new ResourceSearchResult {
+				Resource = resource,
+				Fitness = 1.0f / resource.Name.Length,
+				Image = node.Icon,
+				Name = resource.Name,
+				LocationImage = parent.Icon,
+				Location = (string)parent.Text,
+				Assembly = module.FullName,
+				ToolTip = module.FileName,
+				AssemblyImage = Images.Assembly,
+			};
+		}
+
+		public AssemblySearchResult Create(PEFile module)
+		{
+			return new AssemblySearchResult {
+				Module = module,
+				Fitness = 1.0f / module.Name.Length,
+				Name = module.Name,
+				Location = module.FileName,
+				Assembly = module.FullName,
+				ToolTip = module.FileName,
+				Image = Images.Assembly,
+				LocationImage = Images.Library,
+				AssemblyImage = Images.Assembly,
+			};
+		}
+
+		public NamespaceSearchResult Create(PEFile module, INamespace ns)
+		{
+			var name = ns.FullName.Length == 0 ? "-" : ns.FullName;
+			return new NamespaceSearchResult {
+				Namespace = ns,
+				Name = name,
+				Fitness = 1.0f / name.Length,
+				Location = module.Name,
+				Assembly = module.FullName,
+				Image = Images.Namespace,
+				LocationImage = Images.Assembly,
+				AssemblyImage = Images.Assembly,
+			};
+		}
+	}
+
+	internal class TreeNodeFactory : ITreeNodeFactory
+	{
+		public ITreeNode Create(Resource resource)
+		{
+			return ResourceTreeNode.Create(resource);
+		}
+
+		public ITreeNode CreateResourcesList(PEFile module)
+		{
+			return new ResourceListTreeNode(module);
+		}
 	}
 }

ILSpy/SessionSettings.cs

@@ -28,6 +28,7 @@ using System.Xml.Linq;
 
 using ICSharpCode.ILSpy.Docking;
 using ICSharpCode.ILSpy.Themes;
+using ICSharpCode.ILSpyX.Search;
 
 namespace ICSharpCode.ILSpy
 {

ILSpy/TreeNodes/EventTreeNode.cs

@@ -25,6 +25,7 @@ using ICSharpCode.Decompiler;
 namespace ICSharpCode.ILSpy.TreeNodes
 {
 	using ICSharpCode.Decompiler.TypeSystem;
+	using ICSharpCode.ILSpyX;
 
 	/// <summary>
 	/// Represents an event in the TreeView.

ILSpy/TreeNodes/FieldTreeNode.cs

@@ -25,6 +25,7 @@ using ICSharpCode.Decompiler;
 namespace ICSharpCode.ILSpy.TreeNodes
 {
 	using ICSharpCode.Decompiler.TypeSystem;
+	using ICSharpCode.ILSpyX;
 
 	/// <summary>
 	/// Represents a field in the TreeView.

ILSpy/TreeNodes/ILSpyTreeNode.cs

@@ -17,6 +17,7 @@
 // DEALINGS IN THE SOFTWARE.
 
 using System;
+using System.Collections.Generic;
 using System.Collections.Specialized;
 using System.ComponentModel;
 using System.Linq;
@@ -28,6 +29,7 @@ using System.Windows.Threading;
 using ICSharpCode.Decompiler;
 using ICSharpCode.Decompiler.TypeSystem;
 using ICSharpCode.ILSpy.Options;
+using ICSharpCode.ILSpyX.Abstractions;
 using ICSharpCode.TreeView;
 
 namespace ICSharpCode.ILSpy.TreeNodes
@@ -35,7 +37,7 @@ namespace ICSharpCode.ILSpy.TreeNodes
 	/// <summary>
 	/// Base class of all ILSpy tree nodes.
 	/// </summary>
-	public abstract class ILSpyTreeNode : SharpTreeNode
+	public abstract class ILSpyTreeNode : SharpTreeNode, ITreeNode
 	{
 		FilterSettings filterSettings;
 		bool childrenNeedFiltering;
@@ -202,5 +204,7 @@ namespace ICSharpCode.ILSpy.TreeNodes
 		public virtual bool IsAutoLoaded {
 			get { return false; }
 		}
+
+		IEnumerable<ITreeNode> ITreeNode.Children => this.Children.OfType<ILSpyTreeNode>();
 	}
 }

ILSpy/TreeNodes/MethodTreeNode.cs

@@ -25,6 +25,7 @@ using ICSharpCode.Decompiler;
 namespace ICSharpCode.ILSpy.TreeNodes
 {
 	using ICSharpCode.Decompiler.TypeSystem;
+	using ICSharpCode.ILSpyX;
 
 	/// <summary>
 	/// Tree Node representing a field, method, property, or event.

ILSpy/TreeNodes/PropertyTreeNode.cs

@@ -25,6 +25,7 @@ using ICSharpCode.Decompiler;
 namespace ICSharpCode.ILSpy.TreeNodes
 {
 	using ICSharpCode.Decompiler.TypeSystem;
+	using ICSharpCode.ILSpyX;
 
 	/// <summary>
 	/// Represents a property in the TreeView.

ILSpy/TreeNodes/ResourceListTreeNode.cs

@@ -23,6 +23,7 @@ using System.Windows.Threading;
 using ICSharpCode.Decompiler;
 using ICSharpCode.Decompiler.Metadata;
 using ICSharpCode.ILSpy.Properties;
+using ICSharpCode.ILSpyX.Abstractions;
 
 namespace ICSharpCode.ILSpy.TreeNodes
 {

ILSpy/TreeNodes/ResourceNodes/CursorResourceEntryNode.cs

@@ -26,6 +26,7 @@ using ICSharpCode.Decompiler.Metadata;
 using ICSharpCode.ILSpy.Properties;
 using ICSharpCode.ILSpy.TextView;
 using ICSharpCode.ILSpy.ViewModels;
+using ICSharpCode.ILSpyX.Abstractions;
 
 namespace ICSharpCode.ILSpy.TreeNodes
 {
@@ -34,7 +35,7 @@ namespace ICSharpCode.ILSpy.TreeNodes
 	{
 		static readonly string[] imageFileExtensions = { ".cur" };
 
-		public ILSpyTreeNode CreateNode(Resource resource)
+		public ITreeNode CreateNode(Resource resource)
 		{
 			string key = resource.Name;
 			foreach (string fileExt in imageFileExtensions)

ILSpy/TreeNodes/ResourceNodes/IResourceNodeFactory.cs

@@ -17,6 +17,7 @@
 // DEALINGS IN THE SOFTWARE.
 
 using ICSharpCode.Decompiler.Metadata;
+using ICSharpCode.ILSpyX.Abstractions;
 
 namespace ICSharpCode.ILSpy.TreeNodes
 {
@@ -25,6 +26,6 @@ namespace ICSharpCode.ILSpy.TreeNodes
 	/// </summary>
 	public interface IResourceNodeFactory
 	{
-		ILSpyTreeNode CreateNode(Resource resource);
+		ITreeNode CreateNode(Resource resource);
 	}
 }

ILSpy/TreeNodes/ResourceNodes/IconResourceEntryNode.cs

@@ -26,13 +26,14 @@ using ICSharpCode.Decompiler.Metadata;
 using ICSharpCode.ILSpy.Properties;
 using ICSharpCode.ILSpy.TextView;
 using ICSharpCode.ILSpy.ViewModels;
+using ICSharpCode.ILSpyX.Abstractions;
 
 namespace ICSharpCode.ILSpy.TreeNodes
 {
 	[Export(typeof(IResourceNodeFactory))]
 	sealed class IconResourceNodeFactory : IResourceNodeFactory
 	{
-		public ILSpyTreeNode CreateNode(Resource resource)
+		public ITreeNode CreateNode(Resource resource)
 		{
 			if (resource.Name.EndsWith(".ico", StringComparison.OrdinalIgnoreCase))
 			{

ILSpy/TreeNodes/ResourceNodes/ImageListResourceEntryNode.cs

@@ -23,13 +23,14 @@ using System.Windows.Forms;
 
 using ICSharpCode.Decompiler;
 using ICSharpCode.Decompiler.Metadata;
+using ICSharpCode.ILSpyX.Abstractions;
 
 namespace ICSharpCode.ILSpy.TreeNodes
 {
 	[Export(typeof(IResourceNodeFactory))]
 	sealed class ImageListResourceEntryNodeFactory : IResourceNodeFactory
 	{
-		public ILSpyTreeNode CreateNode(Resource resource)
+		public ITreeNode CreateNode(Resource resource)
 		{
 			return null;
 		}

ILSpy/TreeNodes/ResourceNodes/ImageResourceEntryNode.cs

@@ -26,6 +26,7 @@ using ICSharpCode.Decompiler.Metadata;
 using ICSharpCode.ILSpy.Properties;
 using ICSharpCode.ILSpy.TextView;
 using ICSharpCode.ILSpy.ViewModels;
+using ICSharpCode.ILSpyX.Abstractions;
 
 namespace ICSharpCode.ILSpy.TreeNodes
 {
@@ -34,7 +35,7 @@ namespace ICSharpCode.ILSpy.TreeNodes
 	{
 		static readonly string[] imageFileExtensions = { ".png", ".gif", ".bmp", ".jpg" };
 
-		public ILSpyTreeNode CreateNode(Resource resource)
+		public ITreeNode CreateNode(Resource resource)
 		{
 			string key = resource.Name;
 			foreach (string fileExt in imageFileExtensions)

ILSpy/TreeNodes/ResourceNodes/ResourceEntryNode.cs

@@ -22,6 +22,7 @@ using System.IO;
 using ICSharpCode.Decompiler;
 using ICSharpCode.Decompiler.CSharp.ProjectDecompiler;
 using ICSharpCode.Decompiler.Metadata;
+using ICSharpCode.ILSpyX.Abstractions;
 
 using Microsoft.Win32;
 
@@ -59,7 +60,7 @@ namespace ICSharpCode.ILSpy.TreeNodes
 			ILSpyTreeNode result = null;
 			foreach (var factory in App.ExportProvider.GetExportedValues<IResourceNodeFactory>())
 			{
-				result = factory.CreateNode(resource);
+				result = factory.CreateNode(resource) as ILSpyTreeNode;
 				if (result != null)
 					break;
 			}

ILSpy/TreeNodes/ResourceNodes/ResourceTreeNode.cs

@@ -29,6 +29,8 @@ using ICSharpCode.Decompiler.Metadata;
 using ICSharpCode.ILSpy.Properties;
 using ICSharpCode.ILSpy.TextView;
 using ICSharpCode.ILSpy.ViewModels;
+using ICSharpCode.ILSpyX;
+using ICSharpCode.ILSpyX.Abstractions;
 
 using Microsoft.Win32;
 
@@ -38,7 +40,7 @@ namespace ICSharpCode.ILSpy.TreeNodes
 	/// This is the default resource entry tree node, which is used if no specific
 	/// <see cref="IResourceNodeFactory"/> exists for the given resource type. 
 	/// </summary>
-	public class ResourceTreeNode : ILSpyTreeNode
+	public class ResourceTreeNode : ILSpyTreeNode, IResourcesFileTreeNode
 	{
 		public ResourceTreeNode(Resource r)
 		{

ILSpy/TreeNodes/ResourceNodes/ResourcesFileTreeNode.cs

@@ -31,6 +31,7 @@ using ICSharpCode.ILSpy.Controls;
 using ICSharpCode.ILSpy.Properties;
 using ICSharpCode.ILSpy.TextView;
 using ICSharpCode.ILSpy.ViewModels;
+using ICSharpCode.ILSpyX.Abstractions;
 
 using Microsoft.Win32;
 
@@ -39,7 +40,7 @@ namespace ICSharpCode.ILSpy.TreeNodes
 	[Export(typeof(IResourceNodeFactory))]
 	sealed class ResourcesFileTreeNodeFactory : IResourceNodeFactory
 	{
-		public ILSpyTreeNode CreateNode(Resource resource)
+		public ITreeNode CreateNode(Resource resource)
 		{
 			if (resource.Name.EndsWith(".resources", StringComparison.OrdinalIgnoreCase))
 			{
@@ -54,7 +55,7 @@ namespace ICSharpCode.ILSpy.TreeNodes
 		}
 	}
 
-	sealed class ResourcesFileTreeNode : ResourceTreeNode
+	sealed class ResourcesFileTreeNode : ResourceTreeNode, IResourcesFileTreeNode
 	{
 		readonly ICollection<KeyValuePair<string, string>> stringTableEntries = new ObservableCollection<KeyValuePair<string, string>>();
 		readonly ICollection<SerializedObjectRepresentation> otherEntries = new ObservableCollection<SerializedObjectRepresentation>();

ILSpy/TreeNodes/ResourceNodes/XamlResourceNode.cs

@@ -26,13 +26,14 @@ using ICSharpCode.Decompiler.Metadata;
 using ICSharpCode.ILSpy.TextView;
 using ICSharpCode.ILSpy.TreeNodes;
 using ICSharpCode.ILSpy.ViewModels;
+using ICSharpCode.ILSpyX.Abstractions;
 
 namespace ICSharpCode.ILSpy.Xaml
 {
 	[Export(typeof(IResourceNodeFactory))]
 	sealed class XamlResourceNodeFactory : IResourceNodeFactory
 	{
-		public ILSpyTreeNode CreateNode(Resource resource)
+		public ITreeNode CreateNode(Resource resource)
 		{
 			if (resource.Name.EndsWith(".xaml", StringComparison.OrdinalIgnoreCase))
 				return new XamlResourceEntryNode(resource.Name, resource.TryOpenStream);

ILSpy/TreeNodes/ResourceNodes/XmlResourceNode.cs

@@ -26,6 +26,7 @@ using ICSharpCode.Decompiler.Metadata;
 using ICSharpCode.ILSpy.TextView;
 using ICSharpCode.ILSpy.TreeNodes;
 using ICSharpCode.ILSpy.ViewModels;
+using ICSharpCode.ILSpyX.Abstractions;
 
 namespace ICSharpCode.ILSpy.Xaml
 {
@@ -34,7 +35,7 @@ namespace ICSharpCode.ILSpy.Xaml
 	{
 		private readonly static string[] xmlFileExtensions = { ".xml", ".xsd", ".xslt" };
 
-		public ILSpyTreeNode CreateNode(Resource resource)
+		public ITreeNode CreateNode(Resource resource)
 		{
 			string key = resource.Name;
 			foreach (string fileExt in xmlFileExtensions)

ILSpy/TreeNodes/TypeTreeNode.cs

@@ -27,6 +27,7 @@ using SRM = System.Reflection.Metadata;
 namespace ICSharpCode.ILSpy.TreeNodes
 {
 	using ICSharpCode.Decompiler.TypeSystem;
+	using ICSharpCode.ILSpyX;
 
 	public sealed class TypeTreeNode : ILSpyTreeNode, IMemberTreeNode
 	{