Add context menu action to copy FQN for selected class

ILSpy/ILSpy.csproj

@@ -207,6 +207,7 @@
     <Compile Include="TreeNodes\Analyzer\Helpers.cs" />
     <Compile Include="TreeNodes\Analyzer\ScopedWhereUsedAnalyzer.cs" />
     <Compile Include="TreeNodes\BaseTypesEntryNode.cs" />
+    <Compile Include="TreeNodes\CopyFullyQualifiedTypeNameContextMenuEntry.cs" />
     <Compile Include="TreeNodes\DerivedTypesEntryNode.cs" />
     <Compile Include="TreeNodes\FilterResult.cs" />
     <Compile Include="TreeNodes\IMemberTreeNode.cs" />
@@ -413,5 +414,8 @@
   <ItemGroup>
     <Resource Include="Images\SearchMsdn.png" />
   </ItemGroup>
+  <ItemGroup>
+    <Resource Include="Images\Copy.png" />
+  </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.Targets" />
 </Project>

ILSpy/TreeNodes/CopyFullyQualifiedTypeNameContextMenuEntry.cs

@@ -0,0 +1,42 @@
+using System.Windows;
+using Mono.Cecil;
+
+namespace ICSharpCode.ILSpy.TreeNodes
+{
+	[ExportContextMenuEntry(Header = "Copy FQ Name", Icon = "images/Copy.png", Order = 9999)]
+	public class CopyFullyQualifiedTypeNameContextMenuEntry : IContextMenuEntry
+	{
+		public bool IsVisible(TextViewContext context)
+		{
+			return GetTypeNodeFromContext(context) != null;
+		}
+
+		public bool IsEnabled(TextViewContext context) => true;
+
+		public void Execute(TextViewContext context)
+		{
+			var typeDefinition = GetTypeNodeFromContext(context)?.TypeDefinition;
+			if (typeDefinition == null) return;
+
+			Clipboard.SetText(GetFullyQualifiedName(typeDefinition));
+		}
+
+		private TypeTreeNode GetTypeNodeFromContext(TextViewContext context)
+		{
+			return context.SelectedTreeNodes?.Length == 1 ? context.SelectedTreeNodes[0] as TypeTreeNode : null;
+		}
+
+		/// <summary>
+		/// Resolve full type name using .NET type representation for nested types.
+		/// </summary>
+		private string GetFullyQualifiedName(TypeDefinition typeDefinition)
+		{
+			if (typeDefinition.IsNested)
+			{
+				return $"{GetFullyQualifiedName(typeDefinition.DeclaringType)}+{typeDefinition.Name}";
+			}
+
+			return $"{typeDefinition.Namespace}.{typeDefinition.Name}";
+		}
+	}
+}