Fix #391: XML documentation comment auto-generation incomplete on delegates.

src/AddIns/BackendBindings/CSharpBinding/Project/Src/FormattingStrategy/CSharpFormattingStrategy.cs

@@ -358,8 +358,17 @@ namespace CSharpBinding.FormattingStrategy
 						sb.Append(indentation);
 						sb.Append("/// </summary>");
 						
+						IUnresolvedMethod method = null;
 						if (member is IUnresolvedMethod) {
-							IUnresolvedMethod method = (IUnresolvedMethod)member;
+							method = (IUnresolvedMethod)member;
+						} else if (member is IUnresolvedTypeDefinition) {
+							IUnresolvedTypeDefinition type = (IUnresolvedTypeDefinition) member;
+							if (type.Kind == TypeKind.Delegate) {
+								method = type.Methods.FirstOrDefault(m => m.Name == "Invoke");
+							}
+						}
+						
+						if (method != null) {
 							for (int i = 0; i < method.Parameters.Count; ++i) {
 								sb.Append(terminator);
 								sb.Append(indentation);
@@ -376,8 +385,8 @@ namespace CSharpBinding.FormattingStrategy
 								}
 							}
 						}
-						textArea.Document.Insert(cursorOffset, sb.ToString());
 						
+						textArea.Document.Insert(cursorOffset, sb.ToString());
 						textArea.Caret.Offset = cursorOffset + indentation.Length + "/// ".Length + " <summary>".Length + terminator.Length;
 					}
 				}

src/Libraries/NRefactory/ICSharpCode.NRefactory.CSharp.Refactoring/CodeIssues/Custom/XmlDocIssue.cs

@@ -183,6 +183,12 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring
 								var m = member as IParameterizedMember;
 								if (m != null && m.Parameters.Any(p => p.Name == name.Value))
 									break;
+								var dtype = member as ITypeDefinition;
+								if ((dtype != null) && (dtype.Kind == TypeKind.Delegate)) {
+									var invokeMethod = dtype.Methods.FirstOrDefault(method => method.Name == "Invoke");
+									if ((invokeMethod != null) && invokeMethod.Parameters.Any(p => p.Name == name.Value))
+										break;
+								}
 								if (name.Value == "value" && member != null && (member.SymbolKind == SymbolKind.Property || member.SymbolKind == SymbolKind.Indexer || member.SymbolKind == SymbolKind.Event) && el.Name == "paramref")
 									break;
 								AddXmlIssue(name.ValueSegment.Offset - firstline.Length + 1, name.ValueSegment.Length - 2, string.Format(ctx.TranslateString("Parameter '{0}' not found"), name.Value));