[Ast] GetTypes now includes delegate declarations as well.

ICSharpCode.NRefactory.CSharp/Ast/SyntaxTree.cs

@@ -105,14 +105,20 @@ namespace ICSharpCode.NRefactory.CSharp
 		{
 		}
 		
-		public IEnumerable<TypeDeclaration> GetTypes(bool includeInnerTypes = false)
+		/// <summary>
+		/// Gets all defined types in this syntax tree.
+		/// </summary>
+		/// <returns>
+		/// A list containing <see cref="TypeDeclaration"/> or <see cref="DelegateDeclaration"/> nodes.
+		/// </returns>
+		public IEnumerable<EntityDeclaration> GetTypes(bool includeInnerTypes = false)
 		{
 			Stack<AstNode> nodeStack = new Stack<AstNode> ();
 			nodeStack.Push(this);
 			while (nodeStack.Count > 0) {
 				var curNode = nodeStack.Pop();
-				if (curNode is TypeDeclaration) {
+				if (curNode is TypeDeclaration || curNode is DelegateDeclaration) {
-					yield return (TypeDeclaration)curNode;
+					yield return (EntityDeclaration)curNode;
 				}
 				foreach (var child in curNode.Children) {
 					if (!(child is Statement || child is Expression) &&
@@ -121,6 +127,7 @@ namespace ICSharpCode.NRefactory.CSharp
 				}
 			}
 		}
+
 		
 		protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
 		{