MonoDevelop.CSharp.Completion.CSharpTextEditorCompletion.AddDelegateHandlers C# (CSharp) Method

		string AddDelegateHandlers (CompletionDataList completionList, IType delegateType, bool addSemicolon = true, bool addDefault = true)
		{
			IMethod delegateMethod = delegateType.Methods.First ();
			string delegateEndString = Document.Editor.EolMarker + stateTracker.Engine.ThisLineIndent + "}" + (addSemicolon ? ";" : "");
			bool containsDelegateData = completionList.Any (d => d.DisplayText.StartsWith ("delegate("));
			if (addDefault)
				completionList.Add ("delegate", "md-keyword", GettextCatalog.GetString ("Creates anonymous delegate."), "delegate {" + Document.Editor.EolMarker + stateTracker.Engine.ThisLineIndent + TextEditorProperties.IndentString + "|" + delegateEndString);
			
			StringBuilder sb = new StringBuilder ("(");
			StringBuilder sbWithoutTypes = new StringBuilder ("(");
			for (int k = 0; k < delegateMethod.Parameters.Count; k++) {
				if (k > 0) {
					sb.Append (", ");
					sbWithoutTypes.Append (", ");
				}
				IType parameterType = dom.GetType (delegateMethod.Parameters [k].ReturnType);
				IReturnType returnType = parameterType != null ? new DomReturnType (parameterType) : delegateMethod.Parameters [k].ReturnType;
				sb.Append (CompletionDataCollector.ambience.GetString (Document.CompilationUnit.ShortenTypeName (returnType, textEditorData.Caret.Line, textEditorData.Caret.Column), OutputFlags.ClassBrowserEntries | OutputFlags.UseFullName | OutputFlags.UseFullInnerTypeName));
				sb.Append (" ");
				sb.Append (delegateMethod.Parameters [k].Name);
				sbWithoutTypes.Append (delegateMethod.Parameters [k].Name);
			}
			sb.Append (")");
			sbWithoutTypes.Append (")");
			completionList.Add ("delegate" + sb, "md-keyword", GettextCatalog.GetString ("Creates anonymous delegate."), "delegate" + sb + " {" + Document.Editor.EolMarker + stateTracker.Engine.ThisLineIndent + TextEditorProperties.IndentString + "|" + delegateEndString);
			completionList.Add (sbWithoutTypes.ToString (), "md-keyword", GettextCatalog.GetString ("Creates lambda expression."), sbWithoutTypes + " => |" + (addSemicolon ? ";" : ""));
			
			// It's  needed to temporarly disable inserting auto matching bracket because the anonymous delegates are selectable with '('
			// otherwise we would end up with () => )
			if (!containsDelegateData) {
				var savedValue = MonoDevelop.SourceEditor.DefaultSourceEditorOptions.Instance.AutoInsertMatchingBracket;
				MonoDevelop.SourceEditor.DefaultSourceEditorOptions.Instance.AutoInsertMatchingBracket = false;
				completionList.CompletionListClosed += delegate {
					MonoDevelop.SourceEditor.DefaultSourceEditorOptions.Instance.AutoInsertMatchingBracket = savedValue;
				};
			}
			return sb.ToString ();
		}