protected override void OnExecute(object parameter)
        {
            ColumnInfo[] ColumnInfos = { new ColumnInfo("Project"), new ColumnInfo("Folder"), new ColumnInfo("Component"), new ColumnInfo("Declaration Type"), new ColumnInfo("Scope"),
                                         new ColumnInfo("Name"),    new ColumnInfo("Return Type") };

            var declarationFormatters = _state.AllUserDeclarations.Select(declaration => new DeclarationFormatter(declaration));
            var title = string.Format(CodeExplorerUI.CodeExplorer_AppendHeader, DateTime.Now.ToString(CultureInfo.InvariantCulture));

            _clipboard.AppendInfo(ColumnInfos, declarationFormatters, title, ClipboardWriterAppendingInformationFormat.All);

            _clipboard.Flush();
        }