public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            switch (value)
            {
            case IFilesystemEntry filesystemEntry:

                if (filesystemEntry.IsDirectory)
                {
                    return(IconManager.FindIconForFolder(parameter as string == "large", false));
                }

                var isDDS = FileTypeChecker.IsExtensionDDS(filesystemEntry);
                if (isDDS)
                {
                    return(IconManager.FindIconForFilename("file.dds", parameter as string == "large"));
                }

                //todo known types
                //menuItem.File.Filename

                // fallback
                return(IconManager.FindIconForFilename(filesystemEntry.Name, parameter as string == "large"));

            default:
                return(IconManager.FindIconForFilename("empty_file", parameter as string == "large"));    // return empty file
            }
        }