getBookmark method

Implementation

TBookmark? getBookmark() {
  if (bookmarkAvailable()) {
    final data = TValueBuffer();
    getBookmarkData(activeBuffer()!, data);
    final v = data.value;
    if (v is Uint8List) return v;
    if (v is List<int>) return Uint8List.fromList(v);
    return Uint8List(0);
  }
  return null;
}