private void displayContent()
        {
            Title = $"{ObjectId} Stream";
            var tokenStreamNullable = tokeniser.GetStream(ObjectId);

            if (tokenStreamNullable is null)
            {
                StreamTextBox.Text = sb.ToString();
                return;
            }

            DictionaryToken?dictionaryToken;

            (dictionaryToken, bytesMemory) = tokenStreamNullable.Value;
            if (dictionaryToken != null && dictionaryToken.PdfObject is PdfContent)
            {
                displayContentStream(dictionaryToken);
            }
            else
            {
                displayChar(isInitialising: true);
            }
        }