public SrmDocument ReadAnnotationsFromFile(CancellationToken cancellationToken, string filename)
{
DataSchema.BeginBatchModifyDocument();
using (var streamReader = new StreamReader(filename))
{
var dsvReader = new DsvFileReader(streamReader, TextUtil.SEPARATOR_CSV);
ReadAllAnnotations(cancellationToken, dsvReader);
}
DataSchema.CommitBatchModifyDocument(string.Empty, null);
return(DataSchema.Document);
}