Generating a stream with while loop

while_stream.cs

void Main()
{
    var records = GetRecordStream();
    foreach(var record in records)
    {
        SaveRecord(record);
    }
}

private IEnumerable<Record> GetRecordStream()
{
    bool moreRecords = true;
    while(moreRecords)
    {
        var record = ReadNextRecord();
        if(record != null)
        {
            yield return record;
        }
        else
        {
            moreRecords = false;
        }
    }
}