internal IColumnObjectAccessor _CreateAccessor(string colName, IFrame frame)
{
if (frame is SimpleFrame)
return new BlueSpider.Blob.Regular.Data.SimpleFrameColumnObjectAccessor(frame.IndexOfColumn(colName), (SimpleFrame)frame);
else if (frame is BlueSpider.Blob.Data.CSpace.Frame)
return new BlueSpider.Blob.Data.CSpace.FrameColumnObjectAccessor(frame.IndexOfColumn(colName), (BlueSpider.Blob.Data.CSpace.Frame)frame);
return null;
}