Fill Order Tag Field in TIFF

I want to know how to set the fill order(266) field in the tiff (jpeg compression) by using Leadtools 14.5 and C#.Net 2003?

I mean to say how to set LeastSignificantBitFirst value when saving tif file

This tag is controlled automatically by the toolkit when you save TIFF images with LEADTOOLS, and you have the option to use both types of Fill Order with certain types of CCITT-compressed and raw files.
Of course you can change it manually using the RasterCodecs.WriteTag Method, but please note that the TIFF 6 specification states that "FillOrder = 2 should be used only when BitsPerSample = 1". Since JPEG compression does not work with 1 bit/sample images, you should not modify this tag with JPEG-compressed TIFF images.

1) So how to write a count 1, value 1 to the tag with tag id 266??

2) How to do the fill order setting in the Leadtools toolkits

If you want to set the tag value manually to 1, here's the code to do it:
Leadtools.Codecs.RasterCodecs _codecs = new Leadtools.Codecs.RasterCodecs();
Leadtools.RasterTagMetadata tag = new RasterTagMetadata();
tag.DataType = Leadtools.RasterTagMetadataDataType.UInt16;
tag.Id = 266;
UInt16[] shartValue = new UInt16[1];
shartValue[0] = 1;
tag.FromUInt16(shartValue);
_codecs.WriteTag(@"c:\image.tif", 1, tag);

When i write the fill order tag into the file, the file in a huge bigger size?

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