TiffTagAddRational

This method adds a new TIFF tag of type rational to the image object.

Syntax

TiffTagAddRational (TagId As Long, TagType As CROTiffTagType, Num As Long, Denom As Long)
Parameter Description

TagId

The Id of the new tag must be in the range of valid user tags for TIFF files.

Possible values

32768 to 65535

Additionally, the printer tag is allowed, which is defined as 337.

TagType

Type of the new tag.

Possible values

  • CROTiffTagDouble
  • CROTiffTagFloat

Num

Numerator value of the new rational TIFF tag.

Denom

Denominator value of the new rational TIFF tag. Must not be 0.

Note: The method does not save the changes to the image file. To save the file, call a save method.