Type Default Value Read Only Description
[C#]
string

[Visual Basic]
string
null No Represents the "Subtype" entry of the optional content usage page dictionary object.

 

   

Notes
 

Represents the "Subtype" entry of the optional content usage page dictionary object.

It is a required entry defined as part of the PDF 1.0 specification.

It contains a string representing a PDF name object.

This item may take one of the following valid values:.

  • HF
  • FG
  • BG
  • L

For definitive details see:.

The ISO PDF Specification, ISO 32000-1:2008 PDF 1.7; Table: 102, page 232.

The ISO PDF Specification, ISO 32000-2:2017 PDF 2.0; Table: 100, page 284.

 

   

Example
 
None.