Options for specifying the PDF/X compliance standard.
    Static Properties
| Name | Description | 
|---|---|
| NONE | Does not check for compliance with a PDF/X standard. | 
| PDFX1A2001_STANDARD | Checks for compliance with the PDF/X-1a:2001 standard. | 
| PDFX1A2003_STANDARD | Checks for compliance with the PDF/X-1a:2003 standard. | 
| PDFX32002_STANDARD | Checks for compliance with the PDF/X-3:2002 standard. | 
| PDFX32003_STANDARD | Checks for compliance with the PDF/X-3:2003 standard. | 
| PDFX42010_STANDARD | PDFX42010 standard is used. |