PDF Standard Format Details

CPDFStandardFormat Enumeration

Enum Value	Description
StandardPDF	Standard PDF format (no specific standard)
StandardPDFA	PDF/A format, for long-term archiving
StandardPDFX	PDF/X format, for print exchange
StandardPDFE	PDF/E format, for engineering documents
StandardPDFUA	PDF/UA format, for universal accessibility
StandardPDFVT	PDF/VT format, for variable data printing

CPDFPartType Enumeration

Enum Value	Description
None	No subtype
PDF_a	Type a (full conformance, includes structural information)
PDF_b	Type b (basic conformance)
PDF_u	Type u (Unicode conformance)

CPDFUALanguage Enumeration (Partial)

Enum Value	Description
unspecified	Unspecified
zh_CN	Simplified Chinese (Mainland China)
zh_TW	Traditional Chinese (Taiwan)
en_US	English (United States)
en_GB	English (United Kingdom)
ja_JP	Japanese (Japan)
ko_KR	Korean (South Korea)
de_DE	German (Germany)
fr_FR	French (France)