Enum PdfVersion

Namespace

NetPdf

Assembly

NetPdf.dll

The PDF specification version emitted in the file header. Default is V1_7 for broad viewer compatibility. ISO 32000-2:2020 is the normative reference for our writer; emitting older bytes is a forward-compatible choice.

public enum PdfVersion

Fields

V1_4 = 0

PDF 1.4 (2001). Minimum recommended for transparency.

V1_5 = 1

PDF 1.5 (2003). Adds object streams and xref streams.

V1_6 = 2

PDF 1.6 (2004).

V1_7 = 3

PDF 1.7 (2008, ISO 32000-1). NetPdf's default emission.

V2_0 = 4

PDF 2.0 (ISO 32000-2:2020). Enables xref streams + AES-256.