API referenceCore SDK

pdfGetOCGCount

Number of OCGs (layers) registered on this instance.

CategoryOptional content

Purpose — Number of OCGs (layers) registered on this instance.

Declarations

C
int32_t __stdcall pdfGetOCGCount(PPDF IPDF);
Delphi
function pdfGetOCGCount(const IPDF: PPDF): Integer; stdcall; external 'LumasPdf.dll';

Return value — OCG count, 0 if none or the handle is invalid. Enumerate with pdfGetOCG(IPDF, 1..count, …).

See alsopdfGetOCG

C# (P/Invoke)

wrappers/dotnet/LumasPdf.cs
public static extern int pdfGetOCGCount(IntPtr IPDF);
Area
Core SDK
Category

Getters

Exported names

pdfGetOCGCount

String variants

The …A form takes UTF-8, …W takes UTF-16; a bare name aliases the ANSI form.

See working code

Worked examples — complete programs in ten languages.