GetOptionalContentGroupID

Content Streams and Optional Content Groups

Description

Returns the ID of the optional content group with the specified index.

function TPDFlib.GetOptionalContentGroupID(Index: Integer): Integer;

Function PDFlib::GetOptionalContentGroupID(Index As Long) As Long

int DLGetOptionalContentGroupID(int InstanceID, int Index);

Index	The index of the optional content group. The first group has an index of 1. Use the OptionalContentGroupCount function to determine the number of optional content groups in the document.

0	The Index parameter was out of range