`pdfGetDocInfo`

Read the current in-memory value of one document-info field.

Category	Document metadata

Purpose — Read the current in-memory value of one document-info field.

Declarations

int32_t __stdcall pdfGetDocInfo(PPDF IPDF, int32_t DInfo, const wchar_t* Value);

Delphi

function pdfGetDocInfo(const IPDF: PPDF; DInfo: Integer; var Value: PWideChar): Integer; stdcall; external 'LumasPdf.dll';

Parameters

Parameter	Type	Description
`IPDF`	`PPDF`	Instance handle.
`DInfo`	`Integer`	`Ord(TDocumentInfo)`.
`Value`	`PWideChar*`	Receives the value, or `NULL` if unset.

Return value — String length in characters, or 0 if the handle is invalid or the field is unset. Reads whatever is in memory regardless of whether it will actually serialize — see the chapter note above for diCompany/diCustom.

Memory & buffers — Value points at an engine-owned buffer valid until the next call to this function.

See also — pdfSetDocInfo, pdfGetDocInfoEx

C# (P/Invoke)

wrappers/dotnet/LumasPdf.cs

public static extern int pdfGetDocInfo(IntPtr IPDF, int DInfo, ref IntPtr Value);

Area

Core SDK