FPDF_GetFileVersion method
Function: FPDF_GetFileVersion Get the file version of the given PDF document. Parameters: doc - Handle to a document. fileVersion - The PDF file version. File version: 14 for 1.4, 15 for 1.5, ... Return value: True if succeeds, false otherwise. Comments: If the document was created by FPDF_CreateNewDocument, then this function will always fail.
Implementation
int FPDF_GetFileVersion(FPDF_DOCUMENT doc, ffi.Pointer<ffi.Int> fileVersion) {
return _FPDF_GetFileVersion(doc, fileVersion);
}