EmbeddedFile UpdateMetadata Function. Update metadata for the embedded file. ABCpdf .NET PDF Library. From ABCpdf .net previous page next page UpdateMetadata Function Update metadata for the embedded file. Syntax [C#] void UpdateMetadata(string path) [Visual Basic] Sub UpdateMetadata(path As String) may throw Exception() Params Name Description path A path to a file containing data. If null is passed the data will be cleared. Notes Update metadata like the ModificationDate, CreationDate and Size to reflect the file values. This EmbeddedFile must be part of an ObjectSoup or an exception will be thrown. Example None. previous page start next page