XReadOptions Operation Property. Gets or sets the Operation to use. ABCpdf .NET PDF Library. From ABCpdf .net previous page next page Operation Property Type Default Read Only Description [C#]Operation[Visual Basic]Operation null No Gets or sets the Operation to use. Notes This property is used by modules for which a suitable derived class of Operation exists. If it is null, those modules create a temporary Operation with default behaviours. ReadModule Operation Description SwfVector SwfImportOperation If this property is null, the temporary SwfImportOperation has its Timeout set to Timeout and sets ProcessingObjectEventArgs.Info.FrameNumber to Frame once. Xps XpsImportOperation If this property is null, the temporary XpsImportOperation compresses the GraphicLayer's of the pages. XpsAny XpsImportOperation If this property is null, the temporary XpsImportOperation compresses the GraphicLayer's of the pages. Example None. previous page start next page