Specifies the algorithm for converting a color image inTo a black and white image. This option will applied only if CompressionTypeaspose.slides.export/iTiffoptions/compressiontype is set To CCITT4 or CCITT3 Read/write BlackWhiteConversionModeaspose.slides.export/blackwhiteconversionmode. Default is Default....( var presentation = new Presentation ()) { presentation . Save...tiffFilePath , SaveFormat . Tiff , tiffOptions ); } See Also...