TiffImageLoadOptionsloadOptions=newTiffImageLoadOptions();// Specify an absolute or relative path to your image. Ex: @"C:\Docs\image.tiff"using(Watermarkerwatermarker=newWatermarker("image.tiff",loadOptions)){// Initialize text or image watermarkTextWatermarkwatermark=newTextWatermark("Test watermark",newFont("Arial",19));// Add watermark to the first frameTiffImageWatermarkOptionsoptions=newTiffImageWatermarkOptions();options.FrameIndex=0;watermarker.Add(watermark,options);watermarker.Save("image.tiff");}