Indicates whether to use a raster image overlay on top of the resulting PDF document.
true to use a raster image overlay on top of the resulting PDF document; otherwise, false. Default value is false.
This is used when creating a searchable PDF document that is required to be the same as the original. When true, an image of the original file will be saved over the entire PDF document as an overlay. When using the resulting document in a PDF viewer, you can still search the text underneath the overlay image and still maintain the look of the original document.
Use the ImageOverTextSize property to control the quality of the overlay image.
Use the ImageOverTextMode property to control if and how grayscale images are treated in the final document.
Medical Web Viewer .NET