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To export to output document only annotated pages, follow these steps:
- Instantiate the Annotator class. Specify the input document path or stream.
- Instantiate the SaveOptions class. Set the OnlyAnnotatedPages property to
true. - Call the Save method with the output document path or stream. Specify the SaveOptions class as a parameter. The following code snippet shows how to save only annotated pages:
// for this example input file ("input.pdf") must have at least 10 pages
using (Annotator annotator = new Annotator("input.pdf"))
{
AreaAnnotation area = new AreaAnnotation()
{
Box = new Rectangle(100, 100, 100, 100),
BackgroundColor = 65535,
PageNumber = 1
};
EllipseAnnotation ellipse = new EllipseAnnotation()
{
Box = new Rectangle(100, 100, 100, 100),
BackgroundColor = 123456,
PageNumber = 9
};
//Result file will be contain only two pages (1 and 9)
annotator.Add(new List<AnnotationBase>() { area, ellipse });
annotator.Save("result.pdf" new SaveOptions { OnlyAnnotatedPages = true});
}
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