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V22.2
.NET Framework 4.5.2+

PdfPageFacade.FlattenAnnotations(Func<PdfAnnotationFacade, Boolean>) Method

Flattens all page annotations that meet the specified criteria.

Namespace: DevExpress.Pdf

Assembly: DevExpress.Pdf.v22.2.Core.dll

NuGet Package: DevExpress.Pdf.Core

Declaration

public void FlattenAnnotations(
    Func<PdfAnnotationFacade, bool> predicate
)

Parameters

Name Type Description
predicate Func<PdfAnnotationFacade, Boolean>

Defines a set of criteria for the PdfAnnotationFacade object.

Example

The code sample below flattens all annotations that are located on the lower half of the first page:

using (PdfDocumentProcessor processor = new PdfDocumentProcessor())
{
  // Load a document
  processor.LoadDocument("..\\..\\Document.pdf");
  PdfPageFacade pageFacade = processor.DocumentFacade.Pages[0];

  // Flatten annotations located
  // on the lower half of the first page
  double halfPage = processor.Document.Pages[0].CropBox.Top / 2;
  pageFacade.FlattenAnnotations(x => x.Rectangle.Top < halfPage);

  // Save the result
  processor.SaveDocument("..\\..\\Result.pdf");
}
See Also