How To Create Circle Annotation in PDF Mosaic Library .NET

This sample shows how to circle annotation to your PDF document.

C# :

using PDFMosaic;
using System;
using System.Drawing;

namespace MarkupAnnotations
{
  class MarkupAnnotations
  {
    static void Main()
    {
      PDFDocument document = new PDFDocument();
      PDFPage page = new PDFPage(PDFPaperFormat.A4);
      
      PDFCircleAnnotation circleAnnotation1 = new PDFCircleAnnotation(70, 30, 80, 50);
      circleAnnotation1.BackgroundColor = new PDFColorRGB(250, 255, 255);
      circleAnnotation1.BorderStyle.Style = PDFBorderStyle.Dashed;
      page.Annotations.Add(circleAnnotation1);
      
      PDFCircleAnnotation circleAnnotation2 = new PDFCircleAnnotation(60, 100, 100, 60);
      circleAnnotation2.BorderEffect.Effect = PDFBorderEffect.Cloudy;
      circleAnnotation2.BorderEffect.Intensity = 2;
      page.Annotations.Add(circleAnnotation);

      document.Pages.Add(page);
      document.Save("CircleAnnotation.pdf", true);
    }
  }
}

VB.NET :

Imports PDFMosaic
Imports System
Imports System.Drawing

Module MarkupAnnotations
  Sub Main()
    Dim document As New PDFDocument()
    Dim page As New PDFPage(PDFPaperFormat.A4)

    Dim circleAnnotation1 As New PDFCircleAnnotation(70, 30, 80, 50)
    circleAnnotation1.BackgroundColor = New PDFColorRGB(250, 255, 255)
    circleAnnotation1.BorderStyle.Style = PDFBorderStyle.Dashed
    page.Annotations.Add(circleAnnotation1)

    Dim circleAnnotation2 As New PDFCircleAnnotation(60, 100, 100, 60)
    circleAnnotation2.BorderEffect.Effect = PDFBorderEffect.Cloudy
    circleAnnotation2.BorderEffect.Intensity = 2
    page.Annotations.Add(circleAnnotation2)

    document.Pages.Add(page)
    document.Save("CircleAnnotation.pdf", True)
  End Sub
End Module