VintaSoft Imaging .NET SDK v8.6
Vintasoft.Imaging.Pdf.Tree.Annotations Namespace / PdfCircleAnnotation Class
Members Example



In This Topic
    PdfCircleAnnotation Class
    In This Topic
    Represents a PDF annotation that displays a circle.
    Object Model
    PdfCircleAnnotation ClassPdfAction ClassPdfAnnotationAdditionalActions ClassPdfAnnotationAppearanceGenerator ClassPdfAnnotationAppearances ClassPdfFileReferenceSpecificationList ClassPdfFileReferenceSpecification ClassPdfBasicObject ClassPdfAnnotationBorderEffect ClassPdfAnnotationBorderStyle ClassPdfDocument ClassPdfIndirectReference ClassPdfOptionalContentGroup ClassPaddingF StructurePdfPage Class
    Syntax
    'Declaration
     
    Public NotInheritable Class PdfCircleAnnotation 
       Inherits PdfRectangularAnnotation
    public sealed class PdfCircleAnnotation : PdfRectangularAnnotation 
    public __gc __sealed class PdfCircleAnnotation : public PdfRectangularAnnotation 
    public ref class PdfCircleAnnotation sealed : public PdfRectangularAnnotation 
    Example
    This example shows how to create a PDF circle annotation.
    ''' <summary>
    ''' Creates the PDF documenet with circle annotation.
    ''' </summary>
    ''' <param name="outputPdfFilename">The output PDF filename.</param>
    Public Shared Sub CreatePdfCircleAnnotation(outputPdfFilename As String)
        Using document As New Vintasoft.Imaging.Pdf.PdfDocument(outputPdfFilename, Vintasoft.Imaging.Pdf.PdfFormat.Pdf_14)
            Dim page As Vintasoft.Imaging.Pdf.Tree.PdfPage
                
            ' Add new page
            page = document.Pages.Add(Vintasoft.Imaging.PaperSizeKind.A4)
            page.Annotations = New Vintasoft.Imaging.Pdf.Tree.Annotations.PdfAnnotationList(document)
            Dim annotationRectangle As System.Drawing.RectangleF = page.MediaBox
            annotationRectangle.Inflate(-200, -300)
                
            ' Circle annotation
            Dim circle As New Vintasoft.Imaging.Pdf.Tree.Annotations.PdfCircleAnnotation(page)
            circle.Rectangle = annotationRectangle
            circle.BorderWidth = 3
            circle.Padding = New Vintasoft.Imaging.PaddingF(circle.BorderWidth)
            circle.InteriorColor = System.Drawing.Color.Red
            circle.Color = System.Drawing.Color.Green
            circle.UpdateAppearance()
            page.Annotations.Add(circle)
                
            document.SaveChanges()
        End Using
    End Sub
    /// <summary>
    /// Creates the PDF documenet with circle annotation.
    /// </summary>
    /// <param name="outputPdfFilename">The output PDF filename.</param>
    public static void CreatePdfCircleAnnotation(string outputPdfFilename)
    {
        using (Vintasoft.Imaging.Pdf.PdfDocument document = new Vintasoft.Imaging.Pdf.PdfDocument(
            outputPdfFilename, Vintasoft.Imaging.Pdf.PdfFormat.Pdf_14))
        {
            Vintasoft.Imaging.Pdf.Tree.PdfPage page;
                
            // Add new page
            page = document.Pages.Add(Vintasoft.Imaging.PaperSizeKind.A4);
            page.Annotations = new Vintasoft.Imaging.Pdf.Tree.Annotations.PdfAnnotationList(document);
            System.Drawing.RectangleF annotationRectangle = page.MediaBox;
            annotationRectangle.Inflate(-200, -300);
                
            // Circle annotation
            Vintasoft.Imaging.Pdf.Tree.Annotations.PdfCircleAnnotation circle = 
                new Vintasoft.Imaging.Pdf.Tree.Annotations.PdfCircleAnnotation(page);
            circle.Rectangle = annotationRectangle;
            circle.BorderWidth = 3;
            circle.Padding = new Vintasoft.Imaging.PaddingF(circle.BorderWidth);
            circle.InteriorColor = System.Drawing.Color.Red;
            circle.Color = System.Drawing.Color.Green;
            circle.UpdateAppearance();
            page.Annotations.Add(circle);
            
            document.SaveChanges();
        }
    }
    Inheritance Hierarchy
    Requirements

    Target Platforms: Windows 10, Windows 8, Windows 7, Windows Vista, Windows XP, Windows Server 2012, Windows Server 2008, Windows Server 2003

    See Also