PdfPolylineAnnotation Class

In This Topic

Represents a PDF annotation that displays a polyline.

Object Model

Syntax

Visual Basic
C#
Managed Extensions for C++
C++/CLI

'Declaration
 
Public NotInheritable Class PdfPolylineAnnotation 
   Inherits PdfPolygonalAnnotation

public sealed class PdfPolylineAnnotation : PdfPolygonalAnnotation

public __gc __sealed class PdfPolylineAnnotation : public PdfPolygonalAnnotation

public ref class PdfPolylineAnnotation sealed : public PdfPolygonalAnnotation

Example

Here is an example that shows how to create a PDF polyline annotation:

VB.NET

''' <summary>
''' Creates the PDF documenet with polyline annotation.
''' </summary>
''' <param name="outputPdfFilename">The output PDF filename.</param>
Public Shared Sub CreatePdfPolylineAnnotation(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)
            
		' Points
		Dim random As New System.Random()
		Dim polylgonalAnnotationPoints As System.Drawing.PointF() = New System.Drawing.PointF(9) {}
		polylgonalAnnotationPoints(0) = annotationRectangle.Location
		For i As Integer = 1 To polylgonalAnnotationPoints.Length - 1
			polylgonalAnnotationPoints(i) = New System.Drawing.PointF(annotationRectangle.X + annotationRectangle.Width * CSng(random.NextDouble()), annotationRectangle.Y + annotationRectangle.Height * CSng(random.NextDouble()))
		Next
            
		' Polyline annotation
		Dim polyline As New Vintasoft.Imaging.Pdf.Tree.Annotations.PdfPolylineAnnotation(page)
		polyline.Rectangle = System.Drawing.RectangleF.Inflate(annotationRectangle, 30, 30)
		polyline.Points = polylgonalAnnotationPoints
		polyline.BorderWidth = 3
		polyline.InteriorColor = System.Drawing.Color.Red
		polyline.Color = System.Drawing.Color.Green
		polyline.StartPointLineEndingStyle = Vintasoft.Imaging.Pdf.Tree.Annotations.PdfAnnotationLineEndingStyle.ClosedArrow
		polyline.EndPointLineEndingStyle = Vintasoft.Imaging.Pdf.Tree.Annotations.PdfAnnotationLineEndingStyle.Diamond
		polyline.UpdateAppearance()
		page.Annotations.Add(polyline)
            
		document.SaveChanges()
	End Using
End Sub

/// <summary>
/// Creates the PDF documenet with polyline annotation.
/// </summary>
/// <param name="outputPdfFilename">The output PDF filename.</param>
public static void CreatePdfPolylineAnnotation(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);
            
        // Points
        System.Random random = new System.Random();
        System.Drawing.PointF[] polylgonalAnnotationPoints = new System.Drawing.PointF[10];
        polylgonalAnnotationPoints[0] = annotationRectangle.Location;
        for (int i = 1; i < polylgonalAnnotationPoints.Length; i++)
        {
            polylgonalAnnotationPoints[i] = new System.Drawing.PointF(
                annotationRectangle.X + annotationRectangle.Width * (float)random.NextDouble(),
                annotationRectangle.Y + annotationRectangle.Height * (float)random.NextDouble());
        }
            
        // Polyline annotation
        Vintasoft.Imaging.Pdf.Tree.Annotations.PdfPolylineAnnotation polyline = 
            new Vintasoft.Imaging.Pdf.Tree.Annotations.PdfPolylineAnnotation(page);
        polyline.Rectangle = System.Drawing.RectangleF.Inflate(annotationRectangle, 30, 30);
        polyline.Points = polylgonalAnnotationPoints;
        polyline.BorderWidth = 3;
        polyline.InteriorColor = System.Drawing.Color.Red;
        polyline.Color = System.Drawing.Color.Green;
        polyline.StartPointLineEndingStyle = 
            Vintasoft.Imaging.Pdf.Tree.Annotations.PdfAnnotationLineEndingStyle.ClosedArrow;
        polyline.EndPointLineEndingStyle = 
            Vintasoft.Imaging.Pdf.Tree.Annotations.PdfAnnotationLineEndingStyle.Diamond;
        polyline.UpdateAppearance();
        page.Annotations.Add(polyline);
            
        document.SaveChanges();
    }
}

Inheritance Hierarchy

System.Object
   Vintasoft.Imaging.Pdf.Tree.PdfTreeNodeBase
      Vintasoft.Imaging.Pdf.Tree.Annotations.PdfAnnotation
         Vintasoft.Imaging.Pdf.Tree.Annotations.PdfMarkupAnnotation
            Vintasoft.Imaging.Pdf.Tree.Annotations.PdfPolygonalAnnotation
               Vintasoft.Imaging.Pdf.Tree.Annotations.PdfPolylineAnnotation

Requirements

Target Platforms: .NET 5; .NET Core 3.1; .NET Framework 4.8, 4.7, 4.6, 4.5, 4.0, 3.5

Reference

PdfPolylineAnnotation Members
Vintasoft.Imaging.Pdf.Tree.Annotations Namespace

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