PdfPolygonAnnotation Class

Represents a Polygon annotation.

Inheritance
System.Object
PdfAnnotation
PdfPolygonAnnotation
Implements
System.ComponentModel.INotifyPropertyChanged
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.ToString()
Namespace: Syncfusion.Pdf.Interactive
Assembly: Syncfusion.Pdf.Base.dll
Syntax
public class PdfPolygonAnnotation : PdfAnnotation, IPdfWrapper, INotifyPropertyChanged

Constructors

PdfPolygonAnnotation(Int32[], String)

Initialise the new instance of the polygon annotation with bounds and text.

Declaration
public PdfPolygonAnnotation(int[] points, string text)
Parameters
Type Name Description
System.Int32[] points

Used to represent the poloygon points
System.String text

Used to represents the text of the annotation

Properties

Border

Get or sets the border style of the square annotation.

Declaration
public LineBorder Border { get; set; }
Property Value
Type
LineBorder

BorderEffect

Get or set the border effect of the Polygon annotation.

Declaration
public PdfBorderEffect BorderEffect { get; set; }
Property Value
Type
PdfBorderEffect
Examples
//Creates a new PDF document.
PdfDocument document = new PdfDocument();
//Creates a new page 
PdfPage page = document.Pages.Add();
document.PageSettings.SetMargins(0);
//Set the font
PdfFont font = new PdfStandardFont(PdfFontFamily.Helvetica, 10f);
PdfBrush brush = new PdfSolidBrush(System.Drawing.Color.Black);
//Create a new polygon Line
int[] points = new int[] { 80, 420, 150, 420 };
//Create a new line annotation.
PdfPolygonAnnotation polygonannotation = new PdfPolygonAnnotation(points, "Polygon");
//Set the text and font
polygonannotation.Text = "Hello";
polygonannotation.InnerColor = new PdfColor(Color.Red);
PdfBorderEffect borderEffect = new PdfBorderEffect();
borderEffect.Intensity=2;
borderEffect.Style = PdfBorderEffectStyle.Cloudy;
polygonannotation.BorderEffect = borderEffect;
polygonannotation.Color = new PdfColor(Color.Yellow);
page.Graphics.DrawString("Polygon Annotation", font, brush, new PointF(0, 0));
//Add the annotation to the page.
page.Annotations.Add(polygonannotation);
//Save the document.
document.Save("Output.pdf");
//Close the document.
document.Close(true);
'Creates a new PDF document.
Dim document As PdfDocument = New PdfDocument()
'Creates a new page 
Dim page As PdfPage = document.Pages.Add()
document.PageSettings.SetMargins(0)
'Set the font.
Dim font As PdfFont = New PdfStandardFont(PdfFontFamily.Helvetica, 10.0F)
Dim brush As PdfBrush = New PdfSolidBrush(System.Drawing.Color.Black)
Dim points() As Integer = New Integer() { 80, 420, 150, 420}
Dim polygonannotation As PdfPolygonAnnotation = New PdfPolygonAnnotation(points, "Ploycon")
'Set the text and font
polygonannotation.Text = "Hello"
polygonannotation.InnerColor = New PdfColor(Color.Red)
Dim borderEffect As PdfBorderEffect = New PdfBorderEffect()
borderEffect.Intensity=2;
borderEffect.Style = PdfBorderEffectStyle.Cloudy
polygonannotation.BorderEffect = borderEffect
polygonannotation.Color = New PdfColor(Color.Yellow)
page.Graphics.DrawString("Polygon Annotation", font, brush, New PointF(0, 0))
'Add annotation to the page.
page.Annotations.Add(polygonannotation)
'Save the document.
document.Save("Output.pdf")
'Close the document.
document.Close(True)

Comments

Gets the annotation comments

Declaration
public PdfPopupAnnotationCollection Comments { get; }
Property Value
Type
PdfPopupAnnotationCollection
Examples

//Create a new PDF document. PdfDocument document = new PdfDocument(); //Create a new page. PdfPage page = document.Pages.Add(); //Create a new rectangle int[] points = new int[] { 80, 420, 150, 420 }; //Create a new line annotation. PdfPolygonAnnotation PolyConAnnotation = new PdfPolygonAnnotation(points, "Ploycon"); //Set the text and font PolyConAnnotation.Text = "Hello"; // set comments PdfPopupAnnotation popupComments = new PdfPopupAnnotation(); popupComments.Author = "TestAuthor"; popupComments.Text = "Test Text"; PolyConAnnotation.Comments.Add(popupComments); //Get annotation comments PdfPopupAnnotationCollection commentsCollection = PolyConAnnotation.Comments; //Saves the document to disk. document.Save("Output.pdf"); document.Close(true);

Dim document As PdfDocument = New PdfDocument
Dim page As PdfPage = document.Pages.Add
Dim points() As Integer = New Integer() { 80, 420, 150, 420}
Dim PolyConAnnotation As PdfPolygonAnnotation = New PdfPolygonAnnotation(points, "Ploycon")
'Set the text and font
PolyConAnnotation.Text = "Hello"
Dim popupComments As PdfPopupAnnotation = New PdfPopupAnnotation
popupComments.Author = "TestAuthor"
popupComments.Text = "Test Text"
PolyConAnnotation.Comments.Add(popupComments)
Dim commentsCollection As PdfPopupAnnotationCollection = PolyConAnnotation.Comments
'Saves the document to disk.
document.Save("Output.pdf")
document.Close(true)

LineExtension

Gets or sets Leading Line Extension, Default value is 0

Declaration
public int LineExtension { get; set; }
Property Value
Type
System.Int32

ReviewHistory

Gets the annotation reviews

Declaration
public PdfPopupAnnotationCollection ReviewHistory { get; }
Property Value
Type
PdfPopupAnnotationCollection
Examples
//Create a new PDF document. PdfDocument document = new PdfDocument(); //Create a new page. PdfPage page = document.Pages.Add(); //Create a new rectangle int[] points = new int[] { 80, 420, 150, 420 }; //Create a new line annotation. PdfPolygonAnnotation PolyConAnnotation = new PdfPolygonAnnotation(points, "Ploycon"); //Set the text and font PolyConAnnotation.Text = "Hello"; //set review state PdfPopupAnnotation popup = new PdfPopupAnnotation(); popup.State = PdfAnnotationState.Accepted; popup.StateModel = PdfAnnotationStateModel.Review; popup.Text = "Hello PDF Comments"; PolyConAnnotation.ReviewHistory.Add(popup); //Get Review history PdfPopupAnnotationCollection reviewCollection = PolyConAnnotation.ReviewHistory; //Saves the document to disk. document.Save("Output.pdf"); document.Close(true); 
Dim document As PdfDocument = New PdfDocument
Dim page As PdfPage = document.Pages.Add
Dim points() As Integer = New Integer() { 80, 420, 150, 420}
Dim PolyConAnnotation As PdfPolygonAnnotation = New PdfPolygonAnnotation(points, "Ploycon")
'Set the text and font
PolyConAnnotation.Text = "Hello"
Dim popup As PdfPopupAnnotation = New PdfPopupAnnotation
popup.State = PdfAnnotationState.Accepted
popup.StateModel = PdfAnnotationStateModel.Review
popup.Text = "Hello PDF Comments"
PolyConAnnotation.ReviewHistory.Add(popup)
Dim reviewCollection As PdfPopupAnnotationCollection = PolyConAnnotation.ReviewHistory
'Saves the document to disk.
document.Save("Output.pdf")
document.Close(true)

Methods

Initialize()

Initializes annotation object.

Declaration
protected override void Initialize()
Overrides

Save()

Saves an annotation.

Declaration
protected override void Save()
Overrides

Implements

System.ComponentModel.INotifyPropertyChanged