Exemplo n.º 1
0
        private static void CreateRedactionAnnotations(PdfFixedDocument document, PdfFont font, Stream flashStream)
        {
            PdfBrush blackBrush = new PdfBrush();

            PdfPage page = document.Pages.Add();

            page.Graphics.DrawString("Redaction annotations", font, blackBrush, 50, 50);

            PdfStandardFont helvetica = new PdfStandardFont(PdfStandardFontFace.Helvetica, 10);

            page.Graphics.DrawString(
                "Open the file with Adobe Acrobat, right click on the annotation and select \"Apply redactions\". The text under the annotation will be redacted.",
                helvetica, blackBrush, 50, 110);

            PdfFormXObject redactionAppearance = new PdfFormXObject(250, 150);

            redactionAppearance.Graphics.DrawRectangle(new PdfBrush(PdfRgbColor.LightGreen),
                                                       0, 0, redactionAppearance.Width, redactionAppearance.Height);
            PdfStringAppearanceOptions sao = new PdfStringAppearanceOptions();

            sao.Brush = new PdfBrush(PdfRgbColor.DarkRed);
            sao.Font  = new PdfStandardFont(PdfStandardFontFace.HelveticaBold, 32);
            PdfStringLayoutOptions slo = new PdfStringLayoutOptions();

            slo.Width           = redactionAppearance.Width;
            slo.Height          = redactionAppearance.Height;
            slo.X               = 0;
            slo.Y               = 0;
            slo.HorizontalAlign = PdfStringHorizontalAlign.Center;
            slo.VerticalAlign   = PdfStringVerticalAlign.Middle;
            redactionAppearance.Graphics.DrawString("This content has been redacted", sao, slo);

            PdfRedactionAnnotation redactionAnnotation = new PdfRedactionAnnotation();

            page.Annotations.Add(redactionAnnotation);
            redactionAnnotation.Author            = "XFINIUM.PDF";
            redactionAnnotation.BorderColor       = new PdfRgbColor(192, 0, 0);
            redactionAnnotation.BorderWidth       = 1;
            redactionAnnotation.OverlayAppearance = redactionAppearance;
            redactionAnnotation.VisualRectangle   = new PdfVisualRectangle(50, 100, 250, 150);
        }
Exemplo n.º 2
0
        /// <summary>
        /// Invoked when this page is about to be displayed in a Frame.
        /// </summary>
        /// <param name="e">Event data that describes how this page was reached.  The Parameter
        /// property is typically used to configure the page.</param>
        //protected override void OnNavigatedTo(NavigationEventArgs e)
        //{
        //}

        private async void Button_Click_1(object sender, RoutedEventArgs e)
        {
            //Create a new PDF document
            PdfDocument document = new PdfDocument();
            PdfPage     page     = document.Pages.Add();

            document.PageSettings.SetMargins(0);

            PdfFont  font  = new PdfStandardFont(PdfFontFamily.Helvetica, 10f);
            PdfBrush brush = new PdfSolidBrush(System.Drawing.Color.FromArgb(255, 0, 0, 0));
            string   text  = "Adventure Works Cycles, the fictitious company on which the AdventureWorks sample databases are based, is a large, multinational manufacturing company. The company manufactures and sells metal and composite bicycles to North American, European and Asian commercial markets. While its base operation is located in Washington with 290 employees, several regional sales teams are located throughout their market base.";

            page.Graphics.DrawString("Annotation with Comments and Reviews", font, brush, new PointF(30, 10));
            page.Graphics.DrawString(text, font, brush, new RectangleF(30, 40, page.GetClientSize().Width - 60, 60));

            string markupText = "North American, European and Asian commercial markets";
            PdfTextMarkupAnnotation textMarkupAnnot = new PdfTextMarkupAnnotation("sample", "Highlight", markupText, new PointF(147, 63.5f), font);

            textMarkupAnnot.Author                   = "Annotation";
            textMarkupAnnot.Opacity                  = 1.0f;
            textMarkupAnnot.Subject                  = "Comments and Reviews";
            textMarkupAnnot.ModifiedDate             = new DateTime(2015, 1, 18);
            textMarkupAnnot.TextMarkupAnnotationType = PdfTextMarkupAnnotationType.Highlight;
            textMarkupAnnot.TextMarkupColor          = new PdfColor(System.Drawing.Color.Yellow);
            textMarkupAnnot.InnerColor               = new PdfColor(System.Drawing.Color.Red);
            textMarkupAnnot.Color = new PdfColor(System.Drawing.Color.Yellow);
            if (flatten.IsChecked == true)
            {
                textMarkupAnnot.Flatten = true;
            }
            //Create a new comment.
            PdfPopupAnnotation userQuery = new PdfPopupAnnotation();

            userQuery.Author       = "John";
            userQuery.Text         = "Can you please change South Asian to Asian?";
            userQuery.ModifiedDate = new DateTime(2015, 1, 18);
            //Add comment to the annotation
            textMarkupAnnot.Comments.Add(userQuery);

            //Creates a new comment
            PdfPopupAnnotation userAnswer = new PdfPopupAnnotation();

            userAnswer.Author       = "Smith";
            userAnswer.Text         = "South Asian has changed as Asian";
            userAnswer.ModifiedDate = new DateTime(2015, 1, 18);
            //Add comment to the annotation
            textMarkupAnnot.Comments.Add(userAnswer);

            //Creates a new review
            PdfPopupAnnotation userAnswerReview = new PdfPopupAnnotation();

            userAnswerReview.Author       = "Smith";
            userAnswerReview.State        = PdfAnnotationState.Completed;
            userAnswerReview.StateModel   = PdfAnnotationStateModel.Review;
            userAnswerReview.ModifiedDate = new DateTime(2015, 1, 18);
            //Add review to the comment
            userAnswer.ReviewHistory.Add(userAnswerReview);

            //Creates a new review
            PdfPopupAnnotation userAnswerReviewJohn = new PdfPopupAnnotation();

            userAnswerReviewJohn.Author       = "John";
            userAnswerReviewJohn.State        = PdfAnnotationState.Accepted;
            userAnswerReviewJohn.StateModel   = PdfAnnotationStateModel.Review;
            userAnswerReviewJohn.ModifiedDate = new DateTime(2015, 1, 18);
            //Add review to the comment
            userAnswer.ReviewHistory.Add(userAnswerReviewJohn);

            //Add annotation to the page
            page.Annotations.Add(textMarkupAnnot);

            RectangleF bounds = new RectangleF(350, 170, 80, 80);

            //Creates a new Circle annotation.
            PdfCircleAnnotation circleannotation = new PdfCircleAnnotation(bounds);

            circleannotation.InnerColor      = new PdfColor(System.Drawing.Color.Yellow);
            circleannotation.Color           = new PdfColor(System.Drawing.Color.Red);
            circleannotation.AnnotationFlags = PdfAnnotationFlags.Default;
            circleannotation.Author          = "Syncfusion";
            circleannotation.Subject         = "CircleAnnotation";
            circleannotation.ModifiedDate    = new DateTime(2015, 1, 18);
            page.Annotations.Add(circleannotation);
            page.Graphics.DrawString("Circle Annotation", font, brush, new PointF(350, 130));


            //Creates a new Ellipse annotation.
            PdfEllipseAnnotation ellipseannotation = new PdfEllipseAnnotation(new RectangleF(30, 150, 50, 100), "Ellipse Annotation");

            ellipseannotation.Color      = new PdfColor(System.Drawing.Color.Red);
            ellipseannotation.InnerColor = new PdfColor(System.Drawing.Color.Yellow);
            page.Graphics.DrawString("Ellipse Annotation", font, brush, new PointF(30, 130));
            page.Annotations.Add(ellipseannotation);

            //Creates a new Square annotation.
            PdfSquareAnnotation squareannotation = new PdfSquareAnnotation(new RectangleF(30, 300, 80, 80));

            squareannotation.Text       = "SquareAnnotation";
            squareannotation.InnerColor = new PdfColor(System.Drawing.Color.Red);
            squareannotation.Color      = new PdfColor(System.Drawing.Color.Yellow);
            page.Graphics.DrawString("Square Annotation", font, brush, new PointF(30, 280));
            page.Annotations.Add(squareannotation);

            //Creates a new Rectangle annotation.
            RectangleF             rectannot           = new RectangleF(350, 320, 100, 50);
            PdfRectangleAnnotation rectangleannotation = new PdfRectangleAnnotation(rectannot, "RectangleAnnotation");

            rectangleannotation.InnerColor = new PdfColor(System.Drawing.Color.Red);
            rectangleannotation.Color      = new PdfColor(System.Drawing.Color.Yellow);
            page.Graphics.DrawString("Rectangle Annotation", font, brush, new PointF(350, 280));
            page.Annotations.Add(rectangleannotation);

            //Creates a new Line annotation.
            int[]             points         = new int[] { 400, 350, 550, 350 };
            PdfLineAnnotation lineAnnotation = new PdfLineAnnotation(points, "Line Annoation is the one of the annotation type...");

            lineAnnotation.Author       = "Syncfusion";
            lineAnnotation.Subject      = "LineAnnotation";
            lineAnnotation.ModifiedDate = new DateTime(2015, 1, 18);
            lineAnnotation.Text         = "PdfLineAnnotation";
            lineAnnotation.BackColor    = new PdfColor(System.Drawing.Color.Red);
            page.Graphics.DrawString("Line Annotation", font, brush, new PointF(400, 420));
            page.Annotations.Add(lineAnnotation);

            //Creates a new Polygon annotation.
            int[] polypoints = new int[] { 50, 298, 100, 325, 200, 355, 300, 230, 180, 230 };
            PdfPolygonAnnotation polygonannotation = new PdfPolygonAnnotation(polypoints, "PolygonAnnotation");

            polygonannotation.Bounds = new RectangleF(30, 210, 300, 200);
            PdfPen pen = new PdfPen(System.Drawing.Color.Red);

            polygonannotation.Text       = "polygon";
            polygonannotation.Color      = new PdfColor(System.Drawing.Color.Red);
            polygonannotation.InnerColor = new PdfColor(System.Drawing.Color.LightPink);
            page.Graphics.DrawString("Polygon Annotation", font, brush, new PointF(50, 420));
            page.Annotations.Add(polygonannotation);

            //Creates a new Freetext annotation.
            RectangleF            freetextrect = new RectangleF(405, 645, 80, 30);
            PdfFreeTextAnnotation freeText     = new PdfFreeTextAnnotation(freetextrect);

            freeText.MarkupText      = "Free Text with Callouts";
            freeText.TextMarkupColor = new PdfColor(System.Drawing.Color.Green);
            freeText.Font            = new PdfStandardFont(PdfFontFamily.Helvetica, 7f);
            freeText.BorderColor     = new PdfColor(System.Drawing.Color.Blue);
            freeText.Border          = new PdfAnnotationBorder(.5f);
            freeText.AnnotationFlags = PdfAnnotationFlags.Default;
            freeText.Text            = "Free Text";
            freeText.Color           = new PdfColor(System.Drawing.Color.Yellow);
            PointF[] Freetextpoints = { new PointF(365, 700), new PointF(379, 654), new PointF(405, 654) };
            freeText.CalloutLines = Freetextpoints;
            page.Graphics.DrawString("FreeText Annotation", font, brush, new PointF(400, 610));
            page.Annotations.Add(freeText);

            //Creates a new Ink annotation.
            List <float> linePoints = new List <float> {
                72.919f, 136.376f, 72.264f, 136.376f, 62.446f, 142.922f, 61.137f, 142.922f, 55.901f, 139.649f, 55.246f, 138.34f, 54.592f, 132.449f, 54.592f, 127.867f, 55.901f, 125.904f, 59.828f, 121.976f, 63.101f, 121.322f, 65.719f, 122.631f, 68.992f, 125.249f, 70.301f, 130.485f, 71.61f, 133.104f, 72.264f, 136.376f, 72.919f, 140.304f, 74.883f, 144.885f, 76.192f, 150.776f, 76.192f, 151.431f, 76.192f, 152.085f, 76.192f, 158.631f, 76.192f, 159.94f, 75.537f, 155.358f, 74.228f, 150.122f, 74.228f, 146.195f, 73.574f, 141.613f, 73.574f, 137.685f, 74.228f, 132.449f, 74.883f, 128.522f, 75.537f, 124.594f, 76.192f, 123.285f, 76.846f, 122.631f, 80.774f, 122.631f, 82.737f, 123.285f, 85.355f, 125.249f, 88.628f, 129.831f, 89.283f, 133.104f, 89.937f, 137.031f, 90.592f, 140.958f, 89.937f, 142.267f, 86.665f, 141.613f, 85.355f, 140.304f, 84.701f, 138.34f, 84.701f, 137.685f, 85.355f, 137.031f, 87.974f, 135.722f, 90.592f, 136.376f, 92.555f, 137.031f, 96.483f, 139.649f, 98.446f, 140.958f, 101.719f, 142.922f, 103.028f, 142.922f, 100.41f, 138.34f, 99.756f, 134.413f, 99.101f, 131.14f, 99.101f, 128.522f, 99.756f, 127.213f, 101.065f, 125.904f, 102.374f, 123.94f, 103.683f, 123.94f, 107.61f, 125.904f, 110.228f, 129.831f, 114.156f, 135.067f, 117.428f, 140.304f, 119.392f, 143.576f, 121.356f, 144.231f, 122.665f, 144.231f, 123.974f, 142.267f, 126.592f, 139.649f, 127.247f, 140.304f, 126.592f, 142.922f, 124.628f, 143.576f, 122.01f, 142.922f, 118.083f, 141.613f, 114.81f, 136.376f, 114.81f, 131.14f, 113.501f, 127.213f, 114.156f, 125.904f, 118.083f, 125.904f, 120.701f, 126.558f, 123.319f, 130.485f, 125.283f, 136.376f, 125.937f, 140.304f, 125.937f, 142.922f, 126.592f, 143.576f, 125.937f, 135.722f, 125.937f, 131.794f, 125.937f, 131.14f, 127.247f, 129.176f, 129.21f, 127.213f, 131.828f, 127.213f, 134.447f, 128.522f, 136.41f, 136.376f, 139.028f, 150.122f, 141.647f, 162.558f, 140.992f, 163.213f, 138.374f, 160.595f, 135.756f, 153.395f, 135.101f, 148.158f, 134.447f, 140.304f, 134.447f, 130.485f, 133.792f, 124.594f, 133.792f, 115.431f, 133.792f, 110.194f, 133.792f, 105.612f, 134.447f, 105.612f, 137.065f, 110.194f, 137.719f, 116.74f, 139.028f, 120.013f, 139.028f, 123.94f, 137.719f, 127.213f, 135.756f, 130.485f, 134.447f, 130.485f, 133.792f, 130.485f, 137.719f, 131.794f, 141.647f, 135.722f, 146.883f, 142.922f, 152.774f, 153.395f, 153.428f, 159.286f, 150.156f, 159.94f, 147.537f, 156.667f, 146.883f, 148.813f, 146.883f, 140.958f, 146.883f, 134.413f, 146.883f, 125.904f, 145.574f, 118.703f, 145.574f, 114.776f, 145.574f, 112.158f, 146.228f, 111.503f, 147.537f, 111.503f, 148.192f, 112.158f, 150.156f, 112.812f, 150.81f, 113.467f, 152.119f, 114.776f, 154.083f, 117.394f, 155.392f, 119.358f, 156.701f, 120.667f, 157.356f, 121.976f, 156.701f, 121.322f, 156.047f, 120.013f, 155.392f, 119.358f, 154.083f, 117.394f, 154.083f, 116.74f, 152.774f, 114.776f, 152.119f, 114.121f, 150.81f, 113.467f, 149.501f, 113.467f, 147.537f, 112.158f, 146.883f, 112.158f, 145.574f, 111.503f, 144.919f, 112.158f, 144.265f, 114.121f, 144.265f, 115.431f, 144.265f, 116.74f, 144.265f, 117.394f, 144.265f, 118.049f, 144.919f, 118.703f, 145.574f, 120.667f, 146.228f, 122.631f, 147.537f, 123.285f, 147.537f, 124.594f, 148.192f, 125.904f, 147.537f, 128.522f, 147.537f, 129.176f, 147.537f, 130.485f, 147.537f, 132.449f, 147.537f, 134.413f, 147.537f, 136.376f, 147.537f, 138.34f, 147.537f, 138.994f, 145.574f, 138.994f, 142.956f, 138.252f
            };
            RectangleF       rectangle     = new RectangleF(30, 580, 300, 400);
            PdfInkAnnotation inkAnnotation = new PdfInkAnnotation(rectangle, linePoints);

            inkAnnotation.Bounds = rectangle;
            inkAnnotation.Color  = new PdfColor(System.Drawing.Color.Red);
            page.Graphics.DrawString("Ink Annotation", font, brush, new PointF(30, 610));
            page.Annotations.Add(inkAnnotation);

            PdfPage secondPage = document.Pages.Add();


            //Creates a new TextMarkup annotation.
            string s = "This is TextMarkup annotation!!!";

            secondPage.Graphics.DrawString(s, font, brush, new PointF(30, 70));
            PdfTextMarkupAnnotation textannot = new PdfTextMarkupAnnotation("sample", "Strikeout", s, new PointF(30, 70), font);

            textannot.Author                   = "Annotation";
            textannot.Opacity                  = 1.0f;
            textannot.Subject                  = "pdftextmarkupannotation";
            textannot.ModifiedDate             = new DateTime(2015, 1, 18);
            textannot.TextMarkupAnnotationType = PdfTextMarkupAnnotationType.StrikeOut;
            textannot.TextMarkupColor          = new PdfColor(System.Drawing.Color.Yellow);
            textannot.InnerColor               = new PdfColor(System.Drawing.Color.Red);
            textannot.Color = new PdfColor(System.Drawing.Color.Yellow);
            if (flatten.IsChecked == true)
            {
                textannot.Flatten = true;
            }
            secondPage.Graphics.DrawString("TextMarkup Annotation", font, brush, new PointF(30, 40));
            secondPage.Annotations.Add(textannot);

            //Creates a new popup annotation.
            RectangleF         popupRect       = new RectangleF(430, 70, 30, 30);
            PdfPopupAnnotation popupAnnotation = new PdfPopupAnnotation();

            popupAnnotation.Border.Width            = 4;
            popupAnnotation.Border.HorizontalRadius = 20;
            popupAnnotation.Border.VerticalRadius   = 30;
            popupAnnotation.Opacity    = 1;
            popupAnnotation.Open       = true;
            popupAnnotation.Text       = "Popup Annotation";
            popupAnnotation.Color      = System.Drawing.Color.Green;
            popupAnnotation.InnerColor = System.Drawing.Color.Blue;
            popupAnnotation.Bounds     = popupRect;
            if (flatten.IsChecked == true)
            {
                popupAnnotation.FlattenPopUps = true;
                popupAnnotation.Flatten       = true;
            }
            secondPage.Graphics.DrawString("Popup Annotation", font, brush, new PointF(400, 40));
            secondPage.Annotations.Add(popupAnnotation);

            //Creates a new Line measurement annotation.
            points = new int[] { 400, 630, 550, 630 };
            PdfLineMeasurementAnnotation lineMeasureAnnot = new PdfLineMeasurementAnnotation(points);

            lineMeasureAnnot.Author                 = "Syncfusion";
            lineMeasureAnnot.Subject                = "LineAnnotation";
            lineMeasureAnnot.ModifiedDate           = new DateTime(2015, 1, 18);
            lineMeasureAnnot.Unit                   = PdfMeasurementUnit.Inch;
            lineMeasureAnnot.lineBorder.BorderWidth = 2;
            lineMeasureAnnot.Font                   = new PdfStandardFont(PdfFontFamily.Helvetica, 10f, PdfFontStyle.Regular);
            lineMeasureAnnot.Color                  = new PdfColor(System.Drawing.Color.Red);
            if (flatten.IsChecked == true)
            {
                lineMeasureAnnot.Flatten = true;
            }
            secondPage.Graphics.DrawString("Line Measurement Annotation", font, brush, new PointF(370, 130));
            secondPage.Annotations.Add(lineMeasureAnnot);

            //Creates a new Freetext annotation.
            RectangleF            freetextrect0 = new RectangleF(80, 160, 100, 50);
            PdfFreeTextAnnotation freeText0     = new PdfFreeTextAnnotation(freetextrect0);

            freeText0.MarkupText      = "Free Text with Callouts";
            freeText0.TextMarkupColor = new PdfColor(System.Drawing.Color.Green);
            freeText0.Font            = new PdfStandardFont(PdfFontFamily.Helvetica, 7f);
            freeText0.BorderColor     = new PdfColor(System.Drawing.Color.Blue);
            freeText0.Border          = new PdfAnnotationBorder(.5f);
            freeText0.AnnotationFlags = PdfAnnotationFlags.Default;
            freeText0.Text            = "Free Text";
            freeText0.Rotate          = PdfAnnotationRotateAngle.RotateAngle90;
            freeText0.Color           = new PdfColor(System.Drawing.Color.Yellow);
            PointF[] Freetextpoints0 = { new PointF(45, 220), new PointF(60, 175), new PointF(80, 175) };
            freeText0.CalloutLines = Freetextpoints0;
            secondPage.Graphics.DrawString("Rotated FreeText Annotation", font, brush, new PointF(40, 130));
            if (flatten.IsChecked == true)
            {
                freeText0.Flatten = true;
            }
            secondPage.Annotations.Add(freeText0);

            PdfRectangleAnnotation cloudannotation = new PdfRectangleAnnotation(new RectangleF(30, 300, 100, 50), "Rectangle Cloud Annoatation");

            cloudannotation.Border.BorderWidth = 1;
            cloudannotation.Color      = System.Drawing.Color.Red;
            cloudannotation.InnerColor = System.Drawing.Color.Blue;
            PdfBorderEffect bordereffect = new PdfBorderEffect();

            bordereffect.Intensity       = 2;
            bordereffect.Style           = PdfBorderEffectStyle.Cloudy;
            cloudannotation.BorderEffect = bordereffect;
            secondPage.Graphics.DrawString("Cloud Annotation", font, brush, new PointF(40, 260));
            secondPage.Annotations.Add(cloudannotation);
            if (flatten.IsChecked == false)
            {
                PdfRedactionAnnotation redactionannot = new PdfRedactionAnnotation();
                redactionannot.Bounds        = new RectangleF(350, 300, 100, 50);
                redactionannot.Text          = "Redaction Annotation";
                redactionannot.InnerColor    = System.Drawing.Color.Orange;
                redactionannot.BorderColor   = System.Drawing.Color.Red;
                redactionannot.Font          = new PdfStandardFont(PdfFontFamily.Helvetica, 13);
                redactionannot.TextColor     = System.Drawing.Color.Green;
                redactionannot.OverlayText   = "REDACTED";
                redactionannot.RepeatText    = true;
                redactionannot.TextAlignment = PdfTextAlignment.Left;
                redactionannot.SetAppearance(true);
                secondPage.Graphics.DrawString("Redaction Annotation", font, brush, new PointF(350, 260));
                secondPage.Annotations.Add(redactionannot);
            }
            //Saving the document
            MemoryStream SourceStream = new MemoryStream();

            document.Save(SourceStream);
            document.Close(true);

            //Loading and flatten the  annotation
            PdfLoadedDocument lDoc   = new PdfLoadedDocument(SourceStream);
            PdfLoadedPage     lpage1 = lDoc.Pages[0] as PdfLoadedPage;
            PdfLoadedPage     lpage2 = lDoc.Pages[1] as PdfLoadedPage;

            if (flatten.IsChecked == true)
            {
                lpage1.Annotations.Flatten = true;
                lpage2.Annotations.Flatten = true;
            }
            MemoryStream stream = new MemoryStream();
            await lDoc.SaveAsync(stream);

            lDoc.Close(true);

            Save(stream, "Sample.pdf");
        }
Exemplo n.º 3
0
        private static void CreateRedactionAnnotations(PdfFixedDocument document, PdfFont font, Stream flashStream)
        {
            PdfBrush blackBrush = new PdfBrush();

            PdfPage page = document.Pages.Add();

            page.Graphics.DrawString("Redaction annotations", font, blackBrush, 50, 50);

            PdfStandardFont helvetica = new PdfStandardFont(PdfStandardFontFace.Helvetica, 10);
            page.Graphics.DrawString(
                "Open the file with Adobe Acrobat, right click on the annotation and select \"Apply redactions\". The text under the annotation will be redacted.",
                helvetica, blackBrush, 50, 110);

            PdfFormXObject redactionAppearance = new PdfFormXObject(250, 150);
            redactionAppearance.Graphics.DrawRectangle(new PdfBrush(PdfRgbColor.LightGreen),
                0, 0, redactionAppearance.Width, redactionAppearance.Height);
            PdfStringAppearanceOptions sao = new PdfStringAppearanceOptions();
            sao.Brush = new PdfBrush(PdfRgbColor.DarkRed);
            sao.Font = new PdfStandardFont(PdfStandardFontFace.HelveticaBold, 32);
            PdfStringLayoutOptions slo = new PdfStringLayoutOptions();
            slo.Width = redactionAppearance.Width;
            slo.Height = redactionAppearance.Height;
            slo.X = 0;
            slo.Y = 0;
            slo.HorizontalAlign = PdfStringHorizontalAlign.Center;
            slo.VerticalAlign = PdfStringVerticalAlign.Middle;
            redactionAppearance.Graphics.DrawString("This content has been redacted", sao, slo);

            PdfRedactionAnnotation redactionAnnotation = new PdfRedactionAnnotation();
            page.Annotations.Add(redactionAnnotation);
            redactionAnnotation.Author = "XFINIUM.PDF";
            redactionAnnotation.BorderColor = new PdfRgbColor(192, 0, 0);
            redactionAnnotation.BorderWidth = 1;
            redactionAnnotation.OverlayAppearance = redactionAppearance;
            redactionAnnotation.VisualRectangle = new PdfVisualRectangle(50, 100, 250, 150);
        }