PDFUnderlineAnnotation Class

Visual Basic
C#
WinRT C#
WinRT JavaScript
C++

[SerializableAttribute()]
public class PDFUnderlineAnnotation : PDFAnnotation

'Declaration
 
<SerializableAttribute()>
Public Class PDFUnderlineAnnotation 
   Inherits PDFAnnotation

'Usage
 
Dim instance As PDFUnderlineAnnotation

public sealed class PDFUnderlineAnnotation : PDFAnnotation

function Leadtools.Pdf.PDFUnderlineAnnotation()

[SerializableAttribute()]
public ref class PDFUnderlineAnnotation : public PDFAnnotation

The PDFUnderlineAnnotation class contains information of one or more PDF underline annotations.

Visual Basic
C#
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Public Sub PDFUnderlineAnnotationExample()
      Dim pdfSrcFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "LEAD.pdf")
      Dim pdfDestFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "LEAD_Annotations.pdf")

      Dim pdfFile As PDFFile = New PDFFile(pdfSrcFileName)
      Dim Annotations As List(Of PDFAnnotation) = New List(Of PDFAnnotation)()
      Dim underline As PDFUnderlineAnnotation = New PDFUnderlineAnnotation()

      ' Add underline points
      underline.Points.Add(New PDFPoint(100, 100))
      underline.Points.Add(New PDFPoint(100, 200))
      underline.Points.Add(New PDFPoint(200, 200))
      underline.Points.Add(New PDFPoint(200, 100))

      underline.Color = RasterColor.FromKnownColor(RasterKnownColor.Black)
      Annotations.Add(underline)

      pdfFile.WriteAnnotations(Annotations, pdfDestFileName)
   End Sub


Public NotInheritable Class LEAD_VARS
   Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class

public void PDFUnderlineAnnotationExample()
   {
      string pdfSrcFileName = Path.Combine(LEAD_VARS.ImagesDir, @"LEAD.pdf");
      string pdfDestFileName = Path.Combine(LEAD_VARS.ImagesDir, @"LEAD_Annotations.pdf");

      PDFFile pdfFile = new PDFFile(pdfSrcFileName);
      List<PDFAnnotation> Annotations = new List<PDFAnnotation>();
      PDFUnderlineAnnotation underline = new PDFUnderlineAnnotation();

      // Add underline points
      underline.Points.Add(new PDFPoint(100, 100));
      underline.Points.Add(new PDFPoint(100, 200));
      underline.Points.Add(new PDFPoint(200, 200));
      underline.Points.Add(new PDFPoint(200, 100));

      underline.Color = RasterColor.FromKnownColor(RasterKnownColor.Black);
      Annotations.Add(underline);

      pdfFile.WriteAnnotations(Annotations, pdfDestFileName);
   }


static class LEAD_VARS
{
   public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

PDFUnderlineAnnotation Members
Leadtools.Pdf Namespace