Class PdfCertificate
Represents the Certificate object.
Inheritance
System.Object
PdfCertificate
Namespace: Syncfusion.Pdf.Security
Assembly: Syncfusion.Pdf.NET.dll
Syntax
public class PdfCertificate : ObjectRemarks
This API is not supported in WinRT, Windows Phone, Xamarin, Universal Windows Platform and Silverlight.
Examples
// Creates a new document
PdfDocument doc = new PdfDocument();
//Creates a new page and adds it as the last page of the document
PdfPage page = doc.Pages.Add();
//Create new PDF certificate instance.
PdfCertificate pdfCert = new PdfCertificate("Pdf.pfx", "syncfusion");
//Create new PDF signature instance.
PdfSignature signature = new PdfSignature(doc, page, pdfCert, "Signature");
signature.Bounds = new RectangleF(new PointF(5, 5),new SizeF(100,200));
doc.Save("SignedPdfSample.pdf");
doc.Close(true);' Creates a new document
Dim doc As PdfDocument = New PdfDocument()
' Create a page
Dim page As PdfPage = doc.Pages.Add()
'Create new PDF certificate instance.
Dim pdfCert As PdfCertificate = New PdfCertificate("Pdf.pfx", "syncfusion")
'Create new PDF signature instance.
Dim signature As PdfSignature = New PdfSignature(doc, page, pdfCert, "Signature")
signature.Bounds = New RectangleF(New PointF(5, 5),New SizeF(100,200))
doc.Save("SignedPdfSample.pdf")
doc.Close(True)Constructors
PdfCertificate(Stream, String)
Initializes a new instance of the PdfCertificate class with the path to the pfx file and the password.
Declaration
public PdfCertificate(Stream certificate, string password)Parameters
| Type | Name | Description |
|---|---|---|
| System.IO.Stream | certificate | |
| System.String | password | The password for pfx file. |
Remarks
This constructor is not supported in WinRT and Silverlight.
Examples
// Creates a new document
PdfDocument doc = new PdfDocument();
//Creates a new page and adds it as the last page of the document
PdfPage page = doc.Pages.Add();
PdfCertificate pdfCert = new PdfCertificate(certificateStream, "123");
PdfSignature signature = new PdfSignature(doc, page, pdfCert, "Signature");
signature.Bounds = new RectangleF(new PointF(5, 5),new SizeF(100,200));
doc.Save("SignedPdfSample.pdf");
doc.Close(true);' Creates a new document
Dim doc As PdfDocument = New PdfDocument()
' Create a page
Dim page As PdfPage = doc.Pages.Add()
Dim pdfCert As PdfCertificate = New PdfCertificate(certificateStream, "123")
Dim signature As PdfSignature = New PdfSignature(doc, page, pdfCert, "Signature")
signature.Bounds = New RectangleF(New PointF(5, 5),New SizeF(100,200))
doc.Save("SignedPdfSample.pdf")
doc.Close(True)See Also
PdfCertificate(Stream, String, KeyStorageFlags)
Initializes a new instance of the PdfCertificate class with the path to the pfx file,password and storageflag
Declaration
public PdfCertificate(Stream certificate, string password, KeyStorageFlags storageFlag)Parameters
| Type | Name | Description |
|---|---|---|
| System.IO.Stream | certificate | |
| System.String | password | The password for pfx file. |
| KeyStorageFlags | storageFlag | The private key storage flag. |
Remarks
This constructor is not supported in WinRT and Silverlight.
Examples
// Creates a new document
PdfDocument doc = new PdfDocument();
//Creates a new page and adds it as the last page of the document
PdfPage page = doc.Pages.Add();
PdfCertificate pdfCert = new PdfCertificate(certificateStream, "123",KeyStorageFlags.DefaultKeySet);
PdfSignature signature = new PdfSignature(doc, page, pdfCert, "Signature");
signature.Bounds = new RectangleF(new PointF(5, 5),new SizeF(100,200));
doc.Save("SignedPdfSample.pdf");
doc.Close(true);' Creates a new document
Dim doc As PdfDocument = New PdfDocument()
' Create a page
Dim page As PdfPage = doc.Pages.Add()
Dim pdfCert As PdfCertificate = New PdfCertificate(certificateStream, "123",KeyStorageFlags.DefaultKeySet)
Dim signature As PdfSignature = New PdfSignature(doc, page, pdfCert, "Signature")
signature.Bounds = New RectangleF(New PointF(5, 5),New SizeF(100,200))
doc.Save("SignedPdfSample.pdf")
doc.Close(True)See Also
PdfCertificate(X509Certificate2)
Initialize the new instance of the PdfCertificate class.
Declaration
public PdfCertificate(X509Certificate2 x509Certificate2)Parameters
| Type | Name | Description |
|---|---|---|
| System.Security.Cryptography.X509Certificates.X509Certificate2 | x509Certificate2 | The X509 certificate. |
Examples
// Creates a new document
PdfDocument document = new PdfDocument();
//Creates a new page and adds it as the last page of the document
PdfPage page = document.Pages.Add();
//Load the x509 certificate.
X509Certificate2 cert = new X509Certificate2("certificate.pfx", "password");
//Create a new PDF certificate instance using X509Certificate2 object.
PdfCertificate pdfCert = new PdfCertificate(cert);
//Creates a signature.
PdfSignature signature = new PdfSignature(document, page, pdfCert, "Signature");
signature.Bounds = new RectangleF(new PointF(0, 0), new SizeF(100, 100));
signature.ContactInfo = "johndoe@owned.us";
signature.LocationInfo = "Honolulu, Hawaii";
signature.Reason = "I am author of this document.";
//Save the document.
document.Save("output.pdf");
//Close the document.
document.Close(true);' Creates a new document
Dim document As New PdfDocument()
'Creates a new page and adds it as the last page of the document
Dim page As PdfPage = document.Pages.Add()
'Load the x509 certificate.
Dim cert As New X509Certificate2("certificate.pfx", "password")
'Create a new PDF certificate instance using X509Certificate2 object.
Dim pdfCert As New PdfCertificate(cert)
'Creates a signature.
Dim signature As New PdfSignature(document, page, pdfCert, "Signature")
signature.Bounds = New RectangleF(New PointF(0, 0), New SizeF(100, 100))
signature.ContactInfo = "johndoe@owned.us"
signature.LocationInfo = "Honolulu, Hawaii"
signature.Reason = "I am author of this document."
'Save the document.
document.Save("output.pdf")
'Close the document.
document.Close(True)Properties
IssuerName
Gets the certificate issuer's name.[Read-Only]
Declaration
public string IssuerName { get; }Property Value
| Type | Description |
|---|---|
| System.String | The certificate issuer`s name. |
Remarks
This property is not supported in WinRT, Windows Phone, Xamarin, Universal Windows Platform and Silverlight.
Examples
PdfDocument doc = new PdfDocument();
PdfPage page = doc.Pages.Add();
PdfSolidBrush brush = new PdfSolidBrush(Color.Black);
PdfPen pen = new PdfPen(brush, 0.2f);
PdfFont font = new PdfStandardFont(PdfFontFamily.Courier, 12, PdfFontStyle.Regular);
PdfCertificate pdfCert = new PdfCertificate(@"PDF.pfx", "syncfusion");
PdfSignature signature = new PdfSignature(page, pdfCert, "Signature");
signature.Bounds = new RectangleF(new PointF(5, 5), page.Size);
signature.ContactInfo = "johndoe@owned.us";
signature.LocationInfo = "Honolulu, Hawaii";
signature.Reason = "I am author of this document.";
PdfGraphics g = signature.Appearence.Normal.Graphics;
string validto = "Issuer Name: " + signature.Certificate.IssuerName.ToString()
string validfrom = "Valid From: " + signature.Certificate.ValidFrom.ToString();
doc.Pages[0].Graphics.DrawString(validfrom, font, pen, brush, 0, 90);
doc.Pages[0].Graphics.DrawString(validto, font, pen, brush, 0, 110);
doc.Pages[0].Graphics.DrawString(" Protected Document. Digitally signed Document.", font, pen, brush, 0, 130);
doc.Pages[0].Graphics.DrawString("* To validate Signature click on the signature on this page \n * To check Document Status \n click document status icon on the bottom left of the acrobat reader.", font, pen, brush, 0, 150);
// Save the PDF file.
doc.Save("Sample.pdf");
doc.Close(true);Dim doc As PdfDocument = New PdfDocument()
Dim page As PdfPage = doc.Pages.Add()
Dim brush As PdfSolidBrush = New PdfSolidBrush(Color.Black)
Dim pen As PdfPen = New PdfPen(brush, 0.2f)
Dim font As PdfFont = New PdfStandardFont(PdfFontFamily.Courier, 12, PdfFontStyle.Regular)
Dim pdfCert As PdfCertificate = New PdfCertificate("PDF.pfx", "syncfusion")
Dim signature As PdfSignature = New PdfSignature(page, pdfCert, "Signature")
signature.Bounds = New RectangleF(New PointF(5, 5), page.Size)
signature.ContactInfo = "johndoe@owned.us"
signature.LocationInfo = "Honolulu, Hawaii"
signature.Reason = "I am author of this document."
Dim g As PdfGraphics = signature.Appearence.Normal.Graphics
Dim validto As String = "Issuer Name: " + signature.Certificate.IssuerName.ToString()
Dim validfrom As String = "Valid From: " + signature.Certificate.ValidFrom.ToString()
doc.Pages(0).Graphics.DrawString(validfrom, font, pen, brush, 0, 90)
doc.Pages(0).Graphics.DrawString(validto, font, pen, brush, 0, 110)
' Save the PDF file.
doc.Save("Sample.pdf")
doc.Close(True)See Also
SerialNumber
Gets the serial number of a certificate.[Read-Only]
Declaration
public byte[] SerialNumber { get; }Property Value
| Type | Description |
|---|---|
| System.Byte[] | The serial number of the certificate. |
Remarks
This property is not supported in WinRT, Windows Phone, Xamarin, Universal Windows Platform and Silverlight.
Examples
// Creates a new document
PdfDocument document = new PdfDocument();
//Creates a new page and adds it as the last page of the document
PdfPage page = document.Pages.Add();
//Load an existing PDF certificate.
PdfCertificate certificate = new PdfCertificate("certificate.Pfx", "password");
//Get the serial number of the certificate.
byte[] data = certificate.SerialNumber;
//Get the store certificate.
PdfCertificate storeCertificate = PdfCertificate.FindBySerialId(StoreType.MY, data);
//Creates a digital signature.
PdfSignature signature = new PdfSignature(document, page, storeCertificate, "Signature");
signature.Bounds = new RectangleF(new PointF(0, 0), new SizeF(100, 100));
signature.ContactInfo = "johndoe@owned.us";
signature.LocationInfo = "Honolulu, Hawaii";
signature.Reason = "I am author of this document.";
//Save the document.
document.Save("output.pdf");
//Close the document.
document.Close(true);' Creates a new document
Dim document As New PdfDocument()
'Creates a new page and adds it as the last page of the document
Dim page As PdfPage = document.Pages.Add()
'Load an existing PDF certificate.
Dim certificate As New PdfCertificate("certificate.Pfx", "password")
'Get the serial number of the certificate.
Dim data As Byte() = certificate.SerialNumber
'Get the store certificate.
Dim storeCertificate As PdfCertificate = PdfCertificate.FindBySerialId(StoreType.MY, data)
'Creates a digital signature.
Dim signature As New PdfSignature(document, page, storeCertificate, "Signature")
signature.Bounds = New RectangleF(New PointF(0, 0), New SizeF(100, 100))
signature.ContactInfo = "johndoe@owned.us"
signature.LocationInfo = "Honolulu, Hawaii"
signature.Reason = "I am author of this document."
'Save the document.
document.Save("output.pdf")
'Close the document.
document.Close(True)SubjectName
Gets the certificate subject's name.[Read-Only]
Declaration
public string SubjectName { get; }Property Value
| Type |
|---|
| System.String |
Remarks
This property is not supported in WinRT, Windows Phone, Xamarin, Universal Windows Platform and Silverlight.
Examples
PdfDocument doc = new PdfDocument();
PdfPage page = doc.Pages.Add();
PdfSolidBrush brush = new PdfSolidBrush(Color.Black);
PdfPen pen = new PdfPen(brush, 0.2f);
PdfFont font = new PdfStandardFont(PdfFontFamily.Courier, 12, PdfFontStyle.Regular);
PdfCertificate pdfCert = new PdfCertificate(@"PDF.pfx", "syncfusion");
PdfSignature signature = new PdfSignature(page, pdfCert, "Signature");
signature.Bounds = new RectangleF(new PointF(5, 5), page.Size);
signature.ContactInfo = "johndoe@owned.us";
signature.LocationInfo = "Honolulu, Hawaii";
signature.Reason = "I am author of this document.";
PdfGraphics g = signature.Appearence.Normal.Graphics;
string validto = "Issuer Name: " + signature.Certificate.IssuerName.ToString()
string validfrom = "Valid From: " + signature.Certificate.ValidFrom.ToString();
doc.Pages[0].Graphics.DrawString(validfrom, font, pen, brush, 0, 90);
doc.Pages[0].Graphics.DrawString(validto, font, pen, brush, 0, 110);
doc.Pages[0].Graphics.DrawString(" Protected Document. Digitally signed Document.", font, pen, brush, 0, 130);
doc.Pages[0].Graphics.DrawString("* To validate Signature click on the signature on this page \n * To check Document Status \n click document status icon on the bottom left of the acrobat reader.", font, pen, brush, 0, 150);
// Save the PDF file.
doc.Save("Sample.pdf");
doc.Close(true);Dim doc As PdfDocument = New PdfDocument()
Dim page As PdfPage = doc.Pages.Add()
Dim brush As PdfSolidBrush = New PdfSolidBrush(Color.Black)
Dim pen As PdfPen = New PdfPen(brush, 0.2f)
Dim font As PdfFont = New PdfStandardFont(PdfFontFamily.Courier, 12, PdfFontStyle.Regular)
Dim pdfCert As PdfCertificate = New PdfCertificate("PDF.pfx", "syncfusion")
Dim signature As PdfSignature = New PdfSignature(page, pdfCert, "Signature")
signature.Bounds = New RectangleF(New PointF(5, 5), page.Size)
signature.ContactInfo = "johndoe@owned.us"
signature.LocationInfo = "Honolulu, Hawaii"
signature.Reason = "I am author of this document."
Dim g As PdfGraphics = signature.Appearence.Normal.Graphics
Dim validto As String = "Subject Name: " + signature.Certificate.SubjectName.ToString()
Dim validfrom As String = "Valid From: " + signature.Certificate.ValidFrom.ToString()
doc.Pages(0).Graphics.DrawString(validfrom, font, pen, brush, 0, 90)
doc.Pages(0).Graphics.DrawString(validto, font, pen, brush, 0, 110)
' Save the PDF file.
doc.Save("Sample.pdf")
doc.Close(True)See Also
ValidFrom
Gets the date and time after which the certificate is not valid.[Read-Only]
Declaration
public DateTime ValidFrom { get; }Property Value
| Type |
|---|
| System.DateTime |
Remarks
This property is not supported in WinRT, Windows Phone, Xamarin, Universal Windows Platform and Silverlight.
Examples
PdfDocument doc = new PdfDocument();
PdfPage page = doc.Pages.Add();
PdfSolidBrush brush = new PdfSolidBrush(Color.Black);
PdfPen pen = new PdfPen(brush, 0.2f);
PdfFont font = new PdfStandardFont(PdfFontFamily.Courier, 12, PdfFontStyle.Regular);
PdfCertificate pdfCert = new PdfCertificate(@"PDF.pfx", "syncfusion");
PdfSignature signature = new PdfSignature(page, pdfCert, "Signature");
signature.Bounds = new RectangleF(new PointF(5, 5), page.Size);
signature.ContactInfo = "johndoe@owned.us";
signature.LocationInfo = "Honolulu, Hawaii";
signature.Reason = "I am author of this document.";
PdfGraphics g = signature.Appearence.Normal.Graphics;
string validto = "Version To: " + signature.Certificate.ValidTo.ToString()
string validfrom = "Valid From: " + signature.Certificate.ValidFrom.ToString();
doc.Pages[0].Graphics.DrawString(validfrom, font, pen, brush, 0, 90);
doc.Pages[0].Graphics.DrawString(validto, font, pen, brush, 0, 110);
doc.Pages[0].Graphics.DrawString(" Protected Document. Digitally signed Document.", font, pen, brush, 0, 130);
doc.Pages[0].Graphics.DrawString("* To validate Signature click on the signature on this page \n * To check Document Status \n click document status icon on the bottom left of the acrobat reader.", font, pen, brush, 0, 150);
// Save the PDF file.
doc.Save("Sample.pdf");
doc.Close(true);Dim doc As PdfDocument = New PdfDocument()
Dim page As PdfPage = doc.Pages.Add()
Dim brush As PdfSolidBrush = New PdfSolidBrush(Color.Black)
Dim pen As PdfPen = New PdfPen(brush, 0.2f)
Dim font As PdfFont = New PdfStandardFont(PdfFontFamily.Courier, 12, PdfFontStyle.Regular)
Dim pdfCert As PdfCertificate = New PdfCertificate("PDF.pfx", "syncfusion")
Dim signature As PdfSignature = New PdfSignature(page, pdfCert, "Signature")
signature.Bounds = New RectangleF(New PointF(5, 5), page.Size)
signature.ContactInfo = "johndoe@owned.us"
signature.LocationInfo = "Honolulu, Hawaii"
signature.Reason = "I am author of this document."
Dim g As PdfGraphics = signature.Appearence.Normal.Graphics
Dim validto As String = "Version To: " + signature.Certificate.ValidTo.ToString()
Dim validfrom As String = "Valid From: " + signature.Certificate.ValidFrom.ToString()
doc.Pages(0).Graphics.DrawString(validfrom, font, pen, brush, 0, 90)
doc.Pages(0).Graphics.DrawString(validto, font, pen, brush, 0, 110)
doc.Pages(0).Graphics.DrawString(" Protected Document. Digitally signed Document.", font, pen, brush, 0, 130)
doc.Pages(0).Graphics.DrawString("* To validate Signature click on the signature on this page " + Constants.vbLf + " * To check Document Status " + Constants.vbLf + " click document status icon on the bottom left of the acrobat reader.", font, pen, brush, 0, 150)
' Save the PDF file.
doc.Save("Sample.pdf")
doc.Close(True)See Also
ValidTo
Gets the date and time before which the certificate is not valid.[Read-Only]
Declaration
public DateTime ValidTo { get; }Property Value
| Type |
|---|
| System.DateTime |
Remarks
This property is not supported in WinRT, Windows Phone, Xamarin, Universal Windows Platform and Silverlight.
Examples
PdfDocument doc = new PdfDocument();
PdfPage page = doc.Pages.Add();
PdfSolidBrush brush = new PdfSolidBrush(Color.Black);
PdfPen pen = new PdfPen(brush, 0.2f);
PdfFont font = new PdfStandardFont(PdfFontFamily.Courier, 12, PdfFontStyle.Regular);
PdfCertificate pdfCert = new PdfCertificate(@"PDF.pfx", "syncfusion");
PdfSignature signature = new PdfSignature(page, pdfCert, "Signature");
signature.Bounds = new RectangleF(new PointF(5, 5), page.Size);
signature.ContactInfo = "johndoe@owned.us";
signature.LocationInfo = "Honolulu, Hawaii";
signature.Reason = "I am author of this document.";
PdfGraphics g = signature.Appearence.Normal.Graphics;
string validto = "Version To: " + signature.Certificate.ValidTo.ToString()
string validfrom = "Valid From: " + signature.Certificate.ValidFrom.ToString();
doc.Pages[0].Graphics.DrawString(validfrom, font, pen, brush, 0, 90);
doc.Pages[0].Graphics.DrawString(validto, font, pen, brush, 0, 110);
doc.Pages[0].Graphics.DrawString(" Protected Document. Digitally signed Document.", font, pen, brush, 0, 130);
doc.Pages[0].Graphics.DrawString("* To validate Signature click on the signature on this page \n * To check Document Status \n click document status icon on the bottom left of the acrobat reader.", font, pen, brush, 0, 150);
// Save the PDF file.
doc.Save("Sample.pdf");
doc.Close(true);Dim doc As PdfDocument = New PdfDocument()
Dim page As PdfPage = doc.Pages.Add()
Dim brush As PdfSolidBrush = New PdfSolidBrush(Color.Black)
Dim pen As PdfPen = New PdfPen(brush, 0.2f)
Dim font As PdfFont = New PdfStandardFont(PdfFontFamily.Courier, 12, PdfFontStyle.Regular)
Dim pdfCert As PdfCertificate = New PdfCertificate("PDF.pfx", "syncfusion")
Dim signature As PdfSignature = New PdfSignature(page, pdfCert, "Signature")
signature.Bounds = New RectangleF(New PointF(5, 5), page.Size)
signature.ContactInfo = "johndoe@owned.us"
signature.LocationInfo = "Honolulu, Hawaii"
signature.Reason = "I am author of this document."
Dim g As PdfGraphics = signature.Appearence.Normal.Graphics
Dim validto As String = "Version To: " + signature.Certificate.ValidTo.ToString()
Dim validfrom As String = "Valid From: " + signature.Certificate.ValidFrom.ToString()
doc.Pages(0).Graphics.DrawString(validfrom, font, pen, brush, 0, 90)
doc.Pages(0).Graphics.DrawString(validto, font, pen, brush, 0, 110)
doc.Pages(0).Graphics.DrawString(" Protected Document. Digitally signed Document.", font, pen, brush, 0, 130)
doc.Pages(0).Graphics.DrawString("* To validate Signature click on the signature on this page " + Constants.vbLf + " * To check Document Status " + Constants.vbLf + " click document status icon on the bottom left of the acrobat reader.", font, pen, brush, 0, 150)
' Save the PDF file.
doc.Save("Sample.pdf")
doc.Close(True)See Also
Version
Gets the certificate's version number.[Read-Only]
Declaration
public int Version { get; }Property Value
| Type |
|---|
| System.Int32 |
Remarks
This property is not supported in WinRT, Windows Phone, Xamarin, Universal Windows Platform and Silverlight.
Examples
PdfDocument doc = new PdfDocument();
PdfPage page = doc.Pages.Add();
PdfSolidBrush brush = new PdfSolidBrush(Color.Black);
PdfPen pen = new PdfPen(brush, 0.2f);
PdfFont font = new PdfStandardFont(PdfFontFamily.Courier, 12, PdfFontStyle.Regular);
PdfCertificate pdfCert = new PdfCertificate(@"PDF.pfx", "syncfusion");
PdfSignature signature = new PdfSignature(page, pdfCert, "Signature");
signature.Bounds = new RectangleF(new PointF(5, 5), page.Size);
signature.ContactInfo = "johndoe@owned.us";
signature.LocationInfo = "Honolulu, Hawaii";
signature.Reason = "I am author of this document.";
PdfGraphics g = signature.Appearence.Normal.Graphics;
string validto = "Version: " + signature.Certificate.Version.ToString();
string validfrom = "Valid From: " + signature.Certificate.ValidFrom.ToString();
doc.Pages[0].Graphics.DrawString(validfrom, font, pen, brush, 0, 90);
doc.Pages[0].Graphics.DrawString(validto, font, pen, brush, 0, 110);
doc.Pages[0].Graphics.DrawString(" Protected Document. Digitally signed Document.", font, pen, brush, 0, 130);
doc.Pages[0].Graphics.DrawString("* To validate Signature click on the signature on this page \n * To check Document Status \n click document status icon on the bottom left of the acrobat reader.", font, pen, brush, 0, 150);
// Save the PDF file.
doc.Save("Sample.pdf");
doc.Close(true);Dim doc As PdfDocument = New PdfDocument()
Dim page As PdfPage = doc.Pages.Add()
Dim brush As PdfSolidBrush = New PdfSolidBrush(Color.Black)
Dim pen As PdfPen = New PdfPen(brush, 0.2f)
Dim font As PdfFont = New PdfStandardFont(PdfFontFamily.Courier, 12, PdfFontStyle.Regular)
Dim pdfCert As PdfCertificate = New PdfCertificate("PDF.pfx", "syncfusion")
Dim signature As PdfSignature = New PdfSignature(page, pdfCert, "Signature")
signature.Bounds = New RectangleF(New PointF(5, 5), page.Size)
signature.ContactInfo = "johndoe@owned.us"
signature.LocationInfo = "Honolulu, Hawaii"
signature.Reason = "I am author of this document."
Dim g As PdfGraphics = signature.Appearence.Normal.Graphics
Dim validto As String = "Version: " + signature.Certificate.Version.ToString()
Dim validfrom As String = "Valid From: " + signature.Certificate.ValidFrom.ToString()
doc.Pages(0).Graphics.DrawString(validfrom, font, pen, brush, 0, 90)
doc.Pages(0).Graphics.DrawString(validto, font, pen, brush, 0, 110)
doc.Pages(0).Graphics.DrawString(" Protected Document. Digitally signed Document.", font, pen, brush, 0, 130)
doc.Pages(0).Graphics.DrawString("* To validate Signature click on the signature on this page" + vbCrLf + " * To check Document Status" + vbCrLf + " click document status icon on the bottom left of the acrobat reader.", font, pen, brush, 0, 150)
' Save the PDF file.
doc.Save("Sample.pdf")
doc.Close(True)