PdfSignatureField Class

Represents signature field in the PDF Form.

Inheritance
System.Object
PdfField
PdfSignatureStyledField
PdfSignatureAppearanceField
PdfSignatureField
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 PdfSignatureField : PdfSignatureAppearanceField, IPdfWrapper, INotifyPropertyChanged
Remarks

Please refer the UG docuemntation link https://help.syncfusion.com/file-formats/pdf/working-with-digitalsignature#signing-an-existing-document for more details about signature field.

Examples
//Create a new PDf document
PdfDocument document = new PdfDocument();           
//Creates a new page and adds it as the last page of the document
PdfPage page = document.Pages.Add();
//Create signature field
PdfSignatureField sign = new PdfSignatureField(page, "sign1");
sign.Bounds = new RectangleF(100, 420, 100, 50);
document.Form.Fields.Add(sign);           
document.Save("Form.pdf");
document.Close(true);
'Create a new PDf document
Dim document As PdfDocument = New PdfDocument()
'Create a page
Dim page As PdfPage = document.Pages.Add()
'Create signature field
Dim sign As PdfSignatureField = New PdfSignatureField(page, "sign1")
sign.Bounds = New RectangleF(100, 420, 100, 50)
document.Form.Fields.Add(sign)
document.Save("Form.pdf")
document.Close(True)

Constructors

PdfSignatureField(PdfPageBase, String)

Initializes a new instance of the PdfSignatureField class with the specific page and name.

Declaration
public PdfSignatureField(PdfPageBase page, string name)
Parameters
Type Name Description
PdfPageBase page

Page which the field to be placed on.
System.String name

The name of the field.
Examples
//Create a new PDf document
PdfDocument document = new PdfDocument();           
//Creates a new page and adds it as the last page of the document
PdfPage page = document.Pages.Add();
//Create signature field
PdfSignatureField sign = new PdfSignatureField(page, "sign1");
sign.Bounds = new RectangleF(100, 420, 100, 50);
document.Form.Fields.Add(sign);           
document.Save("Form.pdf");
'Create a new PDf document
Dim document As PdfDocument = New PdfDocument()
'Create a page
Dim page As PdfPage = document.Pages.Add()
'Create signature field
Dim sign As PdfSignatureField = New PdfSignatureField(page, "sign1")
sign.Bounds = New RectangleF(100, 420, 100, 50)
document.Form.Fields.Add(sign)
document.Save("Form.pdf")
See Also

Properties

Appearance

Gets the visual appearance of this field.[Read-Only]

Declaration
public PdfAppearance Appearance { get; }
Property Value
Type
PdfAppearance
Examples
//Create a new PDf document
PdfDocument document = new PdfDocument();           
//Creates a new page and adds it as the last page of the document
PdfPage page = document.Pages.Add();
//Create signature field
PdfSignatureField sign = new PdfSignatureField(page, "sign1");
sign.Bounds = new RectangleF(100, 420, 100, 50);
// Gets the signature appearance
PdfAppearance appearance = sign.Appearance;  
document.Form.Fields.Add(sign);           
document.Save("Form.pdf");
'Create a new PDf document
Dim document As PdfDocument = New PdfDocument()
'Create a page
Dim page As PdfPage = document.Pages.Add()
'Create signature field
Dim sign As PdfSignatureField = New PdfSignatureField(page, "sign1")
' Gets the signature appearance
Dim appearance As PdfAppearance = sign.Appearance
sign.Bounds = New RectangleF(100, 420, 100, 50)
document.Form.Fields.Add(sign)
document.Save("Form.pdf")
See Also

Signature

Gets or sets the digital signature for signing the field.

Declaration
public PdfSignature Signature { get; set; }
Property Value
Type
PdfSignature
Examples
//Create a new PDf document
PdfDocument document = new PdfDocument();           
//Creates a new page and adds it as the last page of the document
PdfPage page = document.Pages.Add();
//Create signature field
PdfSignatureField sign = new PdfSignatureField(page, "sign1");
sign.Signature = new PdfSignature(page, new PdfCertificate("PDF.pfx", "Syncfusion"), "Signature");
sign.Bounds = new RectangleF(100, 420, 100, 50);
// Gets the signature appearance
PdfAppearance appearance = sign.Appearance;  
document.Form.Fields.Add(sign);           
document.Save("Form.pdf");
'Create a new PDf document
Dim document As PdfDocument = New PdfDocument()
'Create a page
Dim page As PdfPage = document.Pages.Add()
'Create signature field
Dim sign As PdfSignatureField = New PdfSignatureField(page, "sign1")
sign.Signature = New PdfSignature(page, New PdfCertificate("PDF.pfx", "Syncfusion"), "Signature")
sign.Bounds = New RectangleF(100, 420, 100, 50)
document.Form.Fields.Add(sign)
document.Save("Form.pdf")
See Also

Methods

DrawAppearance(PdfTemplate)

Draws the appearance.

Declaration
protected override void DrawAppearance(PdfTemplate template)
Parameters
Type Name Description
PdfTemplate template

The template.
Overrides

Initialize()

Initializes an instance.

Declaration
protected override void Initialize()
Overrides

Implements

System.ComponentModel.INotifyPropertyChanged

See Also