Class SignatureField

A digital signature form field. Create it with AddSignature(). Call Sign(Signer) to attach a signer so the document will be signed on next save.

Inheritance
object
SignatureField
Inherited Members
Namespace: DRIT.Pdf.Forms
Assembly: DRIT.Pdf.dll
Syntax
public sealed class SignatureField

Properties

Appearance

Appearance options for the visible widget.

Declaration
public SignatureAppearance Appearance { get; }
Property Value
Type Description
SignatureAppearance

LockedFields

Locked field workflow settings written with this signature.

Declaration
public SignatureLockedFieldOptions LockedFields { get; }
Property Value
Type Description
SignatureLockedFieldOptions

Name

PDF field name (written to /T). Default is "Signature".

Declaration
public string Name { get; set; }
Property Value
Type Description
string

Page

Page on which the visible widget is rendered, or null for invisible.

Declaration
public Page? Page { get; }
Property Value
Type Description
Page

Rect

Widget bounding box in default user space units.

Declaration
public PdfRect Rect { get; }
Property Value
Type Description
PdfRect

Value

Current signature value. For loaded signed documents this contains parsed signature metadata. Assign null to clear an existing signature.

Declaration
public Signature? Value { get; set; }
Property Value
Type Description
Signature

Methods

SetLockedFields(params FormField[])

Locks the specified form fields when this signature is applied.

Declaration
public void SetLockedFields(params FormField[] fields)
Parameters
Type Name Description
FormField[] fields

Sign(Signer)

Attaches signer so that when the document is next saved a digital signature is computed and embedded.

Declaration
public void Sign(Signer signer)
Parameters
Type Name Description
Signer signer

Timestamp(Timestamper)

Initiates timestamp-only signing using a timestamper abstraction.

Declaration
public void Timestamp(Timestamper timestamper)
Parameters
Type Name Description
Timestamper timestamper