Class PdfLoadedSignatureField

Represents the signature field of an existing PDF document.

Inheritance
System.Object
PdfField
PdfLoadedField
PdfLoadedStyledField
PdfLoadedSignatureField
Implements
System.ComponentModel.INotifyPropertyChanged
Inherited Members
Namespace: Syncfusion.Pdf.Parsing
Assembly: Syncfusion.Pdf.Portable.dll
Syntax
public class PdfLoadedSignatureField : PdfLoadedStyledField, IPdfWrapper, INotifyPropertyChanged
Examples
//Load an existing document
PdfLoadedDocument doc = new PdfLoadedDocument("SourceForm.pdf");
// Gets the signature field         
PdfLoadedSignatureField signatureField = doc.Form.Fields["ManagerSignature"] as PdfLoadedSignatureField;
signatureField.Flatten = true;            
doc.Save("LoadedForm.pdf");
doc.Close(true);
 'Load an existing document
Dim doc As PdfLoadedDocument = New PdfLoadedDocument("SourceForm.pdf")
 ' Gets the signature field         
 Dim signatureField As PdfLoadedSignatureField = TryCast(doc.Form.Fields("ManagerSignature"), PdfLoadedSignatureField)
 signatureField.Flatten = True
 doc.Save("LoadedForm.pdf")
 doc.Close(True)

Properties

IsSigned

Checks whether the signature field is signed or not

Declaration
public bool IsSigned { get; }
Property Value
Type Description
System.Boolean

A boolean value specifying the digital signature field have signature data or not.
Examples
//Load an existing document
PdfLoadedDocument doc = new PdfLoadedDocument("SourceForm.pdf");
// Read the first page
PdfPageBase page = doc.Pages[0];
// Gets the signature field                     
PdfLoadedSignatureField signatureField = doc.Form.Fields["ManagerSignature"] as PdfLoadedSignatureField;
// Checks whether the signature field is signed or not
bool isSigned = signatureField.IsSigned;
doc.Close(true);
'Load an existing document
Dim doc As PdfLoadedDocument = New PdfLoadedDocument("SourceForm.pdf")
' Read the first page
Dim page As PdfPageBase = doc.Pages(0)
' Gets the signature field                     
Dim signatureField As PdfLoadedSignatureField = TryCast(doc.Form.Fields("ManagerSignature"), PdfLoadedSignatureField)
' Checks whether the signature field is signed or not
Dim isSigned As Boolean = signatureField.IsSigned
doc.Close(True)
See Also

Items

Gets the collection of signature items.[Read-Only]

Declaration
public PdfLoadedSignatureItemCollection Items { get; }
Property Value
Type Description
PdfLoadedSignatureItemCollection
Examples
//Load an existing document
PdfLoadedDocument doc = new PdfLoadedDocument("SourceForm.pdf");
// Read the signature field
PdfLoadedSignatureField signatureField = doc.Form.Fields[0] as PdfLoadedSignatureField;
// Signature Item collection
PdfLoadedSignatureItemCollection signatureFieldCollection = signatureField.Items;
// Read the signature Item
PdfLoadedSignatureItem signatureFieldItem = signatureFieldCollection[0] as PdfLoadedSignatureItem;
doc.Save("Form.pdf");
doc.Close(true);
'Load an existing document
Dim doc As PdfLoadedDocument = New PdfLoadedDocument("SourceForm.pdf")
' Read the signature field
Dim signatureField As PdfLoadedSignatureField = TryCast(doc.Form.Fields(0), PdfLoadedSignatureField)
' Signature Item collection
Dim signatureFieldCollection As PdfLoadedSignatureItemCollection = signatureField.Items
Dim signatureFieldItem As PdfLoadedSignatureItem = TryCast(signatureFieldCollection(0), PdfLoadedSignatureItem)
doc.Save("Form.pdf")
doc.Close(True)
See Also

Signature

Gets or sets the digital signature for signing the field.

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

A PdfSignature object specifying the digital signature for signing the field.
Examples
//Load an existing document
PdfLoadedDocument doc = new PdfLoadedDocument("SourceForm.pdf");
// Read the first page
PdfPageBase page = doc.Pages[0];
// Gets the signature field                     
PdfLoadedSignatureField signatureField = doc.Form.Fields["ManagerSignature"] as PdfLoadedSignatureField;
// Create a new Signature
PdfCertificate pdfCert = new PdfCertificate("Pdf.pfx", "123");
PdfSignature signature = new PdfSignature(doc, page, pdfCert, "Signature");
signature.Bounds = new RectangleF(new PointF(5, 5), new SizeF(100, 200));   
// Set the signature of the field
signatureField.Signature = signature;
doc.Save("Form.pdf");
doc.Close(true);
'Load an existing document
Dim doc As PdfLoadedDocument = New PdfLoadedDocument("SourceForm.pdf")
' Read the first page
Dim page As PdfPageBase = doc.Pages(0)
' Gets the signature field                     
Dim signatureField As PdfLoadedSignatureField = TryCast(doc.Form.Fields("ManagerSignature"), PdfLoadedSignatureField)
' Create a new Signature
Dim pdfCert As PdfCertificate = New PdfCertificate("Pdf.pfx", "123")
Dim signature As PdfSignature = New PdfSignature(doc, page, pdfCert, "Signature")
signature.Bounds = New RectangleF(New PointF(5, 5), New SizeF(100, 200))
' Set the signature of the field
signatureField.Signature = signature
doc.Save("Form.pdf")
doc.Close(True)
See Also

Implements

System.ComponentModel.INotifyPropertyChanged

See Also