Class PdfStreamSigner

Applies a digital signature to an existing PDF using incremental update, avoiding a full file rewrite.

Inheritance
System.Object
PdfStreamSigner
Inherited Members
System.Object.ToString()
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
Namespace: Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Streaming
Assembly: Telerik.Windows.Documents.Fixed.dll

Syntax

public class PdfStreamSigner

Constructors

PdfStreamSigner(Stream)

Creates a signer that writes the signed PDF to the specified outputStream.

Declaration
public PdfStreamSigner(Stream outputStream)
Parameters
System.IO.Stream outputStream

The output stream where the signed document will be written.

Methods

SignDocument(Stream, SignatureField, Int32, Nullable<TimeSpan>)

Signs the PDF from originalStream, places signatureField on pageIndex, and writes the signed result to the configured output stream.

Declaration
public void SignDocument(Stream originalStream, SignatureField signatureField, int pageIndex, TimeSpan? timeout)
Parameters
System.IO.Stream originalStream

The original PDF document stream.
SignatureField signatureField

The signature field to be added to the document.
System.Int32 pageIndex

The index of the page where the signature will be added.
System.Nullable<System.TimeSpan> timeout

The timeout for the operation.
Exceptions
System.InvalidOperationException

Thrown when the signature field contains no widgets or more than one widget, as it must contain exactly one widget for proper signing.
System.ArgumentOutOfRangeException

Thrown when the page index is out of range.

Extension Methods