SignerAdd |
Add an unsigned signature field
Add an unsigned signature field that can later be signed (see UnsignedSignatureField).
Non-critical processing errors raise a Warning. It is recommended to review the WarningCategory and handle them if necessary for the application.
public Document AddSignatureField( Document document, SignatureFieldOptions options, Stream stream, OutputOptions outputOptions = null )
Exception | Condition |
---|---|
LicenseException | The license check has failed. |
IOException | Writing to the stream failed. |
UnsupportedFeatureException | The input PDF contains unrendered XFA form fields. See Xfa for more information on how to detect and handle XFA documents. |
ExistsException | The FieldName exists already in the input document. |
ArgumentNullException | if document is . |
ArgumentNullException | if options is . |
ArgumentNullException | if stream is . |