PdfSignatureBuilder.CertificationLevel Property
Specifies the signature certification level.
Namespace: DevExpress.Pdf
Assembly: DevExpress.Pdf.v25.1.Core.dll
NuGet Package: DevExpress.Pdf.Core
Declaration
Property Value
| Type | Description |
|---|---|
| PdfCertificationLevel | One of the enumeration values specifying the certification level. |
Available values:
| Name | Description |
|---|---|
| NoCertification | All changes are allowed. |
| NoChangesAllowed | No changes are allowed. |
| FillForms | Allows users to fill in forms and sign the document. |
| FillFormsAndAnnotate | Allows users to fill in forms, create, modify and delete annotations, and sign the document. |
Remarks
Use this property to define the changes available to users when the signature is applied. If a user makes a restricted change, the signature becomes invalid.
Users can add document timestamps regardless of the CertificationLevel property value.
Note
Only one signature in a PDF file can have the certification level. Subsequent certification signatures become invalid.