officefileapi-devexpress-dot-pdf-dot-pdfsignaturebuilder-4470a1a3.md
Specifies the signature certification level.
Namespace : DevExpress.Pdf
Assembly : DevExpress.Pdf.v25.2.Core.dll
NuGet Package : DevExpress.Pdf.Core
public PdfCertificationLevel CertificationLevel { get; set; }
Public Property CertificationLevel As PdfCertificationLevel
| 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.
|
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.
See Also