Signature |
The name of the existing signature field
The FieldName of an existing, unsigned signature field to sign. Note that when an existing signature field is signed, the appearance's position is defined by the existing field. Therefore, make sure the Appearance fits into the BoundingBox.
If a new signature field is created using a unique field name.
Default:
Exception | Condition |
---|---|
InvalidOperationException | If the creating provider has already been closed |