Timestamp |
The name of the existing signature field
The FieldName of an existing, unsigned signature field to time-stamp. Note that when an existing signature field is used, 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 |