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# SignedDataBlock Object

Represents a set of signed data in a Microsoft Office InfoPath 2003 form. The SignedDataBlock object provides a number of properties and one method that can be used to programmatically interact with a set of signed data.

## Remarks

Note This object model member is not supported when the Disable Service Pack features option on the Advanced tab of the Options dialog box in InfoPath is selected or when Microsoft Office 2003 Service Pack 1 or later is not installed. Any form that implements this object model member in its code will generate an error message if it is opened in InfoPath when service pack features are disabled or unavailable.

## Using the SignedDataBlock object

The SignedDataBlock object contains the following read-only properties:

Property | Description
--- | ---
XPath | Returns the XPath expression of the set of signed data represented by theSignedDataBlock object.
Name | Returns the name of the SignedDataBlock.
Caption | Returns the friendly name of the SignedDataBlock.
SignatureRelation | Returns the relation among multiple signatures on the SignedDataBlock.
Signatures | Returns a collection of the signatures of a SignedDataBlock.
XPathNamespaceDeclarations | Returns the namespace definitions for the SignedDataBlock.
SignatureContainer | Returns the root XML node of the sub-tree that contains the signature(s).

The SignedDataBlock object contains the following method:

Method | Description
--- | ---
Sign | Invokes the Digital Signatures dialog box to add a digital signature to the SignedDataBlock section of the form.

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