IOpcSignatureRelationshipReference::GetTransformMethod method (msopc.h)

Article
02/22/2024

Gets the canonicalization method to use on the relationship markup of the selected relationships when they are signed.

Syntax

HRESULT GetTransformMethod(
  [out, retval] OPC_CANONICALIZATION_METHOD *transformMethod
);

Parameters

[out, retval] transformMethod

The canonicalization method to use on the relationship markup of the selected relationships when they are signed.

Return value

The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.

Return code	Description
S_OK	The method succeeded.
E_POINTER	The transformMethod parameter is NULL.

Remarks

All or a subset of the relationships in a referenced Relationships part can be signed.

If a subset of is selected and the signature is generated by calling the IOpcDigitalSignatureManager::Sign method, the transform methods that are applied to relationship markup are the relationships transform followed by the OPC_CANONICALIZATION_C14N canonicalization method.

Thread Safety

Packaging objects are not thread-safe.

For more information, see the Getting Started with the Packaging API.

Requirements

Requirement	Value
Minimum supported client	Windows 7 [desktop apps only]
Minimum supported server	Windows Server 2008 R2 [desktop apps only]
Target Platform	Windows
Header	msopc.h