ISOAPNamespaces::GetURIForPrefix Method

HRESULT GetURIForPrefix([in] BSTR prefix, [out, retval] BSTR * NamespaceURI);

Given a particular namespace prefix, return the namespace URI currently associated with it.

prefix: BSTR, [in]: The prefix to look for
NamespaceURI: BSTR *, [out, retval]: The namespace URI current associated with that prefix

The namespace URI is returned if the prefix is found, otherwise the error E_INVALIDARG is returned.