Represents the Uniform Resource Identifier (URI) for the license transform algorithm used to normalize XrML licenses for signatures.
The value of the SignedXml.XmlLicenseTransformUrl field is "urn:mpeg:mpeg21:2003:01-REL-R-NS:licenseTransform"
Use this field to conveniently supply a value to one of the URI attributes of an element used for XMLDSIG.
The System.Security.Cryptography.Xml.XmlLicenseTransform class implements the transform described by the SignedXml.XmlLicenseTransformUrl field.