SolutionXML Element [Visio 2003 SDK Documentation]
Contains solution-specific, well-formed XML data that is prefixed in an explicit namespace and is stored with a document.
<SolutionXML [Name]> </SolutionXML>
Optional string. A unique name to identify the XML data set.
If the SolutionXML element is a child of the VisioDocument element, the Name attribute must be present.
If the SolutionXML element is a child of an element representing a cell in the ShapeSheet (for example, the Value element), the Name attribute is not required.
Include SolutionXML elements in the A, B, C, and D elements only when those elements are contained in a Scratch element. Include SolutionXML elements in the Value element only when that elements is contained in a User or Prop element.