GetChildNodes ( [in] BSTR strParentType, [in] BSTR strParentUniqueID, [out,retval] BSTR *strNodes )
This function is called when the plugin must provide XML information to the Composite Treeview system
Inputs:
strParentType - The node
identifier of the parent to the XML
that is being rendered
strParentUniqueID - The Unique id of the parent to the
XML node being rendered
Return value
The XML formatted string