This routine is called when an object needs to be created from scratch. The user has dropped
a TS node on the tree and we need to create the appropriate model element and presentation elements and
tie them together. After all that is done look at the initialization string and create the correct engine.
Parameters: pNamespace - [in] The namespace to add the new item to Parameters: sInitializationString - [in] The init string used to create this node Parameters: pCreatedPresentationElement - [out] The presentatation element created if all goes well. Parameters: pCreatedElement - [out] The model element created if all goes well.
Creates a new IPresentationElement
Parameters: pElement - Not used Parameters: pElem - [out,retval] Creates the appropriate IPresentationElement for this node (right now it'salways an INodePresentation.)