Comments
Graph.OnChangeData renamed to DoChangeData, as here the Data is changed | GraphChangeType renamed to GraphEventType
ThingGraphs, VisualGraph: implement DoChangeData to ensurce items are changed and written
cleanups and minor refactorings
NumberThing: implemented IThing.Data to take int and string
Swf.DragDropConverter: don't serialize values, as they maybe are not serializiable
WiredDisplays: try to fix errors if more than 2 displays
SceneMesh: introduced to replace WiredDisplays to support more than 2 displays and better handling of dependencies
VisualSceneLayout: check if shape is null