Dialog show fix
Dialog show fix

Dialog.show will throw a NullReferenceException when it gets to Window.keepWithinStage - it goes there because it gets moved to the center of the stage, but at that point there's no stage for keepWithinStage to use.
prime31/Nez,prime31/Nez,prime31/Nez,eumario/Nez,Blucky87/Nez,ericmbernier/Nez