Rational Rhapsody 7.5.2 includes many improvements to the graphical editors to help automate drawing tasks and make it easier to manage the diagrams in several ways.
GC (graphical context that enables drawing of the UI (also no graphical editors)).
GC(能够画出ui的图形上下文(也没有图形编辑器))。
3
Like controls, data objects on the screen, particularly graphical objects in drawing and modeling programs, can be manipulated by clicking and dragging.