... ownFigure 4- 8. The global coordinate system maps the screen to a two-dimensional graphx-axisy-axis(0.0, 0.0) (100.0, 0.0)(150.0, 50.0)(0.0, 100.0)118 Chapter 4: Windows, Views, and MessagesTo ... could result in a window and view hierarchy like thoseshown in Figure 4- 4.When a view is added to a window, there is no visible sign that theview exists. So in Figure 4- 4, the window’s views—including ... MyHelloWin-dow.h header file, you’ll find the addition of a MyDrawView data member namedfMyDrawView:98 Chapter 4 In this chapter: • Windows• Views• Messaging 4 Windows, Views, and Messages 4. A...