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In Chapter 32, you learned that, for Smalltalk Express, the createViews
method, defined for a view manager, is used, when you start an application,
to define the characteristics of the user interface.
In VisualWorks, the characteristics of the user interface are established
by a windowSpec method defined for the application model. In
contrast to the createViews method, which sends many messages, the
windowSpec method sends no messages: instead, windowSpec
answers a complex array that defines the characteristics of the user
interface.
Although you learned that you can construct definitions of
createViews by hand, you would find it impracticable to construct
definitions of windowSpec by hand. You must construct the
windowSpec method for an application by using
VisualWorks GUI builder.