Class architecture

TArea derives from MGraphic and inherits the MGraphic functionality described in Chapter 3. A TArea owns a TGArea, and the TGArea owns one or more 2-D areaenclosing geometry classes. The area-enclosing geometry classes are combined through Boolean operations to create the arbitrary shape. You can use the TGArea directly, or you can create a TArea instance from the TGArea if you want MGraphic functionality. Area class relationships are shown in Figure 61.

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