Chapter 2 – Creating Views with SWT
Understanding views
1. In the Eclipse 3.x model, views must be subclasses of ViewPart. In the Eclipse 4.x model, parts do not need to have an explicit superclass.
2. In the Eclipse 3.x model, views are registered via an org.eclipse.ui.views extension point in the plugin.xml.
3. The two arguments that most SWT objects have are a Composite parent and an integer flags field.
4. When a widget is disposed, it will have its native resources released to the operating system. Any subsequent actions will throw an SWTException with a Widget is disposed message.
5. The Canvas has many drawing operations; to draw a circle, use drawArc(), and specify a full orbit.
6. To receive drawing events, a PaintListener must be created and ...
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