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import org.eclipse.swt.SWT;
import org.eclipse.swt.events.PaintEvent;
import org.eclipse.swt.events.PaintListener;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Canvas;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
public class MainClass {
public static void main(String[] a) {
final Display d = new Display();
final Shell shell = new Shell(d);
shell.setSize(250, 200);
shell.setLayout(new FillLayout());
// Create a canvas
Canvas canvas = new Canvas(shell, SWT.NONE);
canvas.addPaintListener(new PaintListener() {
public void paintControl(PaintEvent e) {
e.gc.drawRoundRectangle(10, 10, 200, 200, 30, 60);
}
});
shell.open();
while (!shell.isDisposed()) {
if (!d.readAndDispatch())
d.sleep();
}
d.dispose();
}
}
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