Java Code:
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

public class Snippet26 {

  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    Combo combo = new Combo(shell, SWT.READ_ONLY);
    combo.setItems(new String[] { "A", "B", "C" });
    combo.setSize(200, 200);
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }

}