分割窗（SashForm类）实例如下：
/*
* SashForm example snippet: create a sash form with three children
*
* For a list of all SWT example snippets see
* http://dev.eclipse.org/viewcvs/index.cgi/%7Echeckout%7E/platform-swt-home/dev.html#snippets
*/
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.SashForm;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
public class Snippet109 {
public static void main(String[] args) {
final Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
SashForm form = new SashForm(shell, SWT.HORIZONTAL);
form.setLayout(new FillLayout());
Composite child1 = new Composite(form, SWT.NONE);
child1.setLayout(new FillLayout());
new Label(child1, SWT.NONE).setText("Label in pane 1");
Composite child2 = new Composite(form, SWT.NONE);
child2.setLayout(new FillLayout());
new Button(child2, SWT.PUSH).setText("Button in pane2");
Composite child3 = new Composite(form, SWT.NONE);
child3.setLayout(new FillLayout());
new Label(child3, SWT.PUSH).setText("Label in pane3");
form.setWeights(new int[] { 30, 40, 30 });
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}