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Setting Minimum Size for a Child Control

import org.eclipse.swt.SWT; import org.eclipse.swt.custom.ScrolledComposite; 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.Shell; public class ScrolledCompositeMiniSize {   public static void main(String[] args) {     Display display = new Display();     Shell shell = new Shell(display);     shell.setText("SashForm Test");     shell.setLayout(new FillLayout());     // Create the ScrolledComposite to scroll horizontally and vertically     ScrolledComposite sc = new ScrolledComposite(shell, SWT.H_SCROLL | SWT.V_SCROLL);     Composite child = new Composite(sc, SWT.NONE);     child.setLayout(new FillLayout());     new Button(child, SWT.PUSH).setText("One");     new Button(child, SWT.PUSH).setText("Two");     sc.setMinSize(400, 400);     // Expand both horizontally and vertically     sc.setExpandHorizontal(true);     sc.setExpandVertical(true);     sc.setContent(child);     shell.open();     while (!shell.isDisposed()) {       if (!display.readAndDispatch()) {         display.sleep();       }     }     display.dispose();   } }