The default value for each of the margins is 3.
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.RowLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.List;
import org.eclipse.swt.widgets.Shell;
public class RowLayoutMargin {
public static void main(String[] args) {
Display display = new Display();
final Shell shell = new Shell(display);
RowLayout rowLayout = new RowLayout();
rowLayout.marginLeft=20;
rowLayout.marginRight=20;
rowLayout.marginTop=20;
rowLayout.marginBottom=20;
shell.setLayout(rowLayout);
Button button1 = new Button(shell, SWT.PUSH);
button1.setText("button1");
List list = new List(shell, SWT.BORDER);
list.add("item 1");
list.add("item 2");
list.add("item 3");
Button button2 = new Button(shell, SWT.PUSH);
button2.setText("button #2");
shell.setSize(450, 100);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
display.dispose();
}
}