import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
public class GridLayoutColumnNumber2 {
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
GridLayout layout = new GridLayout();
layout.numColumns = 2;
shell.setLayout(layout);
new Button(shell, SWT.PUSH).setText("one");
new Button(shell, SWT.PUSH).setText("two");
new Button(shell, SWT.PUSH).setText("three");
new Button(shell, SWT.PUSH).setText("four");
shell.pack();
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
display.dispose();
}
}