Getting Controls on a shell : Shell « SWT « Java Tutorial

1. Java Tutorial
2. SWT
3. Shell

import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

public class ShellControlsGetting {
  public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    
    for (int i = 0; i < 20; i++) {
      Button button = new Button(shell, SWT.TOGGLE);
      button.setText("B" + i);
    }
    Control[] children = shell.getChildren();
    for (int i = 0; i < children.length; i++) {
      Control child = children[i];
      System.out.println(child);
    }

    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}

17.4.Shell
	17.4.1.	Understanding the Shell Object
	17.4.2.	Creating Shells
	17.4.3.	Open a shell minimized (iconified)
	17.4.4.	Open a shell maximized (full screen)
	17.4.5.	Center a shell on the primary monitor
	17.4.6.	Set icons with different resolutions
	17.4.7.	Create a non-rectangular window
	17.4.8.	Create a non-rectangular shell to simulate transparency
	17.4.9.	Create non-rectangular shell from an image with transparency
	17.4.10.	Allow escape to close a shell
	17.4.11.	Prevent a shell from closing (prompt the user)
	17.4.12.	Create GC from Shell and paint on window
	17.4.13.	Getting Controls on a shell
	17.4.14.	Set default Button for Shell
	17.4.15.	Get Default Button
	17.4.16.	Shell with SWT.SHELL_TRIM|SWT.TOOL style
	17.4.17.	Ring Shell
	17.4.18.	Set left upper corner image
	17.4.19.	Shell without Title bar
	17.4.20.	ON_TOP: This style bit causes the shell to always float on the top of the desktop.
	17.4.21.	SHELL_TRIM = (CLOSE | TITLE | MIN | MAX | RESIZE): top-level shells.
	17.4.22.	DIALOG_TRIM = (CLOSE | TITLE | BORDER): dialog shells.
	17.4.23.	The modal state of shells: APPLICATION_MODAL, MODELESS, PRIMARY_MODAL, SYSTEM_MODAL
	17.4.24.	TOOL: the shell is a tool window(floating toolbars)
	17.4.25.	Shell States
	17.4.26.	Setting the Title