Setting Button selection : Button « SWT « Java Tutorial

1. Java Tutorial
2. SWT
3. Button

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 ButtonSelection {
  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];
      ((Button) child).setSelection(true);
    }

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

17.9.Button
	17.9.1.	Introducing Button and Button Styles
	17.9.2.	Push Button
	17.9.3.	CheckBox Button
	17.9.4.	Toggle Button
	17.9.5.	RadioButton
	17.9.6.	FlatButton
	17.9.7.	ArrowButton
	17.9.8.	Add Radio Buttons to a Group
	17.9.9.	Select a Radio Button
	17.9.10.	Setting Button selection
	17.9.11.	Add Image to Button
	17.9.12.	Add Radio Buttons to a Composite to form a group
	17.9.13.	LEFT, RIGHT, CENTER: These three styles specify the text/image alignment in buttons.
	17.9.14.	To get and set a button's text label
	17.9.15.	You can include the mnemonic character in the text label.
	17.9.16.	To escape the mnemonic character &, you can double it and a single '&' will be displayed.
	17.9.17.	Set the alignment of the text/image label of a button