Question

Group group = new Group(parent, SWT.NONE); StyledText comment = new StyledText(group, SWT.BORDER_DASH); 

This creates a group with a text area inside.

How can I later delete the text (remove it from the screen so that I can replace it with something else)?

Answer 1

Use Widget.dispose.

public class DisposeDemo {   private static void addControls(final Shell shell) {     shell.setLayout(new GridLayout());     Button button = new Button(shell, SWT.PUSH);     button.setText('Click to remove all controls from shell');     button.addSelectionListener(new SelectionListener() {       @Override public void widgetDefaultSelected(SelectionEvent event) {}       @Override public void widgetSelected(SelectionEvent event) {         for (Control kid : shell.getChildren()) {           kid.dispose();         }       }     });     for (int i = 0; i < 5; i++) {       Label label = new Label(shell, SWT.NONE);       label.setText('Hello, World!');     }     shell.pack();   }    public static void main(String[] args) {     Display display = new Display();     Shell shell = new Shell(display);     addControls(shell);     shell.open();     while (!shell.isDisposed()) {       if (!display.readAndDispatch()) {         display.sleep();       }     }     display.dispose();   } }