Bug 18229 Walkback when closing ImageAnalyzer
Build 20020527 Win2k 1. Open the ImageAnalyzer SWT example. 2. Load an animated gif. 3. Hit 'animate' 4. Close the window. 5. Walkback
examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/imageanalyzer/ImageAnalyzer.java
horizontal.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent event) {
				scrollHorizontally((ScrollBar)event.widget);
			}
		});
		ScrollBar vertical = imageCanvas.getVerticalBar();
		vertical.setVisible(true);
		vertical.setMinimum(0);
		vertical.setEnabled(false);
		vertical.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent event) {
				scrollVertically((ScrollBar)event.widget);
			}
		});
		
		sizeLabel = new Label(shell, SWT.NULL);
		sizeLabel.setText(bundle.getString("Size_initial"));
		sizeLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
		
		depthLabel = new Label(shell, SWT.NULL);
		depthLabel.setText(bundle.getString("Depth_initial"));
		depthLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
		
		transparentPixelLabel = new Label(shell, SWT.NULL);
		transparentPixelLabel.setText(bundle.getString("Transparent_pixel_initial"));
		transparentPixelLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
		
		timeToLoadLabel = new Label(shell, SWT.NULL);
		timeToLoadLabel.setText(bundle.getString("Time_to_load_initial"));
		timeToLoadLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));