Bug 51837 [Progress] Bad message in progress dialog
I20040210 I got a bogus message when running a pile of jobs. A progress dialog appeared that read: "The operation cannot proceed because it is blocked by a background" A background what? :)
bundles/org.eclipse.jface/src/org/eclipse/jface/dialogs/Dialog.java
* @since 2.0
	 * @deprecated Use <code>getButton(IDialogConstants.CANCEL_ID)</code> instead.
	 * 		This method will be removed soon.
	 */
	protected Button getCancelButton() {
		return getButton(IDialogConstants.CANCEL_ID);
	}
	/**
	 * Returns the dialog area control.
	 * <p>
	 * Clients may call this framework method, but should not override it.
	 * </p>
	 *
	 * @return the dialog area, or <code>null</code> if
	 *   the dialog area has not been created yet
	 */
	protected Control getDialogArea() {
		return dialogArea;
	}
	/**
	 * Returns the standard dialog image with the given key.
	 * Note that these images are managed by the dialog framework, 
	 * and must not be disposed by another party.
	 *
	 * @param key one of the <code>Dialog.DLG_IMG_* </code> constants
	 * @return the standard dialog image
	 */
	public static Image getImage(String key) {
		return JFaceResources.getImageRegistry().get(key);
	}