Bug 61313 Platform native icons not used in dialogs
N20040506 For example the 'info' icon for operations in progress, the 'error' icon when an exception occurs, and the 'question' icon when asked to confirm a resource deletion. These used to use the native icons on Windows XP but now they look quite different and non-native. This is a fairly recent regression.
bundles/org.eclipse.jface/src/org/eclipse/jface/dialogs/MessageDialog.java
Button button = createButton(parent, i, label,
					defaultButtonIndex == i);
			buttons[i] = button;
		}
	}
	/**
	 * Creates and returns the contents of an area of the dialog which appears
	 * below the message and above the button bar.
	 * <p>
	 * The default implementation of this framework method returns
	 * <code>null</code>. Subclasses may override.
	 * </p>
	 * 
	 * @param parent
	 *            parent composite to contain the custom area
	 * @return the custom area control, or <code>null</code>
	 */
	protected Control createCustomArea(Composite parent) {
		return null;
	}
	/**
	 * This implementation of the <code>Dialog</code> framework method creates
	 * and lays out a composite and calls <code>createMessageArea</code> and
	 * <code>createCustomArea</code> to populate it. Subclasses should
	 * override <code>createCustomArea</code> to add contents below the
	 * message.
	 */
	protected Control createDialogArea(Composite parent) {
		
		createMessageArea(parent);