Bug 219874 Exploit Vista progress bars
We should exploit the Vista coloured progress bars
bundles/org.eclipse.jface/src/org/eclipse/jface/dialogs/ProgressMonitorDialog.java
/**
	 * Sets whether the dialog should be opened before the operation is run.
	 * NOTE: Setting this to false and not forking a process may starve any
	 * asyncExec that tries to open the dialog later.
	 * 
	 * @param openOnRun
	 *            <code>true</code> to open the dialog before run,
	 *            <code>false</code> to only create the dialog, but not open
	 *            it
	 * @since 3.0
	 */
	public void setOpenOnRun(boolean openOnRun) {
		this.openOnRun = openOnRun;
	}
	/**
	 * Returns the nesting depth of running operations.
	 * 
	 * @return the nesting depth of running operations
	 * @since 3.0
	 */
	protected int getNestingDepth() {
		return nestingDepth;
	}
	/**
	 * Increments the nesting depth of running operations.
	 * 
	 * @since 3.0
	 */
	protected void incrementNestingDepth() {
		nestingDepth++;