Bug 184602 [Progress] "Widget is disposed" when setting builders twice during build
bundles/org.eclipse.jface/src/org/eclipse/jface/dialogs/ProgressMonitorDialog.java
}
	/**
	 * The cancel button has been pressed.
	 * 
	 * @since 3.0
	 */
	protected void cancelPressed() {
		
		
		
		
		cancel.setEnabled(false);
		progressMonitor.setCanceled(true);
		super.cancelPressed();
	}
	/*
	 * (non-Javadoc) Method declared on Window.
	 */
	/**
	 * The <code>ProgressMonitorDialog</code> implementation of this method
	 * only closes the dialog if there are no currently running runnables.
	 */
	public boolean close() {
		if (getNestingDepth() <= 0) {
			clearCursors();
			return super.close();
		}
		return false;
	}
	/**