folder.delete(true, false, new SubProgressMonitor(pm, 1));
folder.delete(false, true, new SubProgressMonitor(pm, 1));
	protected void doDelete(IProgressMonitor pm) throws CoreException{		IFolder folder= getFolder(fPath);		Assert.isNotNull(folder);		Assert.isTrue(folder.exists());		folder.delete(true, false, new SubProgressMonitor(pm, 1));	}