public static void AfterClass()
{
Reader.Dispose();
MultiReader.Dispose();
MultiReaderDupls.Dispose();
Dir.Dispose();
Sdir1.Dispose();
Sdir2.Dispose();
Reader = MultiReader = MultiReaderDupls = null;
Searcher = MultiSearcher = MultiSearcherDupls = null;
Dir = Sdir1 = Sdir2 = null;
}