Вынесение кода в отдельную функцию

private void Form_Load(object sender, EventArgs e)
{
 dirWhite = FSDirectory.Open (@"C:\White");
 dirSimple = FSDirectory.Open (@"C:\Simple");
 dirStandart = FSDirectory.Open (@"C:\Standart");
 dirSnow = FSDirectory.Open (@"C:\Snow");
 White = new WhitespaceAnalyzer();
 Standart = new StandardAnalyzer(LUCENE_30);
 Simple = new SimpleAnalyzer();
 Snow = new SnowballAnalyzer(LUCENE_30, "Russian");
Indexing(White, dirWhite,
public void indexingStandart()
{
 writer = new IndexWriter(dirStandart, Standart, IndexWriter.MaxFieldLength.UNLIMITED);
 string[] files = System.IO.Directory.GetFiles (folderBrowserDialog.SelectedPath);
 foreach (String file in files)
  {
   string text = System.IO.File.ReadAllText(file);
   Document doc = new Document();
   string name = System.IO.Path.GetFileName(file);
   doc.Add(new Field("name", name, Field.Store.YES, Field.Index.NOT_ANALYZED));
   doc.Add(new Field("text", text, Field.Store.NO, Field.Index.ANALYZED));
   writer.AddDocument(doc);}
writer.Optimize();
writer.Dispose();
}
public void indexingSimple()
{
 writer = new IndexWriter(dirSimple, Simple, IndexWriter.MaxFieldLength.UNLIMITED);
 string[] files = System.IO.Directory.GetFiles (folderBrowserDialog.SelectedPath);
 foreach (String file in files)
 {
  string text = System.IO.File.ReadAllText(file);
  Document doc = new Document();
  string name = System.IO.Path.GetFileName(file);
  doc.Add(new Field("name", name, Field.Store.YES, Field.Index.NOT_ANALYZED));
  doc.Add(new Field("text", text, Field.Store.NO, Field.Index.ANALYZED));
  writer.AddDocument(doc);
 }
 writer.Optimize();
 writer.Dispose();
}

public void myFunction(dynamic dir1, dynamic dir2, MaxFieldLength indexWr)
{
 writer = new IndexWriter(dir1, dir2, indexWr);
 string[] files = System.IO.Directory.GetFiles (folderBrowserDialog.SelectedPath);
 foreach (String file in files)
  {
   string text = System.IO.File.ReadAllText(file);
   Document doc = new Document();
   string name = System.IO.Path.GetFileName(file);
   doc.Add(new Field("name", name, Field.Store.YES, Field.Index.NOT_ANALYZED));
   doc.Add(new Field("text", text, Field.Store.NO, Field.Index.ANALYZED));
   writer.AddDocument(doc);}
writer.Optimize();
writer.Dispose();
}
 
//вызов соответственно
myFunction(dirStandart, Standart, IndexWriter.MaxFieldLength.UNLIMITED);
myFunction(dirSimple, Simple, IndexWriter.MaxFieldLength.UNLIMITED);