Recursively Read Directories

recursive_read_directory.cs

private static void Directories(string strFolderPath, string fType)
{
	DirectoryInfo info = new DirectoryInfo(strFolderPath);
	ArrayList fileList = new ArrayList();
	SubDirectories(fType, ref fileList, info.FullName, "");
	return fileList;
}
private static void SubDirectories(string fType, ref ArrayList fileList, string location, string tab)
{
	DirectoryInfo subDir = new DirectoryInfo(location);
	DirectoryInfo[] dirs = subDir.GetDirectories();
	if (dirs.Length == 0)
	{
		//Console.WriteLine(tab + " @@@@@@@ " + location);
		ShowFiles(fType, ref fileList, location);
		return;
	}
	else
	{
		//Console.WriteLine(tab + " #### " + location);
		ShowFiles(fType, ref fileList, location);
		foreach (DirectoryInfo subSingleDir in dirs)
		{
			SubDirectories(fType, ref fileList, subSingleDir.FullName, tab + "\t");
		}
	}
}
private static void ShowFiles(string fType, ref ArrayList fileList, string location)
{
	DirectoryInfo dirFiles = new DirectoryInfo(location);
	FileInfo[] files ;
	if(fType!=null && fType.Length > 0)
		files = dirFiles.GetFiles(fType);
	else files = dirFiles.GetFiles();

	foreach (FileInfo file in files)
	{
		Console.WriteLine(file.FullName);
		fileList.Add(file.FullName);
	}
}