C# Directory EnumerateDirectories(String, String, SearchOption)

Description

Directory EnumerateDirectories(String, String, SearchOption) Returns an enumerable collection of directory names that match a search pattern in a specified path, and optionally searches subdirectories.

Syntax

Directory.EnumerateDirectories(String, String, SearchOption) has the following syntax.

public static IEnumerable<string> EnumerateDirectories(
  string path,//from   w  w w .ja  va 2s  .  c  o m
  string searchPattern,
  SearchOption searchOption
)

Parameters

Directory.EnumerateDirectories(String, String, SearchOption) has the following parameters.

• path - The directory to search.
• searchPattern - The search string to match against the names of directories in path.
• searchOption - One of the enumeration values that specifies whether the search operation should include only the current directory or should include all subdirectories.
• searchOption - The default value is TopDirectoryOnly.

Returns

Directory.EnumerateDirectories(String, String, SearchOption) method returns <

Example

The following example enumerates directories in a specified path that match a specified search pattern. It uses the SearchOption parameter to specify that all subdirectories should be included in the search.

using System;//from  ww w .  j  a v a  2s . c o m
using System.Collections.Generic;
using System.IO;
using System.Linq;

class Program
{
    private static void Main(string[] args)
    {
      string dirPath = @"\\archives\";
      var dirs = from dir in 
               Directory.EnumerateDirectories(dirPath, "*",
                 SearchOption.AllDirectories)
                 select dir;

      foreach (var dir in dirs)
      {
          Console.WriteLine("{0}", 
              dir.Substring(dir.LastIndexOf("\\") + 1));

      }
      // Optionally create a List collection.
      List<string> workDirs = new List<string>(dirs);
    }
}