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Directory.GetDirectories Method (String, String)

Gets an array of directories matching the specified search pattern from the current directory.

Namespace:  System.IO
Assembly:  mscorlib (in mscorlib.dll)

public static string[] GetDirectories(
	string path,
	string searchPattern
)

Parameters

path
Type: System.String

The path to search.

searchPattern
Type: System.String

The search string to match against the names of files in path. The parameter cannot end in two periods ("..") or contain two periods ("..") followed by DirectorySeparatorChar or AltDirectorySeparatorChar, nor can it contain any of the characters in InvalidPathChars.

Return Value

Type: System.String[]
A String array of directories matching the search pattern.

ExceptionCondition
UnauthorizedAccessException

The caller does not have the required permission.

ArgumentException

path is a zero-length string, contains only white space, or contains one or more invalid characters as defined by InvalidPathChars.

-or-

searchPattern does not contain a valid pattern.

ArgumentNullException

path or searchPattern is null.

PathTooLongException

The specified path, file name, or both exceed the system-defined maximum length. For example, on Windows-based platforms, paths must be less than 248 characters and file names must be less than 260 characters.

IOException

path is a file name.

DirectoryNotFoundException

The specified path is invalid (for example, it is on an unmapped drive).

The following wildcard specifiers are permitted in searchPattern.

Wildcard character

Description

*

Zero or more characters.

?

Exactly one character.

Characters other than the wildcard specifiers represent themselves. For example, the searchPattern string "*t" searches for all names in path ending with the letter "t". The searchPattern string "s*" searches for all names in path beginning with the letter "s".

If there are no subdirectories, or no subdirectories match the searchPattern parameter, this method returns an empty array.

The path parameter is permitted to specify relative or absolute path information. Relative path information is interpreted as relative to the current working directory. To obtain the current working directory, see GetCurrentDirectory.

The path parameter is not case-sensitive.

For a list of common I/O tasks, see Common I/O Tasks.

The following code example counts the number of directories in a path that begin with the specified letter.

using System;
using System.IO;

class Test 
{
    public static void Main() 
    {
        try 
        {
            // Only get subdirectories that begin with the letter "p."
            string[] dirs = Directory.GetDirectories(@"c:\", "p*");
            Console.WriteLine("The number of directories starting with p is {0}.", dirs.Length);
            foreach (string dir in dirs) 
            {
                Console.WriteLine(dir);
            }
        } 
        catch (Exception e) 
        {
            Console.WriteLine("The process failed: {0}", e.ToString());
        }
    }
}

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

XNA Framework

Supported in: 3.0, 2.0, 1.0

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