Directory.CreateDirectory Method (System.IO) (2024)

Source:

Directory.cs

Source:

Directory.cs

Source:

Directory.cs

public: static System::IO::DirectoryInfo ^ CreateDirectory(System::String ^ path);

public static System.IO.DirectoryInfo CreateDirectory (string path);

static member CreateDirectory : string -> System.IO.DirectoryInfo

Public Shared Function CreateDirectory (path As String) As DirectoryInfo

Parameters

Returns

An object that represents the directory at the specified path. This object is returned regardless of whether a directory at the specified path already exists.

Exceptions

Examples

The following example creates and deletes the specified directory:

using namespace System;using namespace System::IO;int main(){ // Specify the directory you want to manipulate. String^ path = "c:\\MyDir"; try { // Determine whether the directory exists. if ( Directory::Exists( path ) ) { Console::WriteLine( "That path exists already." ); return 0; } // Try to create the directory. DirectoryInfo^ di = Directory::CreateDirectory( path ); Console::WriteLine( "The directory was created successfully at {0}.", Directory::GetCreationTime( path ) ); // Delete the directory. di->Delete(); Console::WriteLine( "The directory was deleted successfully." ); } catch ( Exception^ e ) { Console::WriteLine( "The process failed: {0}", e ); }}

using System;using System.IO;class Test{ public static void Main() { // Specify the directory you want to manipulate. string path = @"c:\MyDir"; try { // Determine whether the directory exists. if (Directory.Exists(path)) { Console.WriteLine("That path exists already."); return; } // Try to create the directory. DirectoryInfo di = Directory.CreateDirectory(path); Console.WriteLine("The directory was created successfully at {0}.", Directory.GetCreationTime(path)); // Delete the directory. di.Delete(); Console.WriteLine("The directory was deleted successfully."); } catch (Exception e) { Console.WriteLine("The process failed: {0}", e.ToString()); } finally {} }}

open System.IO// Specify the directory you want to manipulate.let path = @"c:\MyDir"try // Determine whether the directory exists. if Directory.Exists path then printfn "That path exists already." else // Try to create the directory. let di = Directory.CreateDirectory path printfn $"The directory was created successfully at {Directory.GetCreationTime path}." // Delete the directory. di.Delete() printfn "The directory was deleted successfully."with e -> printfn $"The process failed: {e}"

Imports System.IOPublic Class Test Public Shared Sub Main() ' Specify the directory you want to manipulate. Dim path As String = "c:\MyDir" Try ' Determine whether the directory exists. If Directory.Exists(path) Then Console.WriteLine("That path exists already.") Return End If ' Try to create the directory. Dim di As DirectoryInfo = Directory.CreateDirectory(path) Console.WriteLine("The directory was created successfully at {0}.", Directory.GetCreationTime(path)) ' Delete the directory. di.Delete() Console.WriteLine("The directory was deleted successfully.") Catch e As Exception Console.WriteLine("The process failed: {0}.", e.ToString()) End Try End SubEnd Class

To create the directory C:\Users\User1\Public\Html when the current directory is C:\Users\User1, use any of the following calls to ensure that the backslash is interpreted properly:

Directory.CreateDirectory("Public\Html")Directory.CreateDirectory("\Users\User1\Public\Html")Directory.CreateDirectory("c:\Users\User1\Public\Html")

Directory.CreateDirectory("Public\\Html");Directory.CreateDirectory("\\Users\\User1\\Public\\Html");Directory.CreateDirectory("c:\\Users\\User1\\Public\\Html");

Directory::CreateDirectory("Public\\Html");Directory::CreateDirectory("\\Users\\User1\\Public\\Html");Directory::CreateDirectory("c:\\Users\\User1\\Public\\Html");

Remarks

Any and all directories specified in path are created, unless they already exist or unless some part of path is invalid. If the directory already exists, this method does not create a new directory, but it returns a DirectoryInfo object for the existing directory.

The path parameter specifies a directory path, not a file path.

Trailing spaces are removed from the end of the path parameter before creating the directory.

You can create a directory on a remote computer, on a share that you have write access to. UNC paths are supported; for example, you can specify the following for path: \\2009\Archives\December in Visual Basic, and \\\\2009\\Archives\\December in C#.

Creating a directory with only the colon character (:) is not supported, and will cause a NotSupportedException to be thrown.

On Unix systems, use a forward slash (/) as path separator.

See also

• DirectoryInfo
• File and Stream I/O
• How to: Read Text from a File
• How to: Write Text to a File

Source:

Directory.cs

Source:

Directory.cs

Source:

Directory.cs

public: static System::IO::DirectoryInfo ^ CreateDirectory(System::String ^ path, System::IO::UnixFileMode unixCreateMode);

[System.Runtime.Versioning.UnsupportedOSPlatform("windows")]public static System.IO.DirectoryInfo CreateDirectory (string path, System.IO.UnixFileMode unixCreateMode);

[<System.Runtime.Versioning.UnsupportedOSPlatform("windows")>]static member CreateDirectory : string * System.IO.UnixFileMode -> System.IO.DirectoryInfo

Public Shared Function CreateDirectory (path As String, unixCreateMode As UnixFileMode) As DirectoryInfo

Parameters

Returns

An object that represents the directory at the specified path. This object is returned regardless of whether a directory at the specified path already exists.

Attributes

UnsupportedOSPlatformAttribute

Exceptions

public: static System::IO::DirectoryInfo ^ CreateDirectory(System::String ^ path, System::Security::AccessControl::DirectorySecurity ^ directorySecurity);

public static System.IO.DirectoryInfo CreateDirectory (string path, System.Security.AccessControl.DirectorySecurity directorySecurity);

static member CreateDirectory : string * System.Security.AccessControl.DirectorySecurity -> System.IO.DirectoryInfo

Public Shared Function CreateDirectory (path As String, directorySecurity As DirectorySecurity) As DirectoryInfo

Parameters

Returns

An object that represents the directory at the specified path. This object is returned regardless of whether a directory at the specified path already exists.

Exceptions

Examples

The following example creates a new directory with access rules for two user accounts.

using System;using System.IO;using System.Security.AccessControl;namespace ConsoleApplication{ class Program { static void Main(string[] args) { DirectorySecurity securityRules = new DirectorySecurity(); securityRules.AddAccessRule(new FileSystemAccessRule(@"Domain\account1", FileSystemRights.Read, AccessControlType.Allow)); securityRules.AddAccessRule(new FileSystemAccessRule(@"Domain\account2", FileSystemRights.FullControl, AccessControlType.Allow)); DirectoryInfo di = Directory.CreateDirectory(@"C:\destination\NewDirectory", securityRules); } }}

open System.IOopen System.Security.AccessControllet securityRules = DirectorySecurity()securityRules.AddAccessRule(FileSystemAccessRule(@"Domain\account1", FileSystemRights.Read, AccessControlType.Allow))securityRules.AddAccessRule(FileSystemAccessRule(@"Domain\account2", FileSystemRights.FullControl, AccessControlType.Allow))let di = Directory.CreateDirectory(@"C:\destination\NewDirectory", securityRules)

Imports System.IOImports System.Security.AccessControlModule Module1 Sub Main() Dim securityRules As DirectorySecurity = New DirectorySecurity() securityRules.AddAccessRule(New FileSystemAccessRule("Domain\account1", FileSystemRights.Read, AccessControlType.Allow)) securityRules.AddAccessRule(New FileSystemAccessRule("Domain\account2", FileSystemRights.FullControl, AccessControlType.Allow)) Dim di As DirectoryInfo = Directory.CreateDirectory("C:\destination\NewDirectory", securityRules) End SubEnd Module

Remarks

Use this method overload to create a directory with access control, so there is no chance the directory can be accessed before security is applied.

Any and all directories specified in the path parameter are created, unless they already exist or unless some part of path is invalid. The path parameter specifies a directory path, not a file path. If the directory already exists, this method does not create a new directory, but it returns a DirectoryInfo object for the existing directory.

Trailing spaces are removed from the end of the path parameter before creating the directory.

You can create a directory on a remote computer, on a share that you have write access to. UNC paths are supported; for example, you can specify the following for path: \\2009\Archives\December in Visual Basic, and \\\\2009\\Archives\\December in C#.

Creating a directory with only the colon character (:) is not supported and causes a NotSupportedException to be thrown.