This documentation is archived and is not being maintained.

RegistryKey.DeleteSubKey Method (String, Boolean)

Deletes the specified subkey, and specifies whether an exception is raised if the subkey is not found.

Namespace:  Microsoft.Win32
Assembly:  mscorlib (in mscorlib.dll)

Public Sub DeleteSubKey ( _
	subkey As String, _
	throwOnMissingSubKey As Boolean _


Type: System.String
The name of the subkey to delete. This string is not case-sensitive.
Type: System.Boolean
Indicates whether an exception should be raised if the specified subkey cannot be found. If this argument is true and the specified subkey does not exist, an exception is raised. If this argument is false and the specified subkey does not exist, no action is taken.


subkey has child subkeys.


subkey does not specify a valid registry key, and throwOnMissingSubKey is true.


subkey is Nothing.


The user does not have the permissions required to delete the key.


The RegistryKey being manipulated is closed (closed keys cannot be accessed).


The user does not have the necessary registry rights.

To delete child subkeys, use DeleteSubKeyTree.

Use caution when deleting registry keys.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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