Export (0) Print
Expand All

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 void DeleteSubKey(
	string subkey,
	bool throwOnMissingSubKey


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 null.


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: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

© 2014 Microsoft