This documentation is archived and is not being maintained.

RegistryKey.DeleteSubKeyTree Method (String, Boolean)

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

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

public void DeleteSubKeyTree(
	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.


An attempt was made to delete the root hive of the tree.


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


subkey is null.


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


The user does not have the necessary registry rights.


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

.NET Framework

Supported in: 4

.NET Framework Client Profile

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, 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.