GetSubKeyNames Method

RegistryKey.GetSubKeyNames Method ()


Retrieves an array of strings that contains all the subkey names.

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

public string[] GetSubKeyNames()

Return Value

Type: System.String[]

An array of strings that contains the names of the subkeys for the current key.

Exception Condition

The user does not have the permissions required to read from the key.


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


The user does not have the necessary registry rights.


A system error occurred, for example the current key has been deleted.

This method does not recursively find names. It returns the names on the base level from which it was called.

This code example is part of a larger example provided for the RegistryKey class.

// Print the information from the Test9999 subkey.
Console.WriteLine("There are {0} subkeys under {1}.", 
    test9999.SubKeyCount.ToString(), test9999.Name);
foreach(string subKeyName in test9999.GetSubKeyNames())
        tempKey = test9999.OpenSubKey(subKeyName))
        Console.WriteLine("\nThere are {0} values for {1}.", 
            tempKey.ValueCount.ToString(), tempKey.Name);
        foreach(string valueName in tempKey.GetValueNames())
            Console.WriteLine("{0,-8}: {1}", valueName, 

for the ability to read from the registry. Associated enumeration: RegistryPermissionAccess.Read

.NET Framework
Available since 1.1
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