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RegistryKey.ToString Method

Retrieves a string representation of this key.

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

public override string ToString()

Return Value

Type: System.String
A string representing the key. If the specified key is invalid (cannot be found) then null is returned.

ExceptionCondition
ObjectDisposedException

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

The return value includes the registry path of the specified key and the hexadecimal value for the key. The registry path includes the absolute root of the specified key, always starts at one of the base keys for the registry, for example, HKEY_LOCAL_MACHINE.

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

// Delete or close the new subkey.
Console.Write("\nDelete newly created registry key? (Y/N) ");
if(Char.ToUpper(Convert.ToChar(Console.Read())) == 'Y')
{
    Registry.CurrentUser.DeleteSubKeyTree("Test9999");
    Console.WriteLine("\nRegistry key {0} deleted.", 
        test9999.Name);
}
else
{
    Console.WriteLine("\nRegistry key {0} closed.", 
        test9999.ToString());
    test9999.Close();
}

.NET Framework

Supported in: 4.6, 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.

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