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RegistryKey.DeleteValue Method (String)

Deletes the specified value from this key.

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

public void DeleteValue(
	string name
)

Parameters

name
Type: System.String

The name of the value to delete.

ExceptionCondition
ArgumentException

name is not a valid reference to a value.

SecurityException

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

ObjectDisposedException

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

UnauthorizedAccessException

The RegistryKey being manipulated is read-only.

On Windows 95, Windows 98, Windows 98 Second Edition, and Windows Millennium Edition, specifying an empty string for the name parameter does not delete the default value.

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

using(RegistryKey 
    testSettings = test9999.OpenSubKey("TestSettings", true))
{
    // Delete the ID value.
    testSettings.DeleteValue("id");

    // Verify the deletion.
    Console.WriteLine((string)testSettings.GetValue(
        "id", "ID not found."));
}

.NET Framework

Supported in: 4.5.2, 4.5.1, 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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