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RegistryKey.FromHandle Method (SafeRegistryHandle, RegistryView)

Creates a registry key from a specified handle and registry view setting.

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

[SecurityPermissionAttribute(SecurityAction.Demand, Flags = SecurityPermissionFlag.UnmanagedCode)]
public static RegistryKey FromHandle(
	SafeRegistryHandle handle,
	RegistryView view


Type: Microsoft.Win32.SafeHandles.SafeRegistryHandle
The handle to the registry key.
Type: Microsoft.Win32.RegistryView
The registry view to use.

Return Value

Type: Microsoft.Win32.RegistryKey
A registry key.


view is invalid.


handle is null.


The user does not have the necessary registry rights.


The user does not have the permissions required to perform this action.

The view parameter for this method is used in subsequent operations, such as opening subkeys.

If view is Registry64 but the machine is running a 32-bit operating system, the returned key will use the Registry32 view.

.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.